Merge branch 'ObjectGuid' of https://github.com/TrinityCore/TrinityCore

Conflicts:
	src/server/game/Entities/Player/Player.cpp
	src/server/game/Entities/Player/Player.h
	src/server/game/Scripting/MapScripts.cpp
	src/server/scripts/Northrend/Naxxramas/instance_naxxramas.cpp
	src/server/scripts/Northrend/Nexus/EyeOfEternity/instance_eye_of_eternity.cpp
	src/server/scripts/Northrend/Nexus/Nexus/boss_anomalus.cpp
	src/server/scripts/Northrend/Nexus/Nexus/boss_magus_telestra.cpp
	src/server/scripts/Northrend/Nexus/Oculus/boss_varos.cpp
	src/server/scripts/Northrend/Ulduar/HallsOfStone/halls_of_stone.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_auriaya.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_freya.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_hodir.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_ignis.cpp
	src/server/scripts/Northrend/Ulduar/Ulduar/boss_razorscale.cpp
	src/server/scripts/Northrend/UtgardeKeep/UtgardePinnacle/boss_skadi.cpp
	src/server/scripts/Northrend/UtgardeKeep/UtgardePinnacle/boss_svala.cpp
	src/server/scripts/Northrend/UtgardeKeep/UtgardePinnacle/boss_ymiron.cpp

52 files changed, 335 insertions, 407 deletions

diff --git a/src/server/scripts/Kalimdor/BlackfathomDeeps/blackfathom_deeps.cpp b/src/server/scripts/Kalimdor/BlackfathomDeeps/blackfathom_deeps.cpp
index f8ba2ab6646..0fe3eee2805 100644
--- a/src/server/scripts/Kalimdor/BlackfathomDeeps/blackfathom_deeps.cpp
+++ b/src/server/scripts/Kalimdor/BlackfathomDeeps/blackfathom_deeps.cpp
@@ -210,7 +210,7 @@ public:
         {
             Talk(SAY_MORRIDUNE_1);
             me->RemoveFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_GOSSIP);
-            Start(false, false, 0);
+            Start(false);
         }
 
         void WaypointReached(uint32 waypointId) override
diff --git a/src/server/scripts/Kalimdor/BlackfathomDeeps/instance_blackfathom_deeps.cpp b/src/server/scripts/Kalimdor/BlackfathomDeeps/instance_blackfathom_deeps.cpp
index 28b414ba9ca..b23d0cdaa3c 100644
--- a/src/server/scripts/Kalimdor/BlackfathomDeeps/instance_blackfathom_deeps.cpp
+++ b/src/server/scripts/Kalimdor/BlackfathomDeeps/instance_blackfathom_deeps.cpp
@@ -66,14 +66,14 @@ public:
     {
         instance_blackfathom_deeps_InstanceMapScript(Map* map) : InstanceScript(map) { }
 
-        uint64 twilightLordKelrisGUID;
-        uint64 shrine1GUID;
-        uint64 shrine2GUID;
-        uint64 shrine3GUID;
-        uint64 shrine4GUID;
-        uint64 shrineOfGelihastGUID;
-        uint64 altarOfTheDeepsGUID;
-        uint64 mainDoorGUID;
+        ObjectGuid twilightLordKelrisGUID;
+        ObjectGuid shrine1GUID;
+        ObjectGuid shrine2GUID;
+        ObjectGuid shrine3GUID;
+        ObjectGuid shrine4GUID;
+        ObjectGuid shrineOfGelihastGUID;
+        ObjectGuid altarOfTheDeepsGUID;
+        ObjectGuid mainDoorGUID;
 
         uint8 encounter[MAX_ENCOUNTER];
         uint8 countFires;
@@ -84,14 +84,6 @@ public:
             SetHeaders(DataHeader);
             memset(&encounter, 0, sizeof(encounter));
 
-            twilightLordKelrisGUID = 0;
-            shrine1GUID = 0;
-            shrine2GUID = 0;
-            shrine3GUID = 0;
-            shrine4GUID = 0;
-            shrineOfGelihastGUID = 0;
-            altarOfTheDeepsGUID = 0;
-            mainDoorGUID = 0;
             countFires = 0;
             deathTimes = 0;
         }
@@ -137,7 +129,7 @@ public:
                     break;
                 case GO_AKU_MAI_DOOR:
                     if (encounter[2] == DONE)
-                        HandleGameObject(0, true, go);
+                        HandleGameObject(ObjectGuid::Empty, true, go);
                     mainDoorGUID = go->GetGUID();
                     break;
             }
@@ -234,7 +226,7 @@ public:
             return 0;
         }
 
-        uint64 GetData64(uint32 data) const override
+        ObjectGuid GetGuidData(uint32 data) const override
         {
             switch (data)
             {
@@ -254,7 +246,7 @@ public:
                     return mainDoorGUID;
             }
 
-            return 0;
+            return ObjectGuid::Empty;
         }
     };
 };
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_anetheron.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_anetheron.cpp
index 782632602b3..131f875bc05 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_anetheron.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_anetheron.cpp
@@ -100,7 +100,7 @@ public:
         {
             if (waypointId == 7)
             {
-                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_JAINAPROUDMOORE));
+                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_JAINAPROUDMOORE));
                 if (target && target->IsAlive())
                     me->AddThreat(target, 0.0f);
             }
@@ -194,12 +194,12 @@ public:
             ImmolationTimer = 5000;
             CheckTimer = 5000;
             instance = creature->GetInstanceScript();
-            AnetheronGUID = instance->GetData64(DATA_ANETHERON);
+            AnetheronGUID = instance->GetGuidData(DATA_ANETHERON);
         }
 
         uint32 ImmolationTimer;
         uint32 CheckTimer;
-        uint64 AnetheronGUID;
+        ObjectGuid AnetheronGUID;
         InstanceScript* instance;
 
         void Reset() override
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_archimonde.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_archimonde.cpp
index 2885a838cee..992b20d2580 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_archimonde.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_archimonde.cpp
@@ -97,18 +97,18 @@ public:
         void Initialize()
         {
             CheckTimer = 1000;
-            ArchimondeGUID = 0;
+            ArchimondeGUID.Clear();
         }
 
         InstanceScript* instance;
-        uint64 ArchimondeGUID;
+        ObjectGuid ArchimondeGUID;
         uint32 CheckTimer;
 
         void Reset() override
         {
             Initialize();
 
-            ArchimondeGUID = instance->GetData64(DATA_ARCHIMONDE);
+            ArchimondeGUID = instance->GetGuidData(DATA_ARCHIMONDE);
 
             me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE);
         }
@@ -187,11 +187,11 @@ public:
 
         void Initialize()
         {
-            TargetGUID = 0;
+            TargetGUID.Clear();
             ChangeTargetTimer = 5000;
         }
 
-        uint64 TargetGUID;
+        ObjectGuid TargetGUID;
         uint32 ChangeTargetTimer;
 
         void Reset() override
@@ -222,7 +222,7 @@ public:
                 if (Unit* temp = ObjectAccessor::GetUnit(*me, TargetGUID))
                 {
                     me->GetMotionMaster()->MoveFollow(temp, 0.0f, 0.0f);
-                    TargetGUID = 0;
+                    TargetGUID.Clear();
                 }
                 else
                 {
@@ -264,9 +264,9 @@ public:
 
         void Initialize()
         {
-            DoomfireSpiritGUID = 0;
+            DoomfireSpiritGUID.Clear();
             damageTaken = 0;
-            WorldTreeGUID = 0;
+            WorldTreeGUID.Clear();
 
             DrainNordrassilTimer = 0;
             FearTimer = 42000;
@@ -290,8 +290,8 @@ public:
 
         InstanceScript* instance;
 
-        uint64 DoomfireSpiritGUID;
-        uint64 WorldTreeGUID;
+        ObjectGuid DoomfireSpiritGUID;
+        ObjectGuid WorldTreeGUID;
 
         uint32 DrainNordrassilTimer;
         uint32 FearTimer;
@@ -429,7 +429,7 @@ public:
                 if (Unit* DoomfireSpirit = ObjectAccessor::GetUnit(*me, DoomfireSpiritGUID))
                 {
                     summoned->GetMotionMaster()->MoveFollow(DoomfireSpirit, 0.0f, 0.0f);
-                    DoomfireSpiritGUID = 0;
+                    DoomfireSpiritGUID.Clear();
                 }
             }
         }
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_azgalor.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_azgalor.cpp
index 7e50fd7b775..aa411707952 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_azgalor.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_azgalor.cpp
@@ -105,7 +105,7 @@ public:
         {
             if (waypointId == 7 && instance)
             {
-                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                 if (target && target->IsAlive())
                     me->AddThreat(target, 0.0f);
             }
@@ -201,13 +201,13 @@ public:
             WarstompTimer = 10000;
             CheckTimer = 5000;
             instance = creature->GetInstanceScript();
-            AzgalorGUID = instance->GetData64(DATA_AZGALOR);
+            AzgalorGUID = instance->GetGuidData(DATA_AZGALOR);
         }
 
         uint32 CrippleTimer;
         uint32 WarstompTimer;
         uint32 CheckTimer;
-        uint64 AzgalorGUID;
+        ObjectGuid AzgalorGUID;
         InstanceScript* instance;
 
         void Reset() override
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_kazrogal.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_kazrogal.cpp
index d3c137b67e8..baa28dad2a2 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_kazrogal.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_kazrogal.cpp
@@ -100,7 +100,7 @@ public:
         {
             if (waypointId == 7 && instance)
             {
-                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                 if (target && target->IsAlive())
                     me->AddThreat(target, 0.0f);
             }
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_rage_winterchill.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_rage_winterchill.cpp
index 5ce9b30eb58..cecad84e099 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_rage_winterchill.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/boss_rage_winterchill.cpp
@@ -95,7 +95,7 @@ public:
         {
             if (waypointId == 7 && instance)
             {
-                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_JAINAPROUDMOORE));
+                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_JAINAPROUDMOORE));
                 if (target && target->IsAlive())
                     me->AddThreat(target, 0.0f);
             }
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjalAI.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjalAI.cpp
index b5c226b15cb..a4745eade7d 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjalAI.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjalAI.cpp
@@ -321,8 +321,6 @@ hyjalAI::hyjalAI(Creature* creature) : npc_escortAI(creature), Summons(me)
     instance = creature->GetInstanceScript();
     VeinsSpawned[0] = false;
     VeinsSpawned[1] = false;
-    for (uint8 i=0; i<14; ++i)
-        VeinGUID[i] = 0;
     InfernalCount = 0;
     TeleportTimer = 1000;
     Overrun = false;
@@ -335,7 +333,6 @@ hyjalAI::hyjalAI(Creature* creature) : npc_escortAI(creature), Summons(me)
     DoRespawn = false;
     MassTeleportTimer = 0;
     DoMassTeleport = false;
-    DummyGuid = 0;
 }
 
 void hyjalAI::Initialize()
@@ -343,9 +340,9 @@ void hyjalAI::Initialize()
     IsDummy = false;
 
     // GUIDs
-    PlayerGUID = 0;
-    BossGUID[0] = 0;
-    BossGUID[1] = 0;
+    PlayerGUID.Clear();
+    BossGUID[0].Clear();
+    BossGUID[1].Clear();
 
     // Timers
     NextWaveTimer = 10000;
@@ -651,21 +648,23 @@ void hyjalAI::SpawnVeins()
     {
         if (VeinsSpawned[0])//prevent any buggers
             return;
-        for (uint8 i = 0; i<7; ++i)
+        for (uint8 i = 0; i < 7; ++i)
         {
             GameObject* gem = me->SummonGameObject(GO_ANCIENT_VEIN, VeinPos[i][0], VeinPos[i][1], VeinPos[i][2], VeinPos[i][3], VeinPos[i][4], VeinPos[i][5], VeinPos[i][6], VeinPos[i][7], 0);
             if (gem)
                 VeinGUID[i]=gem->GetGUID();
         }
         VeinsSpawned[0] = true;
-    }else{
+    }
+    else
+    {
         if (VeinsSpawned[1])
             return;
-        for (uint8 i = 7; i<14; ++i)
+        for (uint8 i = 7; i < 14; ++i)
         {
             GameObject* gem = me->SummonGameObject(GO_ANCIENT_VEIN, VeinPos[i][0], VeinPos[i][1], VeinPos[i][2], VeinPos[i][3], VeinPos[i][4], VeinPos[i][5], VeinPos[i][6], VeinPos[i][7], 0);
             if (gem)
-                VeinGUID[i]=gem->GetGUID();
+                VeinGUID[i] = gem->GetGUID();
         }
         VeinsSpawned[1] = true;
     }
@@ -675,22 +674,25 @@ void hyjalAI::DeSpawnVeins()
 {
     if (Faction == 1)
     {
-        Creature* unit=ObjectAccessor::GetCreature((*me), instance->GetData64(DATA_JAINAPROUDMOORE));
+        Creature* unit=ObjectAccessor::GetCreature((*me), instance->GetGuidData(DATA_JAINAPROUDMOORE));
         if (!unit)return;
         hyjalAI* ai = CAST_AI(hyjalAI, unit->AI());
         if (!ai)return;
-        for (uint8 i = 0; i<7; ++i)
+        for (uint8 i = 0; i < 7; ++i)
         {
             if (GameObject* gem = instance->instance->GetGameObject(ai->VeinGUID[i]))
                 gem->Delete();
         }
-    } else if (Faction)
+    }
+    else if (Faction)
     {
-        Creature* unit=ObjectAccessor::GetCreature((*me), instance->GetData64(DATA_THRALL));
-        if (!unit)return;
+        Creature* unit=ObjectAccessor::GetCreature((*me), instance->GetGuidData(DATA_THRALL));
+        if (!unit)
+            return;
         hyjalAI* ai = CAST_AI(hyjalAI, unit->AI());
-        if (!ai)return;
-        for (uint8 i = 7; i<14; ++i)
+        if (!ai)
+            return;
+        for (uint8 i = 7; i < 14; ++i)
         {
             if (GameObject* gem = instance->instance->GetGameObject(ai->VeinGUID[i]))
                 gem->Delete();
@@ -706,7 +708,9 @@ void hyjalAI::UpdateAI(uint32 diff)
         {
             DoCast(me, SPELL_MASS_TELEPORT, false);
             DoMassTeleport = false;
-        } else MassTeleportTimer -= diff;
+        }
+        else
+            MassTeleportTimer -= diff;
         return;
     }
     if (DoHide)
@@ -830,7 +834,7 @@ void hyjalAI::UpdateAI(uint32 diff)
                     EventBegun = false;
                     CheckTimer = 0;
                     me->SetFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_GOSSIP);
-                    BossGUID[i] = 0;
+                    BossGUID[i].Clear();
                     instance->DoUpdateWorldState(WORLD_STATE_ENEMY, 0); // Reset world state for enemies to disable it
                 }
             }
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjalAI.h b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjalAI.h
index 43afc58879c..468decbd43a 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjalAI.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjalAI.h
@@ -160,9 +160,9 @@ struct hyjalAI : public npc_escortAI
     public:
         InstanceScript* instance;
 
-        uint64 PlayerGUID;
-        uint64 BossGUID[2];
-        uint64 VeinGUID[14];
+        ObjectGuid PlayerGUID;
+        ObjectGuid BossGUID[2];
+        ObjectGuid VeinGUID[14];
 
         uint32 NextWaveTimer;
         uint32 WaveCount;
@@ -193,7 +193,7 @@ struct hyjalAI : public npc_escortAI
         bool IsDummy;
         uint32 MassTeleportTimer;
         bool DoMassTeleport;
-        uint64 DummyGuid;
+        ObjectGuid DummyGuid;
 
         struct Spell
         {
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjal_trash.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjal_trash.cpp
index 8e1a78ea5f2..c6adbd58c4a 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjal_trash.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjal_trash.cpp
@@ -447,7 +447,7 @@ public:
             {
                 if (instance->GetData(DATA_ALLIANCE_RETREAT))//2.alliance boss down, attack thrall
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
@@ -486,7 +486,7 @@ public:
                     CanMove = true;
                     if (instance->GetData(DATA_ALLIANCE_RETREAT) && !instance->GetData(DATA_HORDE_RETREAT))
                     {
-                        Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                        Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                         if (target && target->IsAlive())
                             me->AddThreat(target, 0.0f);
                     } else if (instance->GetData(DATA_ALLIANCE_RETREAT) && instance->GetData(DATA_HORDE_RETREAT)){
@@ -563,13 +563,13 @@ public:
             {
                 if (instance->GetData(DATA_ALLIANCE_RETREAT))//2.alliance boss down, attack thrall
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
                 else
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_JAINAPROUDMOORE));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_JAINAPROUDMOORE));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
@@ -662,13 +662,13 @@ public:
             {
                 if (instance->GetData(DATA_ALLIANCE_RETREAT))//2.alliance boss down, attack thrall
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
                 else
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_JAINAPROUDMOORE));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_JAINAPROUDMOORE));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
@@ -773,13 +773,13 @@ public:
             {
                 if (instance->GetData(DATA_ALLIANCE_RETREAT))//2.alliance boss down, attack thrall
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
                 else
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_JAINAPROUDMOORE));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_JAINAPROUDMOORE));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
@@ -886,13 +886,13 @@ public:
             {
                 if (instance->GetData(DATA_ALLIANCE_RETREAT))//2.alliance boss down, attack thrall
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
                 else
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_JAINAPROUDMOORE));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_JAINAPROUDMOORE));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
@@ -982,13 +982,13 @@ public:
             {
                 if (instance->GetData(DATA_ALLIANCE_RETREAT))//2.alliance boss down, attack thrall
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
                 else
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_JAINAPROUDMOORE));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_JAINAPROUDMOORE));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
@@ -1068,13 +1068,13 @@ public:
             {
                 if (instance->GetData(DATA_ALLIANCE_RETREAT))//2.alliance boss down, attack thrall
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
                 else
                 {
-                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_JAINAPROUDMOORE));
+                    Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_JAINAPROUDMOORE));
                     if (target && target->IsAlive())
                         me->AddThreat(target, 0.0f);
                 }
@@ -1160,7 +1160,7 @@ public:
         {
             if (waypointId == 2 && !IsOverrun)
             {
-                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                 if (target && target->IsAlive())
                 {
                     me->AddThreat(target, 0.0f);
@@ -1281,7 +1281,7 @@ public:
         {
             if (waypointId == 2 && !IsOverrun)
             {
-                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_THRALL));
+                Unit* target = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_THRALL));
                 if (target && target->IsAlive())
                 {
                     me->AddThreat(target, 0.0f);
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/instance_hyjal.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/instance_hyjal.cpp
index 69eba98f406..55860d98cc5 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/instance_hyjal.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/instance_hyjal.cpp
@@ -61,18 +61,6 @@ public:
             SetHeaders(DataHeader);
             memset(&m_auiEncounter, 0, sizeof(m_auiEncounter));
 
-            m_uiAncientGemGUID.clear();
-
-            RageWinterchill    = 0;
-            Anetheron          = 0;
-            Kazrogal           = 0;
-            Azgalor            = 0;
-            Archimonde         = 0;
-            JainaProudmoore    = 0;
-            Thrall             = 0;
-            TyrandeWhisperwind = 0;
-            HordeGate          = 0;
-            ElfGate            = 0;
             RaidDamage         = 0;
             Trash              = 0;
             hordeRetreat       = 0;
@@ -97,16 +85,16 @@ public:
                 case GO_HORDE_ENCAMPMENT_PORTAL:
                     HordeGate = go->GetGUID();
                     if (allianceRetreat)
-                        HandleGameObject(0, true, go);
+                        HandleGameObject(ObjectGuid::Empty, true, go);
                     else
-                        HandleGameObject(0, false, go);
+                        HandleGameObject(ObjectGuid::Empty, false, go);
                     break;
                 case GO_NIGHT_ELF_VILLAGE_PORTAL:
                     ElfGate = go->GetGUID();
                     if (hordeRetreat)
-                        HandleGameObject(0, true, go);
+                        HandleGameObject(ObjectGuid::Empty, true, go);
                     else
-                        HandleGameObject(0, false, go);
+                        HandleGameObject(ObjectGuid::Empty, false, go);
                     break;
                 case GO_ANCIENT_GEM:
                     m_uiAncientGemGUID.push_back(go->GetGUID());
@@ -129,7 +117,7 @@ public:
             }
         }
 
-        uint64 GetData64(uint32 identifier) const override
+        ObjectGuid GetGuidData(uint32 identifier) const override
         {
             switch (identifier)
             {
@@ -143,7 +131,7 @@ public:
                 case DATA_TYRANDEWHISPERWIND: return TyrandeWhisperwind;
             }
 
-            return 0;
+            return ObjectGuid::Empty;
         }
 
         void SetData(uint32 type, uint32 data) override
@@ -215,7 +203,7 @@ public:
                     {
                         if (!m_uiAncientGemGUID.empty())
                         {
-                            for (std::list<uint64>::const_iterator itr = m_uiAncientGemGUID.begin(); itr != m_uiAncientGemGUID.end(); ++itr)
+                            for (GuidList::const_iterator itr = m_uiAncientGemGUID.begin(); itr != m_uiAncientGemGUID.end(); ++itr)
                             {
                                 //don't know how long it expected
                                 DoRespawnGameObject(*itr, DAY);
@@ -305,17 +293,17 @@ public:
         protected:
             uint32 m_auiEncounter[EncounterCount];
             std::string str_data;
-            std::list<uint64> m_uiAncientGemGUID;
-            uint64 RageWinterchill;
-            uint64 Anetheron;
-            uint64 Kazrogal;
-            uint64 Azgalor;
-            uint64 Archimonde;
-            uint64 JainaProudmoore;
-            uint64 Thrall;
-            uint64 TyrandeWhisperwind;
-            uint64 HordeGate;
-            uint64 ElfGate;
+            GuidList m_uiAncientGemGUID;
+            ObjectGuid RageWinterchill;
+            ObjectGuid Anetheron;
+            ObjectGuid Kazrogal;
+            ObjectGuid Azgalor;
+            ObjectGuid Archimonde;
+            ObjectGuid JainaProudmoore;
+            ObjectGuid Thrall;
+            ObjectGuid TyrandeWhisperwind;
+            ObjectGuid HordeGate;
+            ObjectGuid ElfGate;
             uint32 Trash;
             uint32 hordeRetreat;
             uint32 allianceRetreat;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/boss_mal_ganis.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/boss_mal_ganis.cpp
index 7b3314ef4e9..3f74ed2eb88 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/boss_mal_ganis.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/boss_mal_ganis.cpp
@@ -150,7 +150,7 @@ public:
                         return;
                     }
 
-                    if (Creature* pArthas = ObjectAccessor::GetCreature(*me, instance->GetData64(DATA_ARTHAS)))
+                    if (Creature* pArthas = ObjectAccessor::GetCreature(*me, instance->GetGuidData(DATA_ARTHAS)))
                         if (pArthas->isDead())
                         {
                             EnterEvadeMode();
@@ -199,7 +199,7 @@ public:
                                 uiOutroTimer = 8000;
                                 break;
                             case 2:
-                                me->SetTarget(instance->GetData64(DATA_ARTHAS));
+                                me->SetTarget(instance->GetGuidData(DATA_ARTHAS));
                                 me->HandleEmoteCommand(29);
                                 Talk(SAY_ESCAPE_SPEECH_2);
                                 ++uiOutroStep;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/culling_of_stratholme.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/culling_of_stratholme.cpp
index 3c80be2734a..ff104a28197 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/culling_of_stratholme.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/culling_of_stratholme.cpp
@@ -360,23 +360,23 @@ public:
 
         void Initialize()
         {
-            utherGUID = 0;
-            jainaGUID = 0;
+            utherGUID.Clear();
+            jainaGUID.Clear();
 
             for (uint8 i = 0; i < 2; ++i)
-                citymenGUID[i] = 0;
+                citymenGUID[i].Clear();
 
             for (uint8 i = 0; i < ENCOUNTER_WAVES_MAX_SPAWNS; ++i)
-                waveGUID[i] = 0;
+                waveGUID[i].Clear();
 
             for (uint8 i = 0; i < ENCOUNTER_DRACONIAN_NUMBER; ++i)
-                infiniteDraconianGUID[i] = 0;
+                infiniteDraconianGUID[i].Clear();
 
-            stalkerGUID = 0;
-            bossGUID = 0;
-            epochGUID = 0;
-            malganisGUID = 0;
-            infiniteGUID = 0;
+            stalkerGUID.Clear();
+            bossGUID.Clear();
+            epochGUID.Clear();
+            malganisGUID.Clear();
+            infiniteGUID.Clear();
 
             phaseTimer = 1000;
             exorcismTimer = 7300;
@@ -393,17 +393,17 @@ public:
         uint32 wave;
         uint32 WavesCounter;
 
-        uint64 utherGUID;
-        uint64 jainaGUID;
-        uint64 citymenGUID[2];
-        uint64 waveGUID[ENCOUNTER_WAVES_MAX_SPAWNS];
-        uint64 infiniteDraconianGUID[ENCOUNTER_DRACONIAN_NUMBER];
-        uint64 stalkerGUID;
+        ObjectGuid utherGUID;
+        ObjectGuid jainaGUID;
+        ObjectGuid citymenGUID[2];
+        ObjectGuid waveGUID[ENCOUNTER_WAVES_MAX_SPAWNS];
+        ObjectGuid infiniteDraconianGUID[ENCOUNTER_DRACONIAN_NUMBER];
+        ObjectGuid stalkerGUID;
 
-        uint64 bossGUID;
-        uint64 epochGUID;
-        uint64 malganisGUID;
-        uint64 infiniteGUID;
+        ObjectGuid bossGUID;
+        ObjectGuid epochGUID;
+        ObjectGuid malganisGUID;
+        ObjectGuid infiniteGUID;
 
         uint32 exorcismTimer;
 
@@ -436,7 +436,7 @@ public:
             instance->SetBossState(DATA_ARTHAS, FAIL);
         }
 
-        void SpawnTimeRift(uint32 timeRiftID, uint64* guidVector)
+        void SpawnTimeRift(uint32 timeRiftID, ObjectGuid* guidVector)
         {
             me->SummonCreature((uint32)RiftAndSpawnsLocations[timeRiftID][0], RiftAndSpawnsLocations[timeRiftID][1], RiftAndSpawnsLocations[timeRiftID][2], RiftAndSpawnsLocations[timeRiftID][3], RiftAndSpawnsLocations[timeRiftID][4], TEMPSUMMON_TIMED_DESPAWN, 11000);
 
@@ -455,7 +455,7 @@ public:
             }
         }
 
-        void SpawnWaveGroup(uint32 waveID, uint64* guidVector)
+        void SpawnWaveGroup(uint32 waveID, ObjectGuid* guidVector)
         {
             for (uint32 i = 0; i < ENCOUNTER_WAVES_MAX_SPAWNS; ++i)
             {
@@ -568,7 +568,7 @@ public:
                     Talk(SAY_PHASE403);
                     break;
                 case 36:
-                    if (GameObject* gate = ObjectAccessor::GetGameObject(*me, instance->GetData64(DATA_SHKAF_GATE)))
+                    if (GameObject* gate = ObjectAccessor::GetGameObject(*me, instance->GetGuidData(DATA_SHKAF_GATE)))
                         gate->SetGoState(GO_STATE_ACTIVE);
                     break;
                 case 45:
@@ -736,7 +736,7 @@ public:
                         case 21:
                             SetEscortPaused(false);
                             bStepping = false;
-                            me->SetTarget(0);
+                            me->SetTarget(ObjectGuid::Empty);
                             JumpToNextStep(0);
                             break;
                         //After waypoint 3
@@ -756,7 +756,7 @@ public:
                             if (Creature* uther = ObjectAccessor::GetCreature(*me, utherGUID))
                                 uther->DisappearAndDie();
 
-                            me->SetTarget(0);
+                            me->SetTarget(ObjectGuid::Empty);
                             JumpToNextStep(0);
                             break;
                         //After Gossip 1 (waypoint 8)
@@ -779,7 +779,7 @@ public:
                             SetEscortPaused(false);
                             bStepping = false;
                             SetRun(false);
-                            me->SetTarget(0);
+                            me->SetTarget(ObjectGuid::Empty);
                             JumpToNextStep(0);
                             break;
                         //After waypoint 9
@@ -938,7 +938,7 @@ public:
                                 uint32 deadCounter = 0;
                                 for (uint8 i = 0; i < ENCOUNTER_WAVES_MAX_SPAWNS; ++i)
                                 {
-                                    if (waveGUID[i] == 0)
+                                    if (waveGUID[i].IsEmpty())
                                         break;
                                     ++mobCounter;
                                     Unit* temp = ObjectAccessor::GetCreature(*me, waveGUID[i]);
@@ -1168,7 +1168,7 @@ public:
                                 malganisGUID = malganis->GetGUID();
                                 malganis->SetReactState(REACT_PASSIVE);
                             }
-                            if (GameObject* gate = ObjectAccessor::GetGameObject(*me, instance->GetData64(DATA_MAL_GANIS_GATE_1)))
+                            if (GameObject* gate = ObjectAccessor::GetGameObject(*me, instance->GetGuidData(DATA_MAL_GANIS_GATE_1)))
                                 gate->SetGoState(GO_STATE_ACTIVE);
                             SetHoldState(false);
                             bStepping = false;
@@ -1208,7 +1208,7 @@ public:
                             break;
                         case 90:
                             instance->SetBossState(DATA_ARTHAS, DONE); //Rewards: Achiev & Chest ;D
-                            me->SetTarget(instance->GetData64(DATA_MAL_GANIS_GATE_2)); //Look behind
+                            me->SetTarget(instance->GetGuidData(DATA_MAL_GANIS_GATE_2)); //Look behind
                             Talk(SAY_PHASE504);
                             bStepping = false;
                             break;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/instance_culling_of_stratholme.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/instance_culling_of_stratholme.cpp
index ab86b5d8f42..ae0fa2aa564 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/instance_culling_of_stratholme.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/instance_culling_of_stratholme.cpp
@@ -61,19 +61,6 @@ class instance_culling_of_stratholme : public InstanceMapScript
                 SetBossNumber(EncounterCount);
                 LoadDoorData(doorData);
 
-                _chromieGUID       = 0;
-                _arthasGUID        = 0;
-                _meathookGUID      = 0;
-                _salrammGUID       = 0;
-                _epochGUID         = 0;
-                _malGanisGUID      = 0;
-                _infiniteGUID      = 0;
-                _shkafGateGUID     = 0;
-                _malGanisGate1GUID = 0;
-                _malGanisGate2GUID = 0;
-                _exitGateGUID      = 0;
-                _malGanisChestGUID = 0;
-                _genericBunnyGUID  = 0;
                 _crateCount        = 0;
                 _eventTimer        = 0;
                 _infiniteCouterState = NOT_STARTED;
@@ -242,7 +229,7 @@ class instance_culling_of_stratholme : public InstanceMapScript
                 return 0;
             }
 
-            uint64 GetData64(uint32 identifier) const override
+            ObjectGuid GetGuidData(uint32 identifier) const override
             {
                 switch (identifier)
                 {
@@ -271,7 +258,7 @@ class instance_culling_of_stratholme : public InstanceMapScript
                     default:
                         break;
                 }
-                return 0;
+                return ObjectGuid::Empty;
             }
 
             void Update(uint32 diff) override
@@ -331,19 +318,19 @@ class instance_culling_of_stratholme : public InstanceMapScript
             }
 
         private:
-            uint64 _chromieGUID;
-            uint64 _arthasGUID;
-            uint64 _meathookGUID;
-            uint64 _salrammGUID;
-            uint64 _epochGUID;
-            uint64 _malGanisGUID;
-            uint64 _infiniteGUID;
-            uint64 _shkafGateGUID;
-            uint64 _malGanisGate1GUID;
-            uint64 _malGanisGate2GUID;
-            uint64 _exitGateGUID;
-            uint64 _malGanisChestGUID;
-            uint64 _genericBunnyGUID;
+            ObjectGuid _chromieGUID;
+            ObjectGuid _arthasGUID;
+            ObjectGuid _meathookGUID;
+            ObjectGuid _salrammGUID;
+            ObjectGuid _epochGUID;
+            ObjectGuid _malGanisGUID;
+            ObjectGuid _infiniteGUID;
+            ObjectGuid _shkafGateGUID;
+            ObjectGuid _malGanisGate1GUID;
+            ObjectGuid _malGanisGate2GUID;
+            ObjectGuid _exitGateGUID;
+            ObjectGuid _malGanisChestGUID;
+            ObjectGuid _genericBunnyGUID;
 
             uint32 _crateCount;
             uint32 _eventTimer;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/instance_old_hillsbrad.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/instance_old_hillsbrad.cpp
index 32062be6f3c..0220ff98750 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/instance_old_hillsbrad.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/instance_old_hillsbrad.cpp
@@ -58,9 +58,9 @@ public:
         uint32 mBarrelCount;
         uint32 mThrallEventCount;
 
-        uint64 ThrallGUID;
-        uint64 TarethaGUID;
-        uint64 EpochGUID;
+        ObjectGuid ThrallGUID;
+        ObjectGuid TarethaGUID;
+        ObjectGuid EpochGUID;
 
         void Initialize() override
         {
@@ -69,9 +69,6 @@ public:
 
             mBarrelCount        = 0;
             mThrallEventCount   = 0;
-            ThrallGUID          = 0;
-            TarethaGUID         = 0;
-            EpochGUID        = 0;
         }
 
         Player* GetPlayerInMap()
@@ -100,7 +97,7 @@ public:
                 for (Map::PlayerList::const_iterator itr = players.begin(); itr != players.end(); ++itr)
                 {
                     if (Player* player = itr->GetSource())
-                        player->KilledMonsterCredit(LODGE_QUEST_TRIGGER, 0);
+                        player->KilledMonsterCredit(LODGE_QUEST_TRIGGER);
                 }
             }
         }
@@ -115,9 +112,9 @@ public:
                 case TARETHA_ENTRY:
                     TarethaGUID = creature->GetGUID();
                     break;
-            case EPOCH_ENTRY:
-            EpochGUID = creature->GetGUID();
-            break;
+                case EPOCH_ENTRY:
+                    EpochGUID = creature->GetGUID();
+                    break;
             }
         }
 
@@ -224,7 +221,7 @@ public:
             return 0;
         }
 
-        uint64 GetData64(uint32 data) const override
+        ObjectGuid GetGuidData(uint32 data) const override
         {
             switch (data)
             {
@@ -232,10 +229,10 @@ public:
                     return ThrallGUID;
                 case DATA_TARETHA:
                     return TarethaGUID;
-            case DATA_EPOCH:
-            return EpochGUID;
+                case DATA_EPOCH:
+                    return EpochGUID;
             }
-            return 0;
+            return ObjectGuid::Empty;
         }
     };
 
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/old_hillsbrad.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/old_hillsbrad.cpp
index 56e95fafece..66ce5e93720 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/old_hillsbrad.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/old_hillsbrad.cpp
@@ -404,7 +404,7 @@ public:
                     me->SummonCreature(NPC_INN_GUARDSMAN, 2656.39f, 659.77f, 61.93f, 2.61f, TEMPSUMMON_TIMED_DESPAWN_OUT_OF_COMBAT, 5000);
                     break;
                 case 94:
-                    if (Creature* Taretha = ObjectAccessor::GetCreature(*me, instance->GetData64(DATA_TARETHA)))
+                    if (Creature* Taretha = ObjectAccessor::GetCreature(*me, instance->GetGuidData(DATA_TARETHA)))
                         Taretha->AI()->Talk(SAY_TA_ESCAPED, me);
                     break;
                 case 95:
@@ -426,7 +426,7 @@ public:
                 case 106:
                     {
                         //trigger taretha to run down outside
-                        if (Creature* Taretha = instance->instance->GetCreature(instance->GetData64(DATA_TARETHA)))
+                        if (Creature* Taretha = instance->instance->GetCreature(instance->GetGuidData(DATA_TARETHA)))
                         {
                             if (Player* player = GetPlayerForEscort())
                                 ENSURE_AI(npc_escortAI, (Taretha->AI()))->Start(false, true, player->GetGUID());
@@ -440,7 +440,7 @@ public:
                             for (Map::PlayerList::const_iterator itr = players.begin(); itr != players.end(); ++itr)
                             {
                                 if (Player* player = itr->GetSource())
-                                    player->KilledMonsterCredit(20156, 0);
+                                    player->KilledMonsterCredit(20156);
                             }
                         }
 
@@ -588,10 +588,10 @@ public:
             if (instance->GetData(TYPE_THRALL_EVENT) == IN_PROGRESS)
             {
                 instance->SetData(TYPE_THRALL_PART4, IN_PROGRESS);
-                if (instance->GetData64(DATA_EPOCH) == 0)
+                if (instance->GetGuidData(DATA_EPOCH).IsEmpty())
                      creature->SummonCreature(ENTRY_EPOCH, 2639.13f, 698.55f, 65.43f, 4.59f, TEMPSUMMON_TIMED_OR_DEAD_DESPAWN, 120000);
 
-                if (Creature* thrall = (ObjectAccessor::GetCreature(*creature, instance->GetData64(DATA_THRALL))))
+                if (Creature* thrall = (ObjectAccessor::GetCreature(*creature, instance->GetGuidData(DATA_THRALL))))
                     ENSURE_AI(npc_thrall_old_hillsbrad::npc_thrall_old_hillsbradAI, thrall->AI())->StartWP();
             }
         }
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/instance_the_black_morass.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/instance_the_black_morass.cpp
index 35497b1f9ce..ed49cc41c39 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/instance_the_black_morass.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/instance_the_black_morass.cpp
@@ -89,13 +89,12 @@ public:
         uint8  mRiftWaveCount;
         uint8  mRiftWaveId;
 
-        uint64 _medivhGUID;
+        ObjectGuid _medivhGUID;
         uint8  _currentRiftId;
 
         void Initialize() override
         {
             SetHeaders(DataHeader);
-            _medivhGUID         = 0;
             Clear();
         }
 
@@ -253,12 +252,12 @@ public:
             return 0;
         }
 
-        uint64 GetData64(uint32 data) const override
+        ObjectGuid GetGuidData(uint32 data) const override
         {
             if (data == DATA_MEDIVH)
                 return _medivhGUID;
 
-            return 0;
+            return ObjectGuid::Empty;
         }
 
         Creature* SummonedPortalBoss(Creature* me)
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/the_black_morass.cpp b/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/the_black_morass.cpp
index 1fa104ada00..64d99c03dab 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/the_black_morass.cpp
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/the_black_morass.cpp
@@ -321,7 +321,7 @@ public:
             pos.m_positionZ = std::max(me->GetMap()->GetHeight(pos.m_positionX, pos.m_positionY, MAX_HEIGHT), me->GetMap()->GetWaterLevel(pos.m_positionX, pos.m_positionY));
 
             if (Unit* Summon = DoSummon(creature_entry, pos, 30000, TEMPSUMMON_TIMED_DESPAWN_OUT_OF_COMBAT))
-                if (Unit* temp = ObjectAccessor::GetUnit(*me, instance->GetData64(DATA_MEDIVH)))
+                if (Unit* temp = ObjectAccessor::GetUnit(*me, instance->GetGuidData(DATA_MEDIVH)))
                     Summon->AddThreat(temp, 0.0f);
         }
 
diff --git a/src/server/scripts/Kalimdor/OnyxiasLair/boss_onyxia.cpp b/src/server/scripts/Kalimdor/OnyxiasLair/boss_onyxia.cpp
index 0a6b2e88b26..5c083e43d3d 100644
--- a/src/server/scripts/Kalimdor/OnyxiasLair/boss_onyxia.cpp
+++ b/src/server/scripts/Kalimdor/OnyxiasLair/boss_onyxia.cpp
@@ -140,8 +140,8 @@ public:
             MovePoint = urand(0, 5);
             PointData = GetMoveData();
             SummonWhelpCount = 0;
-            triggerGUID = 0;
-            tankGUID = 0;
+            triggerGUID.Clear();
+            tankGUID.Clear();
             IsMoving = false;
         }
 
@@ -355,7 +355,7 @@ public:
                             Trinity::GameObjectLastSearcher<Trinity::GameObjectInRangeCheck> searcher(me, Floor, check);
                             me->VisitNearbyGridObject(30, searcher);
                             if (Floor)
-                                instance->SetData64(DATA_FLOOR_ERUPTION_GUID, Floor->GetGUID());
+                                instance->SetGuidData(DATA_FLOOR_ERUPTION_GUID, Floor->GetGUID());
                             events.ScheduleEvent(EVENT_BELLOWING_ROAR, 30000);
                             break;
                         }
@@ -473,8 +473,8 @@ public:
             uint8 Phase;
             uint8 MovePoint;
             uint8 SummonWhelpCount;
-            uint64 triggerGUID;
-            uint64 tankGUID;
+            ObjectGuid triggerGUID;
+            ObjectGuid tankGUID;
             bool IsMoving;
     };
 
diff --git a/src/server/scripts/Kalimdor/OnyxiasLair/instance_onyxias_lair.cpp b/src/server/scripts/Kalimdor/OnyxiasLair/instance_onyxias_lair.cpp
index 6aa50e71b17..4bbbf26b84e 100644
--- a/src/server/scripts/Kalimdor/OnyxiasLair/instance_onyxias_lair.cpp
+++ b/src/server/scripts/Kalimdor/OnyxiasLair/instance_onyxias_lair.cpp
@@ -53,7 +53,6 @@ public:
             SetHeaders(DataHeader);
             SetBossNumber(EncounterCount);
 
-            onyxiaGUID               = 0;
             onyxiaLiftoffTimer       = 0;
             manyWhelpsCounter        = 0;
             eruptTimer               = 0;
@@ -102,7 +101,7 @@ public:
             }
         }
 
-        void FloorEruption(uint64 floorEruptedGUID)
+        void FloorEruption(ObjectGuid floorEruptedGUID)
         {
             if (GameObject* floorEruption = instance->GetGameObject(floorEruptedGUID))
             {
@@ -121,7 +120,7 @@ public:
                 {
                     if (((*itr)->GetGOInfo()->displayId == 4392 || (*itr)->GetGOInfo()->displayId == 4472) && (*itr)->GetGOInfo()->trap.spellId == 17731)
                     {
-                        uint64 nearFloorGUID = (*itr)->GetGUID();
+                        ObjectGuid nearFloorGUID = (*itr)->GetGUID();
                         if (FloorEruptionGUID[1].find(nearFloorGUID) != FloorEruptionGUID[1].end() && (*FloorEruptionGUID[1].find(nearFloorGUID)).second == 0)
                         {
                             (*FloorEruptionGUID[1].find(nearFloorGUID)).second = (*FloorEruptionGUID[1].find(floorEruptedGUID)).second+1;
@@ -173,7 +172,7 @@ public:
             }
         }
 
-        void SetData64(uint32 type, uint64 data) override
+        void SetGuidData(uint32 type, ObjectGuid data) override
         {
             switch (type)
             {
@@ -185,7 +184,7 @@ public:
             }
         }
 
-        uint64 GetData64(uint32 data) const override
+        ObjectGuid GetGuidData(uint32 data) const override
         {
             switch (data)
             {
@@ -193,7 +192,7 @@ public:
                     return onyxiaGUID;
             }
 
-            return 0;
+            return ObjectGuid::Empty;
         }
 
         void Update(uint32 diff) override
@@ -212,8 +211,8 @@ public:
             {
                 if (eruptTimer <= diff)
                 {
-                    uint64 frontGuid = FloorEruptionGUIDQueue.front();
-                    std::map<uint64, uint32>::iterator itr = FloorEruptionGUID[1].find(frontGuid);
+                    ObjectGuid frontGuid = FloorEruptionGUIDQueue.front();
+                    std::map<ObjectGuid, uint32>::iterator itr = FloorEruptionGUID[1].find(frontGuid);
                     if (itr != FloorEruptionGUID[1].end())
                     {
                         uint32 treeHeight = itr->second;
@@ -252,11 +251,9 @@ public:
         }
 
     protected:
-        std::map<uint64, uint32> FloorEruptionGUID[2];
-        std::queue<uint64> FloorEruptionGUIDQueue;
-        uint64 onyxiaGUID;
-        uint64 triggerGUID;
-        uint64 tankGUID;
+        std::map<ObjectGuid, uint32> FloorEruptionGUID[2];
+        std::queue<ObjectGuid> FloorEruptionGUIDQueue;
+        ObjectGuid onyxiaGUID;
         uint32 onyxiaLiftoffTimer;
         uint32 manyWhelpsCounter;
         uint32 eruptTimer;
diff --git a/src/server/scripts/Kalimdor/RazorfenDowns/instance_razorfen_downs.cpp b/src/server/scripts/Kalimdor/RazorfenDowns/instance_razorfen_downs.cpp
index ca5e6a9828c..8a82f782918 100644
--- a/src/server/scripts/Kalimdor/RazorfenDowns/instance_razorfen_downs.cpp
+++ b/src/server/scripts/Kalimdor/RazorfenDowns/instance_razorfen_downs.cpp
@@ -59,7 +59,6 @@ public:
 
         void Initialize() override
         {
-            goGongGUID      = 0;
             gongWave        = 0;
             fiendsKilled    = 0;
             reaversKilled   = 0;
@@ -172,7 +171,7 @@ public:
         }
 
     protected:
-        uint64 goGongGUID;
+        ObjectGuid goGongGUID;
         uint16 gongWave;
         uint8  fiendsKilled;
         uint8  reaversKilled;
diff --git a/src/server/scripts/Kalimdor/RazorfenKraul/instance_razorfen_kraul.cpp b/src/server/scripts/Kalimdor/RazorfenKraul/instance_razorfen_kraul.cpp
index 6f9ba0afa7b..07cb6e65ee9 100644
--- a/src/server/scripts/Kalimdor/RazorfenKraul/instance_razorfen_kraul.cpp
+++ b/src/server/scripts/Kalimdor/RazorfenKraul/instance_razorfen_kraul.cpp
@@ -44,14 +44,13 @@ public:
     {
         instance_razorfen_kraul_InstanceMapScript(Map* map) : InstanceScript(map) { }
 
-        uint64 DoorWardGUID;
+        ObjectGuid DoorWardGUID;
         int WardKeeperDeath;
 
         void Initialize() override
         {
             SetHeaders(DataHeader);
             WardKeeperDeath = 0;
-            DoorWardGUID = 0;
         }
 
         Player* GetPlayerInMap()
diff --git a/src/server/scripts/Kalimdor/RazorfenKraul/razorfen_kraul.cpp b/src/server/scripts/Kalimdor/RazorfenKraul/razorfen_kraul.cpp
index e3021ff7a95..8cbd611a18a 100644
--- a/src/server/scripts/Kalimdor/RazorfenKraul/razorfen_kraul.cpp
+++ b/src/server/scripts/Kalimdor/RazorfenKraul/razorfen_kraul.cpp
@@ -159,13 +159,12 @@ public:
         npc_snufflenose_gopherAI(Creature* creature) : PetAI(creature)
         {
             IsMovementActive = false;
-            TargetTubberGUID = 0;
         }
 
         void Reset() override
         {
             IsMovementActive = false;
-            TargetTubberGUID = 0;
+            TargetTubberGUID.Clear();
         }
 
         void MovementInform(uint32 type, uint32 id) override
@@ -227,7 +226,7 @@ public:
 
 
         bool IsMovementActive;
-        uint64 TargetTubberGUID;
+        ObjectGuid TargetTubberGUID;
     };
 };
 
diff --git a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_ayamiss.cpp b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_ayamiss.cpp
index 19cc5316fa4..1a09ef27b04 100644
--- a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_ayamiss.cpp
+++ b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_ayamiss.cpp
@@ -200,14 +200,14 @@ class boss_ayamiss : public CreatureScript
                             if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 0, true))
                             {
                                 DoCast(target, SPELL_PARALYZE);
-                                instance->SetData64(DATA_PARALYZED, target->GetGUID());
+                                instance->SetGuidData(DATA_PARALYZED, target->GetGUID());
                                 uint8 Index = urand(0, 1);
                                 me->SummonCreature(NPC_LARVA, LarvaPos[Index], TEMPSUMMON_TIMED_OR_CORPSE_DESPAWN, 30000);
                             }
                             events.ScheduleEvent(EVENT_PARALYZE, 15000);
                             break;
                         case EVENT_SWARMER_ATTACK:
-                            for (std::list<uint64>::iterator i = _swarmers.begin(); i != _swarmers.end(); ++i)
+                            for (GuidList::iterator i = _swarmers.begin(); i != _swarmers.end(); ++i)
                                 if (Creature* swarmer = me->GetMap()->GetCreature(*i))
                                     if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM))
                                         swarmer->AI()->AttackStart(target);
@@ -234,7 +234,7 @@ class boss_ayamiss : public CreatureScript
                 }
             }
         private:
-            std::list<uint64> _swarmers;
+            GuidList _swarmers;
             uint8 _phase;
             bool _enraged;
         };
@@ -261,7 +261,7 @@ class npc_hive_zara_larva : public CreatureScript
             {
                 if (type == POINT_MOTION_TYPE)
                     if (id == POINT_PARALYZE)
-                        if (Player* target = ObjectAccessor::GetPlayer(*me, _instance->GetData64(DATA_PARALYZED)))
+                        if (Player* target = ObjectAccessor::GetPlayer(*me, _instance->GetGuidData(DATA_PARALYZED)))
                             DoCast(target, SPELL_FEED); // Omnomnom
             }
 
diff --git a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_buru.cpp b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_buru.cpp
index cf6703a01f5..d6640b5a0ab 100644
--- a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_buru.cpp
+++ b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_buru.cpp
@@ -76,8 +76,8 @@ class boss_buru : public CreatureScript
             {
                 BossAI::EnterEvadeMode();
 
-                for (std::list<uint64>::iterator i = Eggs.begin(); i != Eggs.end(); ++i)
-                    if (Creature* egg = me->GetMap()->GetCreature(*Eggs.begin()))
+                for (ObjectGuid eggGuid : Eggs)
+                    if (Creature* egg = me->GetMap()->GetCreature(eggGuid))
                         egg->Respawn();
 
                 Eggs.clear();
@@ -127,7 +127,7 @@ class boss_buru : public CreatureScript
                 }
             }
 
-            void ManageRespawn(uint64 EggGUID)
+            void ManageRespawn(ObjectGuid EggGUID)
             {
                 ChaseNewVictim();
                 Eggs.push_back(EggGUID);
@@ -183,8 +183,8 @@ class boss_buru : public CreatureScript
                 DoMeleeAttackIfReady();
             }
         private:
+            GuidList Eggs;
             uint8 _phase;
-            std::list<uint64> Eggs;
         };
 
         CreatureAI* GetAI(Creature* creature) const override
@@ -208,7 +208,7 @@ class npc_buru_egg : public CreatureScript
 
             void EnterCombat(Unit* attacker) override
             {
-                if (Creature* buru = me->GetMap()->GetCreature(_instance->GetData64(DATA_BURU)))
+                if (Creature* buru = me->GetMap()->GetCreature(_instance->GetGuidData(DATA_BURU)))
                     if (!buru->IsInCombat())
                         buru->AI()->AttackStart(attacker);
             }
@@ -216,7 +216,7 @@ class npc_buru_egg : public CreatureScript
             void JustSummoned(Creature* who) override
             {
                 if (who->GetEntry() == NPC_HATCHLING)
-                    if (Creature* buru = me->GetMap()->GetCreature(_instance->GetData64(DATA_BURU)))
+                    if (Creature* buru = me->GetMap()->GetCreature(_instance->GetGuidData(DATA_BURU)))
                         if (Unit* target = buru->AI()->SelectTarget(SELECT_TARGET_RANDOM))
                             who->AI()->AttackStart(target);
             }
@@ -227,7 +227,7 @@ class npc_buru_egg : public CreatureScript
                 DoCastAOE(SPELL_EXPLODE_2, true); // Unknown purpose
                 DoCast(me, SPELL_SUMMON_HATCHLING, true);
 
-                if (Creature* buru = me->GetMap()->GetCreature(_instance->GetData64(DATA_BURU)))
+                if (Creature* buru = me->GetMap()->GetCreature(_instance->GetGuidData(DATA_BURU)))
                     if (boss_buru::boss_buruAI* buruAI = dynamic_cast<boss_buru::boss_buruAI*>(buru->AI()))
                         buruAI->ManageRespawn(me->GetGUID());
             }
diff --git a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_kurinnaxx.cpp b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_kurinnaxx.cpp
index adb6723d2af..776971b1f9f 100644
--- a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_kurinnaxx.cpp
+++ b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_kurinnaxx.cpp
@@ -83,7 +83,7 @@ class boss_kurinnaxx : public CreatureScript
             void JustDied(Unit* /*killer*/) override
             {
                 _JustDied();
-                if (Creature* Ossirian = me->GetMap()->GetCreature(instance->GetData64(DATA_OSSIRIAN)))
+                if (Creature* Ossirian = me->GetMap()->GetCreature(instance->GetGuidData(DATA_OSSIRIAN)))
                     sCreatureTextMgr->SendChat(Ossirian, SAY_KURINAXX_DEATH, NULL, CHAT_MSG_ADDON, LANG_ADDON, TEXT_RANGE_ZONE);
             }
 
diff --git a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_ossirian.cpp b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_ossirian.cpp
index 0180bbeddac..2ba755d3c4e 100644
--- a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_ossirian.cpp
+++ b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/boss_ossirian.cpp
@@ -95,12 +95,12 @@ class boss_ossirian : public CreatureScript
             void Initialize()
             {
                 CrystalIterator = 0;
-                TriggerGUID = 0;
-                CrystalGUID = 0;
+                TriggerGUID.Clear();
+                CrystalGUID.Clear();
             }
 
-            uint64 TriggerGUID;
-            uint64 CrystalGUID;
+            ObjectGuid TriggerGUID;
+            ObjectGuid CrystalGUID;
             uint8 CrystalIterator;
             bool SaidIntro;
 
diff --git a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/instance_ruins_of_ahnqiraj.cpp b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/instance_ruins_of_ahnqiraj.cpp
index 1b62527dab7..0e34f4a5595 100644
--- a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/instance_ruins_of_ahnqiraj.cpp
+++ b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/instance_ruins_of_ahnqiraj.cpp
@@ -30,14 +30,6 @@ class instance_ruins_of_ahnqiraj : public InstanceMapScript
             {
                 SetHeaders(DataHeader);
                 SetBossNumber(NUM_ENCOUNTER);
-
-                _kurinaxxGUID   = 0;
-                _rajaxxGUID     = 0;
-                _moamGUID       = 0;
-                _buruGUID       = 0;
-                _ayamissGUID    = 0;
-                _ossirianGUID   = 0;
-                _paralyzedGUID  = 0;
             }
 
             void OnCreatureCreate(Creature* creature) override
@@ -73,13 +65,13 @@ class instance_ruins_of_ahnqiraj : public InstanceMapScript
                 return true;
             }
 
-            void SetData64(uint32 type, uint64 data) override
+            void SetGuidData(uint32 type, ObjectGuid data) override
             {
                 if (type == DATA_PARALYZED)
                     _paralyzedGUID = data;
             }
 
-            uint64 GetData64(uint32 type) const override
+            ObjectGuid GetGuidData(uint32 type) const override
             {
                 switch (type)
                 {
@@ -99,17 +91,17 @@ class instance_ruins_of_ahnqiraj : public InstanceMapScript
                         return _paralyzedGUID;
                 }
 
-                return 0;
+                return ObjectGuid::Empty;
             }
 
         private:
-            uint64 _kurinaxxGUID;
-            uint64 _rajaxxGUID;
-            uint64 _moamGUID;
-            uint64 _buruGUID;
-            uint64 _ayamissGUID;
-            uint64 _ossirianGUID;
-            uint64 _paralyzedGUID;
+            ObjectGuid _kurinaxxGUID;
+            ObjectGuid _rajaxxGUID;
+            ObjectGuid _moamGUID;
+            ObjectGuid _buruGUID;
+            ObjectGuid _ayamissGUID;
+            ObjectGuid _ossirianGUID;
+            ObjectGuid _paralyzedGUID;
         };
 
         InstanceScript* GetInstanceScript(InstanceMap* map) const override
diff --git a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_bug_trio.cpp b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_bug_trio.cpp
index be103541989..4ed4c3c2e26 100644
--- a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_bug_trio.cpp
+++ b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_bug_trio.cpp
@@ -315,11 +315,11 @@ public:
                 switch (urand(0, 2))
                 {
                     case 0:
-                        if (Creature* kri = ObjectAccessor::GetCreature(*me, instance->GetData64(DATA_KRI)))
+                        if (Creature* kri = ObjectAccessor::GetCreature(*me, instance->GetGuidData(DATA_KRI)))
                             DoCast(kri, SPELL_HEAL);
                         break;
                     case 1:
-                        if (Creature* vem = ObjectAccessor::GetCreature(*me, instance->GetData64(DATA_VEM)))
+                        if (Creature* vem = ObjectAccessor::GetCreature(*me, instance->GetGuidData(DATA_VEM)))
                             DoCast(vem, SPELL_HEAL);
                         break;
                     case 2:
diff --git a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_cthun.cpp b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_cthun.cpp
index c9795133d14..218aa69304c 100644
--- a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_cthun.cpp
+++ b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_cthun.cpp
@@ -307,7 +307,7 @@ public:
                         me->SetReactState(REACT_PASSIVE);
 
                         //Remove any target
-                        me->SetTarget(0);
+                        me->SetTarget(ObjectGuid::Empty);
 
                         //Select random target for dark beam to start on
                         if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0))
@@ -384,7 +384,7 @@ public:
                 //Transition phase
                 case PHASE_CTHUN_TRANSITION:
                     //Remove any target
-                    me->SetTarget(0);
+                    me->SetTarget(ObjectGuid::Empty);
                     me->SetHealth(0);
                     me->SetVisible(false);
                     break;
@@ -420,7 +420,7 @@ public:
                     me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE | UNIT_FLAG_NON_ATTACKABLE);
 
                     //Remove Target field
-                    me->SetTarget(0);
+                    me->SetTarget(ObjectGuid::Empty);
 
                     //Death animation/respawning;
                     instance->SetData(DATA_CTHUN_PHASE, PHASE_CTHUN_TRANSITION);
@@ -475,7 +475,7 @@ public:
             PhaseTimer = 10000;                                 //Emerge in 10 seconds
 
             //No hold player for transition
-            HoldPlayer = 0;
+            HoldPlayer.Clear();
 
             //Body Phase
             EyeTentacleTimer = 30000;
@@ -485,7 +485,7 @@ public:
             StomachAcidTimer = 4000;                            //Every 4 seconds
             StomachEnterTimer = 10000;                          //Every 10 seconds
             StomachEnterVisTimer = 0;                           //Always 3.5 seconds after Stomach Enter Timer
-            StomachEnterTarget = 0;                             //Target to be teleported to stomach
+            StomachEnterTarget.Clear();                         //Target to be teleported to stomach
         }
 
         InstanceScript* instance;
@@ -499,7 +499,7 @@ public:
         //-------------------
 
         //Phase transition
-        uint64 HoldPlayer;
+        ObjectGuid HoldPlayer;
 
         //Body Phase
         uint32 EyeTentacleTimer;
@@ -509,10 +509,10 @@ public:
         uint32 StomachAcidTimer;
         uint32 StomachEnterTimer;
         uint32 StomachEnterVisTimer;
-        uint64 StomachEnterTarget;
+        ObjectGuid StomachEnterTarget;
 
         //Stomach map, bool = true then in stomach
-        std::unordered_map<uint64, bool> Stomach_Map;
+        std::unordered_map<ObjectGuid, bool> Stomach_Map;
 
         void Reset() override
         {
@@ -548,7 +548,7 @@ public:
             if (Stomach_Map.empty())
                 return NULL;
 
-            std::unordered_map<uint64, bool>::const_iterator i = Stomach_Map.begin();
+            std::unordered_map<ObjectGuid, bool>::const_iterator i = Stomach_Map.begin();
 
             std::list<Unit*> temp;
             std::list<Unit*>::const_iterator j;
@@ -610,7 +610,7 @@ public:
                 return;
             }
 
-            me->SetTarget(0);
+            me->SetTarget(ObjectGuid::Empty);
 
             uint32 currentPhase = instance->GetData(DATA_CTHUN_PHASE);
             if (currentPhase == PHASE_CTHUN_STOMACH || currentPhase == PHASE_CTHUN_WEAK)
@@ -680,7 +680,7 @@ public:
                 //Body Phase
                 case PHASE_CTHUN_STOMACH:
                     //Remove Target field
-                    me->SetTarget(0);
+                    me->SetTarget(ObjectGuid::Empty);
 
                     //Weaken
                     if (FleshTentaclesKilled > 1)
@@ -692,7 +692,7 @@ public:
 
                         DoCast(me, SPELL_PURPLE_COLORATION, true);
 
-                        std::unordered_map<uint64, bool>::iterator i = Stomach_Map.begin();
+                        std::unordered_map<ObjectGuid, bool>::iterator i = Stomach_Map.begin();
 
                         //Kick all players out of stomach
                         while (i != Stomach_Map.end())
@@ -724,7 +724,7 @@ public:
                     if (StomachAcidTimer <= diff)
                     {
                         //Apply aura to all players in stomach
-                        std::unordered_map<uint64, bool>::iterator i = Stomach_Map.begin();
+                        std::unordered_map<ObjectGuid, bool>::iterator i = Stomach_Map.begin();
 
                         while (i != Stomach_Map.end())
                         {
@@ -786,7 +786,7 @@ public:
                                 DoTeleportPlayer(unit, STOMACH_X, STOMACH_Y, STOMACH_Z, STOMACH_O);
                             }
 
-                            StomachEnterTarget = 0;
+                            StomachEnterTarget.Clear();
                             StomachEnterVisTimer = 0;
                         } else StomachEnterVisTimer -= diff;
                     }
@@ -913,7 +913,6 @@ public:
             MindflayTimer = 500;
             KillSelfTimer = 35000;
 
-            Portal = 0;
             if (Creature* pPortal = me->SummonCreature(NPC_SMALL_PORTAL, *me, TEMPSUMMON_CORPSE_DESPAWN))
             {
                 pPortal->SetReactState(REACT_PASSIVE);
@@ -925,7 +924,7 @@ public:
 
         uint32 MindflayTimer;
         uint32 KillSelfTimer;
-        uint64 Portal;
+        ObjectGuid Portal;
 
         void JustDied(Unit* /*killer*/) override
         {
@@ -995,7 +994,6 @@ public:
 
             SetCombatMovement(false);
 
-            Portal = 0;
             if (Creature* pPortal = me->SummonCreature(NPC_SMALL_PORTAL, *me, TEMPSUMMON_CORPSE_DESPAWN))
             {
                 pPortal->SetReactState(REACT_PASSIVE);
@@ -1006,7 +1004,7 @@ public:
         uint32 GroundRuptureTimer;
         uint32 HamstringTimer;
         uint32 EvadeTimer;
-        uint64 Portal;
+        ObjectGuid Portal;
 
         void JustDied(Unit* /*killer*/) override
         {
@@ -1111,7 +1109,6 @@ public:
 
             SetCombatMovement(false);
 
-            Portal = 0;
             if (Creature* pPortal = me->SummonCreature(NPC_GIANT_PORTAL, *me, TEMPSUMMON_CORPSE_DESPAWN))
             {
                 pPortal->SetReactState(REACT_PASSIVE);
@@ -1123,7 +1120,7 @@ public:
         uint32 ThrashTimer;
         uint32 HamstringTimer;
         uint32 EvadeTimer;
-        uint64 Portal;
+        ObjectGuid Portal;
 
         void JustDied(Unit* /*killer*/) override
         {
@@ -1233,7 +1230,6 @@ public:
 
             SetCombatMovement(false);
 
-            Portal = 0;
             if (Creature* pPortal = me->SummonCreature(NPC_GIANT_PORTAL, *me, TEMPSUMMON_CORPSE_DESPAWN))
             {
                 pPortal->SetReactState(REACT_PASSIVE);
@@ -1242,7 +1238,7 @@ public:
         }
 
         uint32 BeamTimer;
-        uint64 Portal;
+        ObjectGuid Portal;
 
         void JustDied(Unit* /*killer*/) override
         {
diff --git a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_twinemperors.cpp b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_twinemperors.cpp
index e65dbacc1f2..c653064d62c 100644
--- a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_twinemperors.cpp
+++ b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_twinemperors.cpp
@@ -110,7 +110,7 @@ struct boss_twinemperorsAI : public ScriptedAI
 
     Creature* GetOtherBoss()
     {
-        return ObjectAccessor::GetCreature(*me, instance->GetData64(IAmVeklor() ? DATA_VEKNILASH : DATA_VEKLOR));
+        return ObjectAccessor::GetCreature(*me, instance->GetGuidData(IAmVeklor() ? DATA_VEKNILASH : DATA_VEKLOR));
     }
 
     void DamageTaken(Unit* /*done_by*/, uint32 &damage) override
diff --git a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_viscidus.cpp b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_viscidus.cpp
index 7f223f21269..fe6e0a435a7 100644
--- a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_viscidus.cpp
+++ b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/boss_viscidus.cpp
@@ -272,7 +272,7 @@ class npc_glob_of_viscidus : public CreatureScript
             {
                 InstanceScript* Instance = me->GetInstanceScript();
 
-                if (Creature* Viscidus = me->GetMap()->GetCreature(Instance->GetData64(DATA_VISCIDUS)))
+                if (Creature* Viscidus = me->GetMap()->GetCreature(Instance->GetGuidData(DATA_VISCIDUS)))
                 {
                     if (BossAI* ViscidusAI = dynamic_cast<BossAI*>(Viscidus->GetAI()))
                         ViscidusAI->SummonedCreatureDespawn(me);
diff --git a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/instance_temple_of_ahnqiraj.cpp b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/instance_temple_of_ahnqiraj.cpp
index e6d9bd86a4d..456ff749e84 100644
--- a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/instance_temple_of_ahnqiraj.cpp
+++ b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/instance_temple_of_ahnqiraj.cpp
@@ -45,12 +45,12 @@ class instance_temple_of_ahnqiraj : public InstanceMapScript
             bool IsBossDied[3];
 
             //Storing Skeram, Vem and Kri.
-            uint64 SkeramGUID;
-            uint64 VemGUID;
-            uint64 KriGUID;
-            uint64 VeklorGUID;
-            uint64 VeknilashGUID;
-            uint64 ViscidusGUID;
+            ObjectGuid SkeramGUID;
+            ObjectGuid VemGUID;
+            ObjectGuid KriGUID;
+            ObjectGuid VeklorGUID;
+            ObjectGuid VeknilashGUID;
+            ObjectGuid ViscidusGUID;
 
             uint32 BugTrioDeathCount;
 
@@ -63,13 +63,6 @@ class instance_temple_of_ahnqiraj : public InstanceMapScript
                 IsBossDied[1] = false;
                 IsBossDied[2] = false;
 
-                SkeramGUID = 0;
-                VemGUID = 0;
-                KriGUID = 0;
-                VeklorGUID = 0;
-                VeknilashGUID = 0;
-                ViscidusGUID = 0;
-
                 BugTrioDeathCount = 0;
 
                 CthunPhase = 0;
@@ -134,7 +127,7 @@ class instance_temple_of_ahnqiraj : public InstanceMapScript
                 return 0;
             }
 
-            uint64 GetData64(uint32 identifier) const override
+            ObjectGuid GetGuidData(uint32 identifier) const override
             {
                 switch (identifier)
                 {
@@ -151,8 +144,8 @@ class instance_temple_of_ahnqiraj : public InstanceMapScript
                 case DATA_VISCIDUS:
                     return ViscidusGUID;
                 }
-                return 0;
-            }                                                       // end GetData64
+                return ObjectGuid::Empty;
+            }                                                       // end GetGuidData
 
             void SetData(uint32 type, uint32 data) override
             {
diff --git a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/mob_anubisath_sentinel.cpp b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/mob_anubisath_sentinel.cpp
index b8f6c0ed80e..7b20e5dd8a9 100644
--- a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/mob_anubisath_sentinel.cpp
+++ b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/mob_anubisath_sentinel.cpp
@@ -103,14 +103,16 @@ public:
             gatherOthersWhenAggro = true;
         }
 
-        uint64 NearbyGUID[3];
+        ObjectGuid NearbyGUID[3];
 
         void ClearBuddyList()
         {
-            NearbyGUID[0] = NearbyGUID[1] = NearbyGUID[2] = 0;
+            NearbyGUID[0].Clear();
+            NearbyGUID[1].Clear();
+            NearbyGUID[2].Clear();
         }
 
-        void AddBuddyToList(uint64 CreatureGUID)
+        void AddBuddyToList(ObjectGuid CreatureGUID)
         {
             if (CreatureGUID == me->GetGUID())
                 return;
@@ -130,7 +132,7 @@ public:
         void GiveBuddyMyList(Creature* c)
         {
             aqsentinelAI* cai = ENSURE_AI(aqsentinelAI, (c)->AI());
-            for (int i=0; i<3; ++i)
+            for (int32 i = 0; i < 3; ++i)
                 if (NearbyGUID[i] && NearbyGUID[i] != c->GetGUID())
                     cai->AddBuddyToList(NearbyGUID[i]);
             cai->AddBuddyToList(me->GetGUID());
@@ -138,14 +140,14 @@ public:
 
         void SendMyListToBuddies()
         {
-            for (int i=0; i<3; ++i)
+            for (int32 i = 0; i < 3; ++i)
                 if (Creature* pNearby = ObjectAccessor::GetCreature(*me, NearbyGUID[i]))
                     GiveBuddyMyList(pNearby);
         }
 
         void CallBuddiesToAttack(Unit* who)
         {
-            for (int i=0; i<3; ++i)
+            for (int32 i = 0; i < 3; ++i)
             {
                 Creature* c = ObjectAccessor::GetCreature(*me, NearbyGUID[i]);
                 if (c)
@@ -222,7 +224,7 @@ public:
         {
             if (!me->isDead())
             {
-                for (int i=0; i<3; ++i)
+                for (int i = 0; i < 3; ++i)
                 {
                     if (!NearbyGUID[i])
                         continue;
@@ -252,7 +254,7 @@ public:
 
         void JustDied(Unit* /*killer*/) override
         {
-            for (int ni=0; ni<3; ++ni)
+            for (int ni = 0; ni < 3; ++ni)
             {
                 Creature* sent = ObjectAccessor::GetCreature(*me, NearbyGUID[ni]);
                 if (!sent)
diff --git a/src/server/scripts/Kalimdor/WailingCaverns/instance_wailing_caverns.cpp b/src/server/scripts/Kalimdor/WailingCaverns/instance_wailing_caverns.cpp
index bb2fc8bca20..5d7202588a9 100644
--- a/src/server/scripts/Kalimdor/WailingCaverns/instance_wailing_caverns.cpp
+++ b/src/server/scripts/Kalimdor/WailingCaverns/instance_wailing_caverns.cpp
@@ -46,7 +46,7 @@ public:
         uint32 m_auiEncounter[MAX_ENCOUNTER];
 
         bool yelled;
-        uint64 NaralexGUID;
+        ObjectGuid NaralexGUID;
 
         void Initialize() override
         {
@@ -54,7 +54,6 @@ public:
             memset(&m_auiEncounter, 0, sizeof(m_auiEncounter));
 
             yelled = false;
-            NaralexGUID = 0;
         }
 
         void OnCreatureCreate(Creature* creature) override
@@ -99,10 +98,10 @@ public:
             return 0;
         }
 
-        uint64 GetData64(uint32 data) const override
+        ObjectGuid GetGuidData(uint32 data) const override
         {
             if (data == DATA_NARALEX)return NaralexGUID;
-            return 0;
+            return ObjectGuid::Empty;
         }
 
         std::string GetSaveData() override
diff --git a/src/server/scripts/Kalimdor/WailingCaverns/wailing_caverns.cpp b/src/server/scripts/Kalimdor/WailingCaverns/wailing_caverns.cpp
index bb872421197..522d6eee464 100644
--- a/src/server/scripts/Kalimdor/WailingCaverns/wailing_caverns.cpp
+++ b/src/server/scripts/Kalimdor/WailingCaverns/wailing_caverns.cpp
@@ -259,7 +259,7 @@ public:
                                 ++eventProgress;
                                 eventTimer = 15000;
                                 //CAST_AI(npc_escort::npc_escortAI, me->AI())->SetCanDefend(false);
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                     DoCast(naralex, SPELL_NARALEXS_AWAKENING, true);
                                 Talk(EMOTE_AWAKENING_RITUAL);
                             }
@@ -268,7 +268,7 @@ public:
                             {
                                 ++eventProgress;
                                 eventTimer = 15000;
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                     naralex->AI()->Talk(EMOTE_TROUBLED_SLEEP);
                                 me->SummonCreature(NPC_DEVIATE_MOCCASIN, 135.943f, 199.701f, -103.529f, 0, TEMPSUMMON_CORPSE_TIMED_DESPAWN, 15000);
                                 me->SummonCreature(NPC_DEVIATE_MOCCASIN, 151.08f,  221.13f,  -103.609f, 0, TEMPSUMMON_CORPSE_TIMED_DESPAWN, 15000);
@@ -279,7 +279,7 @@ public:
                             {
                                 ++eventProgress;
                                 eventTimer = 30000;
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                     naralex->AI()->Talk(EMOTE_WRITHE_IN_AGONY);
                                 me->SummonCreature(NPC_NIGHTMARE_ECTOPLASM, 133.413f, 207.188f, -102.469f, 0, TEMPSUMMON_CORPSE_TIMED_DESPAWN, 15000);
                                 me->SummonCreature(NPC_NIGHTMARE_ECTOPLASM, 142.857f, 218.645f, -102.905f, 0, TEMPSUMMON_CORPSE_TIMED_DESPAWN, 15000);
@@ -293,7 +293,7 @@ public:
                             if (eventProgress == 5)
                             {
                                 ++eventProgress;
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                     naralex->AI()->Talk(EMOTE_HORRENDOUS_VISION);
                                 me->SummonCreature(NPC_MUTANUS_THE_DEVOURER, 150.872f, 262.905f, -103.503f, 0, TEMPSUMMON_CORPSE_TIMED_DESPAWN, 300000);
                                 Talk(SAY_MUTANUS_THE_DEVOURER);
@@ -304,7 +304,7 @@ public:
                             {
                                 ++eventProgress;
                                 eventTimer = 3000;
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                 {
                                     if (me->HasAura(SPELL_NARALEXS_AWAKENING))
                                         me->RemoveAura(SPELL_NARALEXS_AWAKENING);
@@ -318,7 +318,7 @@ public:
                             {
                                 ++eventProgress;
                                 eventTimer = 6000;
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                     naralex->AI()->Talk(SAY_THANK_YOU);
                             }
                             else
@@ -326,7 +326,7 @@ public:
                             {
                                 ++eventProgress;
                                 eventTimer = 8000;
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                 {
                                     naralex->AI()->Talk(SAY_FAREWELL);
                                     naralex->AddAura(SPELL_FLIGHT_FORM, naralex);
@@ -340,7 +340,7 @@ public:
                             {
                                 ++eventProgress;
                                 eventTimer = 1500;
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                     naralex->GetMotionMaster()->MovePoint(25, naralex->GetPositionX(), naralex->GetPositionY(), naralex->GetPositionZ());
                             }
                             else
@@ -348,7 +348,7 @@ public:
                             {
                                 ++eventProgress;
                                 eventTimer = 2500;
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                 {
                                     naralex->GetMotionMaster()->MovePoint(0, 117.095512f, 247.107971f, -96.167870f);
                                     naralex->GetMotionMaster()->MovePoint(1, 90.388809f, 276.135406f, -83.389801f);
@@ -359,7 +359,7 @@ public:
                             else
                             if (eventProgress == 11)
                             {
-                                if (Creature* naralex = instance->instance->GetCreature(instance->GetData64(DATA_NARALEX)))
+                                if (Creature* naralex = instance->instance->GetCreature(instance->GetGuidData(DATA_NARALEX)))
                                     naralex->SetVisible(false);
                                 me->SetVisible(false);
                                 instance->SetData(TYPE_NARALEX_PART3, DONE);
diff --git a/src/server/scripts/Kalimdor/ZulFarrak/instance_zulfarrak.cpp b/src/server/scripts/Kalimdor/ZulFarrak/instance_zulfarrak.cpp
index 83f1724130c..393028e0446 100644
--- a/src/server/scripts/Kalimdor/ZulFarrak/instance_zulfarrak.cpp
+++ b/src/server/scripts/Kalimdor/ZulFarrak/instance_zulfarrak.cpp
@@ -111,13 +111,13 @@ public:
         instance_zulfarrak_InstanceMapScript(Map* map) : InstanceScript(map) { }
 
         uint32 GahzRillaEncounter;
-        uint64 ZumrahGUID;
-        uint64 BlyGUID;
-        uint64 WeegliGUID;
-        uint64 OroGUID;
-        uint64 RavenGUID;
-        uint64 MurtaGUID;
-        uint64 EndDoorGUID;
+        ObjectGuid ZumrahGUID;
+        ObjectGuid BlyGUID;
+        ObjectGuid WeegliGUID;
+        ObjectGuid OroGUID;
+        ObjectGuid RavenGUID;
+        ObjectGuid MurtaGUID;
+        ObjectGuid EndDoorGUID;
         uint32 PyramidPhase;
         uint32 major_wave_Timer;
         uint32 minor_wave_Timer;
@@ -127,14 +127,6 @@ public:
         void Initialize() override
         {
             SetHeaders(DataHeader);
-            GahzRillaEncounter = NOT_STARTED;
-            ZumrahGUID = 0;
-            BlyGUID = 0;
-            WeegliGUID = 0;
-            OroGUID = 0;
-            RavenGUID = 0;
-            MurtaGUID = 0;
-            EndDoorGUID = 0;
             PyramidPhase = 0;
             major_wave_Timer = 0;
             minor_wave_Timer = 0;
@@ -198,7 +190,7 @@ public:
             return 0;
         }
 
-        uint64 GetData64(uint32 data) const override
+        ObjectGuid GetGuidData(uint32 data) const override
         {
             switch (data)
             {
@@ -217,7 +209,7 @@ public:
                 case GO_END_DOOR:
                     return EndDoorGUID;
             }
-            return 0;
+            return ObjectGuid::Empty;
         }
 
         void SetData(uint32 type, uint32 data) override
@@ -315,11 +307,11 @@ public:
             };
         }
 
-        std::list<uint64> addsAtBase, movedadds;
+        GuidList addsAtBase, movedadds;
 
         void MoveNPCIfAlive(uint32 entry, float x, float y, float z, float o)
         {
-           if (Creature* npc = instance->GetCreature(GetData64(entry)))
+           if (Creature* npc = instance->GetCreature(GetGuidData(entry)))
            {
                if (npc->IsAlive())
                {
@@ -346,7 +338,7 @@ public:
 
         bool IsWaveAllDead()
         {
-            for (std::list<uint64>::iterator itr = addsAtBase.begin(); itr != addsAtBase.end(); ++itr)
+            for (GuidList::iterator itr = addsAtBase.begin(); itr != addsAtBase.end(); ++itr)
             {
                 if (Creature* add = instance->GetCreature((*itr)))
                 {
@@ -354,7 +346,7 @@ public:
                         return false;
                 }
             }
-            for (std::list<uint64>::iterator itr = movedadds.begin(); itr != movedadds.end(); ++itr)
+            for (GuidList::iterator itr = movedadds.begin(); itr != movedadds.end(); ++itr)
             {
                 if (Creature* add = instance->GetCreature(((*itr))))
                 {
diff --git a/src/server/scripts/Kalimdor/ZulFarrak/zulfarrak.cpp b/src/server/scripts/Kalimdor/ZulFarrak/zulfarrak.cpp
index 47d269a00ff..443bd1578d7 100644
--- a/src/server/scripts/Kalimdor/ZulFarrak/zulfarrak.cpp
+++ b/src/server/scripts/Kalimdor/ZulFarrak/zulfarrak.cpp
@@ -108,7 +108,6 @@ public:
             instance = creature->GetInstanceScript();
             postGossipStep = 0;
             Text_Timer = 0;
-            PlayerGUID = 0;
         }
 
         void Initialize()
@@ -123,7 +122,7 @@ public:
         uint32 Text_Timer;
         uint32 ShieldBash_Timer;
         uint32 Revenge_Timer;                                   //this is wrong, spell should never be used unless me->GetVictim() dodge, parry or block attack. Trinity support required.
-        uint64 PlayerGUID;
+        ObjectGuid PlayerGUID;
 
         void Reset() override
         {
@@ -142,7 +141,7 @@ public:
                     {
                         case 1:
                             //weegli doesn't fight - he goes & blows up the door
-                            if (Creature* pWeegli = instance->instance->GetCreature(instance->GetData64(ENTRY_WEEGLI)))
+                            if (Creature* pWeegli = instance->instance->GetCreature(instance->GetGuidData(ENTRY_WEEGLI)))
                                 pWeegli->AI()->DoAction(0);
                             Talk(SAY_1);
                             Text_Timer = 5000;
@@ -195,7 +194,7 @@ public:
 
         void switchFactionIfAlive(uint32 entry)
         {
-           if (Creature* crew = ObjectAccessor::GetCreature(*me, instance->GetData64(entry)))
+           if (Creature* crew = ObjectAccessor::GetCreature(*me, instance->GetGuidData(entry)))
                if (crew->IsAlive())
                    crew->setFaction(FACTION_HOSTILE);
         }
@@ -230,7 +229,7 @@ public:
 private:
     void initBlyCrewMember(InstanceScript* instance, uint32 entry, float x, float y, float z)
     {
-        if (Creature* crew = instance->instance->GetCreature(instance->GetData64(entry)))
+        if (Creature* crew = instance->instance->GetCreature(instance->GetGuidData(entry)))
         {
             crew->SetReactState(REACT_AGGRESSIVE);
             crew->SetWalk(true);
@@ -370,7 +369,7 @@ public:
             else
                 if (destroyingDoor)
                 {
-                    instance->DoUseDoorOrButton(instance->GetData64(GO_END_DOOR));
+                    instance->DoUseDoorOrButton(instance->GetGuidData(GO_END_DOOR));
                     /// @todo leave the area...
                     me->DespawnOrUnsummon();
                 };
diff --git a/src/server/scripts/Kalimdor/zone_azshara.cpp b/src/server/scripts/Kalimdor/zone_azshara.cpp
index cec94617454..542e04a7dd5 100644
--- a/src/server/scripts/Kalimdor/zone_azshara.cpp
+++ b/src/server/scripts/Kalimdor/zone_azshara.cpp
@@ -314,7 +314,7 @@ public:
             MustDieTimer = 3000;
             CurrWP = 0;
 
-            PlayerGUID = 0;
+            PlayerGUID.Clear();
 
             MustDie = false;
             Escape = false;
@@ -453,7 +453,7 @@ public:
         }
 
     private:
-        uint64 PlayerGUID;
+        ObjectGuid PlayerGUID;
         uint32 SpellEscapeTimer;
         uint32 TeleportTimer;
         uint32 CheckTimer;
diff --git a/src/server/scripts/Kalimdor/zone_azuremyst_isle.cpp b/src/server/scripts/Kalimdor/zone_azuremyst_isle.cpp
index e6869dbf0f5..c6f4e9d0ee6 100644
--- a/src/server/scripts/Kalimdor/zone_azuremyst_isle.cpp
+++ b/src/server/scripts/Kalimdor/zone_azuremyst_isle.cpp
@@ -68,7 +68,7 @@ public:
 
         void Initialize()
         {
-            pCaster = 0;
+            pCaster.Clear();
 
             SayThanksTimer = 0;
             RunAwayTimer = 0;
@@ -77,7 +77,7 @@ public:
             CanSayHelp = true;
         }
 
-        uint64 pCaster;
+        ObjectGuid pCaster;
 
         uint32 SayThanksTimer;
         uint32 RunAwayTimer;
@@ -431,13 +431,13 @@ public:
 
         void Initialize()
         {
-            SparkGUID = 0;
+            SparkGUID.Clear();
             Step = 0;
             EventStarted = false;
             SayTimer = 0;
         }
 
-        uint64 SparkGUID;
+        ObjectGuid SparkGUID;
 
         uint8 Step;
         uint32 SayTimer;
@@ -528,7 +528,7 @@ public:
 
             for (std::list<Player*>::const_iterator itr = players.begin(); itr != players.end(); ++itr)
                 if ((*itr)->GetQuestStatus(QUEST_TREES_COMPANY) == QUEST_STATUS_INCOMPLETE && (*itr)->HasAura(SPELL_TREE_DISGUISE))
-                    (*itr)->KilledMonsterCredit(NPC_SPARK, 0);
+                    (*itr)->KilledMonsterCredit(NPC_SPARK);
         }
 
         void DespawnNagaFlag(bool despawn)
@@ -687,7 +687,7 @@ class npc_stillpine_capitive : public CreatureScript
 
             void Initialize()
             {
-                _playerGUID = 0;
+                _playerGUID.Clear();
                 _movementComplete = false;
             }
 
@@ -737,7 +737,7 @@ class npc_stillpine_capitive : public CreatureScript
             }
 
         private:
-            uint64 _playerGUID;
+            ObjectGuid _playerGUID;
             EventMap _events;
             bool _movementComplete;
         };
diff --git a/src/server/scripts/Kalimdor/zone_bloodmyst_isle.cpp b/src/server/scripts/Kalimdor/zone_bloodmyst_isle.cpp
index 81a175b57b7..5e2f4519b1e 100644
--- a/src/server/scripts/Kalimdor/zone_bloodmyst_isle.cpp
+++ b/src/server/scripts/Kalimdor/zone_bloodmyst_isle.cpp
@@ -64,7 +64,7 @@ public:
             {
                 case 0:
                     if (Player* player = killer->ToPlayer())
-                        player->KilledMonsterCredit(NPC_EXPEDITION_RESEARCHER, 0);
+                        player->KilledMonsterCredit(NPC_EXPEDITION_RESEARCHER);
                     break;
                 case 1:
                 case 2:
diff --git a/src/server/scripts/Kalimdor/zone_desolace.cpp b/src/server/scripts/Kalimdor/zone_desolace.cpp
index 0a56253cabd..7247286388a 100644
--- a/src/server/scripts/Kalimdor/zone_desolace.cpp
+++ b/src/server/scripts/Kalimdor/zone_desolace.cpp
@@ -103,7 +103,7 @@ public:
     {
         if (player->HasAura(SPELL_KODO_KOMBO_PLAYER_BUFF) && creature->HasAura(SPELL_KODO_KOMBO_DESPAWN_BUFF))
         {
-            player->TalkedToCreature(creature->GetEntry(), 0);
+            player->TalkedToCreature(creature->GetEntry(), ObjectGuid::Empty);
             player->RemoveAurasDueToSpell(SPELL_KODO_KOMBO_PLAYER_BUFF);
         }
 
diff --git a/src/server/scripts/Kalimdor/zone_durotar.cpp b/src/server/scripts/Kalimdor/zone_durotar.cpp
index e2f8dd0854d..d0bda5d73cb 100644
--- a/src/server/scripts/Kalimdor/zone_durotar.cpp
+++ b/src/server/scripts/Kalimdor/zone_durotar.cpp
@@ -242,8 +242,7 @@ class npc_tiger_matriarch : public CreatureScript
 
         struct npc_tiger_matriarchAI : public ScriptedAI
         {
-            npc_tiger_matriarchAI(Creature* creature) : ScriptedAI(creature),
-                _tigerGuid(0)
+            npc_tiger_matriarchAI(Creature* creature) : ScriptedAI(creature)
             {
             }
 
@@ -343,7 +342,7 @@ class npc_tiger_matriarch : public CreatureScript
 
         private:
             EventMap _events;
-            uint64 _tigerGuid;
+            ObjectGuid _tigerGuid;
         };
 
         CreatureAI* GetAI(Creature* creature) const override
diff --git a/src/server/scripts/Kalimdor/zone_dustwallow_marsh.cpp b/src/server/scripts/Kalimdor/zone_dustwallow_marsh.cpp
index ee244e51b09..9f5e7bdf29d 100644
--- a/src/server/scripts/Kalimdor/zone_dustwallow_marsh.cpp
+++ b/src/server/scripts/Kalimdor/zone_dustwallow_marsh.cpp
@@ -655,7 +655,7 @@ public:
         if (Creature* prisoner = go->FindNearestCreature(NPC_THERAMORE_PRISONER, 1.0f))
         {
             if (player)
-                player->KilledMonsterCredit(NPC_THERAMORE_PRISONER, 0);
+                player->KilledMonsterCredit(NPC_THERAMORE_PRISONER);
 
             prisoner->AI()->Talk(SAY_FREE); // We also emote cry here (handled in creature_text.emote)
             prisoner->DespawnOrUnsummon(6000);
diff --git a/src/server/scripts/Kalimdor/zone_moonglade.cpp b/src/server/scripts/Kalimdor/zone_moonglade.cpp
index 268db8da779..c8d880e66b7 100644
--- a/src/server/scripts/Kalimdor/zone_moonglade.cpp
+++ b/src/server/scripts/Kalimdor/zone_moonglade.cpp
@@ -299,7 +299,7 @@ public:
         npc_clintar_spiritAI(Creature* creature) : npc_escortAI(creature)
         {
             Initialize();
-            PlayerGUID = 0;
+            PlayerGUID.Clear();
         }
 
         void Initialize()
@@ -307,7 +307,7 @@ public:
             Step = 0;
             CurrWP = 0;
             EventTimer = 0;
-            PlayerGUID = 0;
+            PlayerGUID.Clear();
             checkPlayerTimer = 1000;
             EventOnWait = false;
         }
@@ -317,7 +317,7 @@ public:
         uint32 EventTimer;
         uint32 checkPlayerTimer;
 
-        uint64 PlayerGUID;
+        ObjectGuid PlayerGUID;
 
         bool EventOnWait;
 
@@ -358,7 +358,7 @@ public:
             if (player && player->GetQuestStatus(10965) == QUEST_STATUS_INCOMPLETE)
             {
                 player->FailQuest(10965);
-                PlayerGUID = 0;
+                PlayerGUID.Clear();
                 Reset();
             }
         }
@@ -536,7 +536,7 @@ public:
                                 break;
                             case 2:
                                 player->TalkedToCreature(me->GetEntry(), me->GetGUID());
-                                PlayerGUID = 0;
+                                PlayerGUID.Clear();
                                 Reset();
                                 me->setDeathState(JUST_DIED);
                                 break;
diff --git a/src/server/scripts/Kalimdor/zone_mulgore.cpp b/src/server/scripts/Kalimdor/zone_mulgore.cpp
index 289d7282ac6..31f3dffe70a 100644
--- a/src/server/scripts/Kalimdor/zone_mulgore.cpp
+++ b/src/server/scripts/Kalimdor/zone_mulgore.cpp
@@ -71,14 +71,14 @@ public:
         {
             EventActive = false;
             IsMovingToLunch = false;
-            PlayerGUID = 0;
+            PlayerGUID.Clear();
             EventTimer = 5000;
             EventPhase = 0;
         }
 
         bool EventActive;
         bool IsMovingToLunch;
-        uint64 PlayerGUID;
+        ObjectGuid PlayerGUID;
         uint32 EventTimer;
         uint8 EventPhase;
 
diff --git a/src/server/scripts/Kalimdor/zone_orgrimmar.cpp b/src/server/scripts/Kalimdor/zone_orgrimmar.cpp
index fd666b7fcd7..6097937f9d5 100644
--- a/src/server/scripts/Kalimdor/zone_orgrimmar.cpp
+++ b/src/server/scripts/Kalimdor/zone_orgrimmar.cpp
@@ -75,14 +75,14 @@ public:
             CanEmote = false;
             SaluteTimer = 6000;
             ResetTimer = 0;
-            PlayerGUID = 0;
+            PlayerGUID.Clear();
         }
 
         bool CanTalk;
         bool CanEmote;
         uint32 SaluteTimer;
         uint32 ResetTimer;
-        uint64 PlayerGUID;
+        ObjectGuid PlayerGUID;
 
         void Reset() override
         {
diff --git a/src/server/scripts/Kalimdor/zone_silithus.cpp b/src/server/scripts/Kalimdor/zone_silithus.cpp
index 55f36779145..c977f1aee52 100644
--- a/src/server/scripts/Kalimdor/zone_silithus.cpp
+++ b/src/server/scripts/Kalimdor/zone_silithus.cpp
@@ -97,7 +97,7 @@ public:
             case GOSSIP_ACTION_INFO_DEF + 6:
                 player->SEND_GOSSIP_MENU(7761, creature->GetGUID());
                                                                 //'kill' our trigger to update quest status
-                player->KilledMonsterCredit(TRIGGER_RUTGAR, 0);
+                player->KilledMonsterCredit(TRIGGER_RUTGAR);
                 break;
 
             case GOSSIP_ACTION_INFO_DEF + 9:
@@ -123,7 +123,7 @@ public:
             case GOSSIP_ACTION_INFO_DEF + 14:
                 player->SEND_GOSSIP_MENU(7767, creature->GetGUID());
                                                                 //'kill' our trigger to update quest status
-                player->KilledMonsterCredit(TRIGGER_FRANKAL, 0);
+                player->KilledMonsterCredit(TRIGGER_FRANKAL);
                 break;
         }
         return true;
@@ -431,24 +431,24 @@ public:
         {
             AnimationTimer = 1500;
             AnimationCount = 0;
-            AnachronosQuestTriggerGUID = 0;
-            MerithraGUID = 0;
-            ArygosGUID = 0;
-            CaelestraszGUID = 0;
-            FandralGUID = 0;
-            PlayerGUID = 0;
+            AnachronosQuestTriggerGUID.Clear();
+            MerithraGUID.Clear();
+            ArygosGUID.Clear();
+            CaelestraszGUID.Clear();
+            FandralGUID.Clear();
+            PlayerGUID.Clear();
             eventEnd = false;
         }
 
         uint32 AnimationTimer;
         uint8 AnimationCount;
 
-        uint64 AnachronosQuestTriggerGUID;
-        uint64 MerithraGUID;
-        uint64 ArygosGUID;
-        uint64 CaelestraszGUID;
-        uint64 FandralGUID;
-        uint64 PlayerGUID;
+        ObjectGuid AnachronosQuestTriggerGUID;
+        ObjectGuid MerithraGUID;
+        ObjectGuid ArygosGUID;
+        ObjectGuid CaelestraszGUID;
+        ObjectGuid FandralGUID;
+        ObjectGuid PlayerGUID;
         bool eventEnd;
 
         void Reset() override
@@ -485,7 +485,7 @@ public:
                         Fandral->AI()->Talk(FANDRAL_SAY_1, me);
                         break;
                     case 2:
-                        Fandral->SetTarget(0);
+                        Fandral->SetTarget(ObjectGuid::Empty);
                         Merithra->AI()->Talk(MERITHRA_EMOTE_1);
                         break;
                     case 3:
@@ -502,7 +502,7 @@ public:
                         Merithra->AI()->Talk(MERITHRA_SAY_2);
                         break;
                     case 7:
-                        Caelestrasz->SetTarget(0);
+                        Caelestrasz->SetTarget(ObjectGuid::Empty);
                         Merithra->GetMotionMaster()->MoveCharge(-8065, 1530, 2.61f, 10);
                         break;
                     case 8:
@@ -769,14 +769,14 @@ public:
 
         void Initialize()
         {
-            MobGUID = 0;
-            PlayerGUID = 0;
+            MobGUID.Clear();
+            PlayerGUID.Clear();
             Timers = false;
             hasTarget = false;
         }
 
-        uint64 MobGUID;
-        uint64 PlayerGUID;
+        ObjectGuid MobGUID;
+        ObjectGuid PlayerGUID;
         uint32 SpellTimer1, SpellTimer2, SpellTimer3, SpellTimer4;
         bool Timers;
         bool hasTarget;
@@ -890,7 +890,7 @@ public:
 
         void Initialize()
         {
-            PlayerGUID = 0;
+            PlayerGUID.Clear();
 
             WaveTimer = 2000;
             AnnounceTimer = 1000;
@@ -902,7 +902,7 @@ public:
             Failed = false;
         }
 
-        uint64 PlayerGUID;
+        ObjectGuid PlayerGUID;
 
         uint32 WaveTimer;
         uint32 AnnounceTimer;
diff --git a/src/server/scripts/Kalimdor/zone_tanaris.cpp b/src/server/scripts/Kalimdor/zone_tanaris.cpp
index fce0608faaf..ec2fa7b398e 100644
--- a/src/server/scripts/Kalimdor/zone_tanaris.cpp
+++ b/src/server/scripts/Kalimdor/zone_tanaris.cpp
@@ -546,14 +546,14 @@ public:
             PostEventTimer = 1000;
             PhasePostEvent = 0;
 
-            TortaGUID = 0;
+            TortaGUID.Clear();
         }
 
         uint32 CheckSpeechTimer;
         uint32 PostEventTimer;
         uint32 PhasePostEvent;
 
-        uint64 TortaGUID;
+        ObjectGuid TortaGUID;
 
         void Reset() override
         {
diff --git a/src/server/scripts/Kalimdor/zone_the_barrens.cpp b/src/server/scripts/Kalimdor/zone_the_barrens.cpp
index 03507c77efb..535253222e0 100644
--- a/src/server/scripts/Kalimdor/zone_the_barrens.cpp
+++ b/src/server/scripts/Kalimdor/zone_the_barrens.cpp
@@ -333,14 +333,14 @@ public:
             WaveTimer = 600000;
             ChallengerChecker = 0;
             Wave = 0;
-            PlayerGUID = 0;
+            PlayerGUID.Clear();
 
             for (uint8 i = 0; i < 6; ++i)
             {
-                AffrayChallenger[i] = 0;
+                AffrayChallenger[i].Clear();
                 ChallengerDown[i] = false;
             }
-            BigWill = 0;
+            BigWill.Clear();
         }
 
         bool EventInProgress;
@@ -350,9 +350,9 @@ public:
         uint8 Wave;
         uint32 WaveTimer;
         uint32 ChallengerChecker;
-        uint64 PlayerGUID;
-        uint64 AffrayChallenger[6];
-        uint64 BigWill;
+        ObjectGuid PlayerGUID;
+        ObjectGuid AffrayChallenger[6];
+        ObjectGuid BigWill;
 
         void Reset() override
         {
diff --git a/src/server/scripts/Kalimdor/zone_ungoro_crater.cpp b/src/server/scripts/Kalimdor/zone_ungoro_crater.cpp
index ea4c743b8a5..9596f8a04f6 100644
--- a/src/server/scripts/Kalimdor/zone_ungoro_crater.cpp
+++ b/src/server/scripts/Kalimdor/zone_ungoro_crater.cpp
@@ -212,14 +212,14 @@ public:
             FaintTimer = urand(30000, 60000);
             EndEventProgress = 0;
             EndEventTimer = 1000;
-            SpraggleGUID = 0;
+            SpraggleGUID.Clear();
         }
 
         uint32 FaintTimer;
         uint32 EndEventProgress;
         uint32 EndEventTimer;
 
-        uint64 SpraggleGUID;
+        ObjectGuid SpraggleGUID;
 
         void Reset() override
         {
diff --git a/src/server/scripts/Kalimdor/zone_winterspring.cpp b/src/server/scripts/Kalimdor/zone_winterspring.cpp
index 58d9b115398..ee73d9b27a9 100644
--- a/src/server/scripts/Kalimdor/zone_winterspring.cpp
+++ b/src/server/scripts/Kalimdor/zone_winterspring.cpp
@@ -318,11 +318,6 @@ public:
             DialogueHelper(introDialogue)
         {
             Initialize();
-            _firstPriestessGUID = 0;
-            _secondPriestessGUID = 0;
-            _guardEluneGUID = 0;
-            _voiceEluneGUID = 0;
-            _altarGUID = 0;
         }
 
         void Initialize()
@@ -332,11 +327,11 @@ public:
 
         uint32 _delayTimer;
 
-        uint64 _firstPriestessGUID;
-        uint64 _secondPriestessGUID;
-        uint64 _guardEluneGUID;
-        uint64 _voiceEluneGUID;
-        uint64 _altarGUID;
+        ObjectGuid _firstPriestessGUID;
+        ObjectGuid _secondPriestessGUID;
+        ObjectGuid _guardEluneGUID;
+        ObjectGuid _voiceEluneGUID;
+        ObjectGuid _altarGUID;
 
         void Reset() override
         {