Scripts/Misc: Remove few more evil flags

Ref #25764

(cherry picked from commit 180f495c7037dc3be61a33dee5745833fd993d4c)

2 files changed, 9 insertions, 15 deletions

diff --git a/src/server/scripts/Northrend/Nexus/Nexus/boss_keristrasza.cpp b/src/server/scripts/Northrend/Nexus/Nexus/boss_keristrasza.cpp
index ee03e9bebca..1c5e8e8d981 100644
--- a/src/server/scripts/Northrend/Nexus/Nexus/boss_keristrasza.cpp
+++ b/src/server/scripts/Northrend/Nexus/Nexus/boss_keristrasza.cpp
@@ -80,8 +80,6 @@ struct boss_keristrasza : public BossAI
         Initialize();
         _intenseColdList.clear();
 
-        me->RemoveUnitFlag(UNIT_FLAG_STUNNED);
-
         RemovePrison(CheckContainmentSpheres());
         _Reset();
     }
@@ -132,15 +130,13 @@ struct boss_keristrasza : public BossAI
     {
         if (remove)
         {
-            me->SetImmuneToPC(false);
-            me->RemoveUnitFlag(UNIT_FLAG_NON_ATTACKABLE);
+            me->SetImmuneToAll(false);
             if (me->HasAura(SPELL_FROZEN_PRISON))
                 me->RemoveAurasDueToSpell(SPELL_FROZEN_PRISON);
         }
         else
         {
-            me->SetImmuneToPC(true);
-            me->AddUnitFlag(UNIT_FLAG_NON_ATTACKABLE);
+            me->SetImmuneToAll(true);
             DoCast(me, SPELL_FROZEN_PRISON, false);
         }
     }
diff --git a/src/server/scripts/Northrend/Ulduar/HallsOfLightning/boss_ionar.cpp b/src/server/scripts/Northrend/Ulduar/HallsOfLightning/boss_ionar.cpp
index 7731b2ec600..d0fed8e2e5a 100644
--- a/src/server/scripts/Northrend/Ulduar/HallsOfLightning/boss_ionar.cpp
+++ b/src/server/scripts/Northrend/Ulduar/HallsOfLightning/boss_ionar.cpp
@@ -37,9 +37,11 @@ enum Spells
     SPELL_SPARK_DESPAWN                           = 52776,
 
     // Spark of Ionar
-    SPELL_SPARK_VISUAL_TRIGGER                    = 52667
+    SPELL_RANDOM_LIGHTNING_VISUAL                 = 52663
 };
 
+#define SPELL_SPARK_VISUAL_TRIGGER DUNGEON_MODE<uint32>(52667,59833)
+
 enum Yells
 {
     SAY_AGGRO                                     = 0,
@@ -168,6 +170,7 @@ struct boss_ionar : public ScriptedAI
             {
                 if (pSpark->IsAlive())
                 {
+                    pSpark->SetReactState(REACT_PASSIVE);
                     pSpark->SetSpeedRate(MOVE_RUN, 2.0f);
                     pSpark->GetMotionMaster()->Clear();
                     pSpark->GetMotionMaster()->MovePoint(DATA_POINT_CALLBACK, pos);
@@ -190,8 +193,6 @@ struct boss_ionar : public ScriptedAI
         {
             lSparkList.Summon(summoned);
 
-            summoned->CastSpell(summoned, SPELL_SPARK_VISUAL_TRIGGER, true);
-
             if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
             {
                 summoned->SetInCombatWith(target);
@@ -307,7 +308,8 @@ struct npc_spark_of_ionar : public ScriptedAI
     void Reset() override
     {
         Initialize();
-        me->SetReactState(REACT_PASSIVE);
+        DoCastSelf(SPELL_SPARK_VISUAL_TRIGGER);
+        DoCastSelf(SPELL_RANDOM_LIGHTNING_VISUAL);
     }
 
     void MovementInform(uint32 uiType, uint32 uiPointId) override
@@ -319,11 +321,6 @@ struct npc_spark_of_ionar : public ScriptedAI
             me->DespawnOrUnsummon();
     }
 
-    void DamageTaken(Unit* /*pDoneBy*/, uint32 &uiDamage) override
-    {
-        uiDamage = 0;
-    }
-
     void UpdateAI(uint32 uiDiff) override
     {
         // Despawn if the encounter is not running
@@ -343,6 +340,7 @@ struct npc_spark_of_ionar : public ScriptedAI
                 {
                     Position pos = ionar->GetPosition();
 
+                    me->SetReactState(REACT_PASSIVE);
                     me->SetSpeedRate(MOVE_RUN, 2.0f);
                     me->GetMotionMaster()->Clear();
                     me->GetMotionMaster()->MovePoint(DATA_POINT_CALLBACK, pos);