Core/Misc: Replace NULL with nullptr

14 files changed, 96 insertions, 96 deletions

diff --git a/src/server/scripts/Spells/spell_dk.cpp b/src/server/scripts/Spells/spell_dk.cpp
index 19f4018af10..dd7cd8504c4 100644
--- a/src/server/scripts/Spells/spell_dk.cpp
+++ b/src/server/scripts/Spells/spell_dk.cpp
@@ -862,7 +862,7 @@ class spell_dk_pvp_4p_bonus : public SpellScriptLoader
             void HandleProc(AuraEffect const* /*aurEff*/, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                eventInfo.GetActionTarget()->CastSpell((Unit*)nullptr, SPELL_DK_RUNIC_RETURN, true);
+                eventInfo.GetActionTarget()->CastSpell(nullptr, SPELL_DK_RUNIC_RETURN, true);
             }
 
             void Register() override
@@ -899,7 +899,7 @@ class spell_dk_raise_dead : public SpellScriptLoader
                 if (GetCaster()->HasAura(SPELL_DK_SLUDGE_BELCHER))
                     spellId = SPELL_DK_SLUDGE_BELCHER_SUMMON;
 
-                GetCaster()->CastSpell((Unit*)nullptr, spellId, true);
+                GetCaster()->CastSpell(nullptr, spellId, true);
             }
 
             void Register() override
diff --git a/src/server/scripts/Spells/spell_druid.cpp b/src/server/scripts/Spells/spell_druid.cpp
index b0e52234c13..1075e7b0324 100644
--- a/src/server/scripts/Spells/spell_druid.cpp
+++ b/src/server/scripts/Spells/spell_druid.cpp
@@ -561,7 +561,7 @@ class spell_dru_omen_of_clarity : public SpellScriptLoader
             {
                 Unit* target = GetTarget();
                 if (target->HasAura(SPELL_DRUID_BALANCE_T10_BONUS))
-                    target->CastSpell((Unit*)nullptr, SPELL_DRUID_BALANCE_T10_BONUS_PROC, true, nullptr);
+                    target->CastSpell(nullptr, SPELL_DRUID_BALANCE_T10_BONUS_PROC, true, nullptr);
             }
 
             void Register() override
@@ -927,7 +927,7 @@ class spell_dru_t3_8p_bonus : public SpellScriptLoader
                     return;
 
                 int32 amount = CalculatePct(m->Amount, aurEff->GetAmount());
-                caster->CastCustomSpell(SPELL_DRUID_EXHILARATE, SPELLVALUE_BASE_POINT0, amount, (Unit*)nullptr, true, nullptr, aurEff);
+                caster->CastCustomSpell(SPELL_DRUID_EXHILARATE, SPELLVALUE_BASE_POINT0, amount, nullptr, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -961,7 +961,7 @@ class spell_dru_t4_2p_bonus : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                eventInfo.GetActor()->CastSpell((Unit*)nullptr, SPELL_DRUID_INFUSION, true, nullptr, aurEff);
+                eventInfo.GetActor()->CastSpell(nullptr, SPELL_DRUID_INFUSION, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1204,7 +1204,7 @@ class spell_dru_item_t6_trinket : public SpellScriptLoader
                     return;
 
                 if (roll_chance_i(chance))
-                    eventInfo.GetActor()->CastSpell((Unit*)nullptr, spellId, true, nullptr, aurEff);
+                    eventInfo.GetActor()->CastSpell(nullptr, spellId, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1358,7 +1358,7 @@ class spell_dru_t10_restoration_4p_bonus_dummy : public SpellScriptLoader
                 PreventDefaultAction();
 
                 int32 amount = static_cast<int32>(eventInfo.GetHealInfo()->GetHeal());
-                eventInfo.GetActor()->CastCustomSpell(SPELL_DRUID_REJUVENATION_T10_PROC, SPELLVALUE_BASE_POINT0, amount, (Unit*)nullptr, true, nullptr, aurEff);
+                eventInfo.GetActor()->CastCustomSpell(SPELL_DRUID_REJUVENATION_T10_PROC, SPELLVALUE_BASE_POINT0, amount, nullptr, true, nullptr, aurEff);
             }
 
             void Register() override
diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index de38535a865..04e62359620 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -730,7 +730,7 @@ class spell_gen_cannibalize : public SpellScriptLoader
             {
                 Unit* caster = GetCaster();
                 float max_range = GetSpellInfo()->GetMaxRange(false);
-                WorldObject* result = NULL;
+                WorldObject* result = nullptr;
                 // search for nearby enemy corpse in range
                 Trinity::AnyDeadUnitSpellTargetInRangeCheck check(caster, max_range, GetSpellInfo(), TARGET_CHECK_ENEMY);
                 Trinity::WorldObjectSearcher<Trinity::AnyDeadUnitSpellTargetInRangeCheck> searcher(caster, result, check);
@@ -784,7 +784,7 @@ class spell_gen_chaos_blast : public SpellScriptLoader
                 int32 basepoints0 = 100;
                 Unit* caster = GetCaster();
                 if (Unit* target = GetHitUnit())
-                    caster->CastCustomSpell(target, SPELL_CHAOS_BLAST, &basepoints0, NULL, NULL, true);
+                    caster->CastCustomSpell(target, SPELL_CHAOS_BLAST, &basepoints0, nullptr, nullptr, true);
             }
 
             void Register() override
@@ -1224,7 +1224,7 @@ class spell_gen_defend : public SpellScriptLoader
                     for (uint8 i = 0; i < GetSpellInfo()->StackAmount; ++i)
                         target->RemoveAurasDueToSpell(SPELL_VISUAL_SHIELD_1 + i);
 
-                    target->CastSpell(target, SPELL_VISUAL_SHIELD_1 + GetAura()->GetStackAmount() - 1, true, NULL, aurEff);
+                    target->CastSpell(target, SPELL_VISUAL_SHIELD_1 + GetAura()->GetStackAmount() - 1, true, nullptr, aurEff);
                 }
                 else
                     GetTarget()->RemoveAurasDueToSpell(GetId());
@@ -1496,7 +1496,7 @@ class spell_gen_elune_candle : public SpellScriptLoader
                 else
                     spellId = SPELL_ELUNE_CANDLE_NORMAL;
 
-                GetCaster()->CastSpell(GetHitUnit(), spellId, true, NULL);
+                GetCaster()->CastSpell(GetHitUnit(), spellId, true, nullptr);
             }
 
             void Register() override
@@ -1727,7 +1727,7 @@ class spell_gen_interrupt : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_GEN_THROW_INTERRUPT, true, NULL, aurEff);
+                GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_GEN_THROW_INTERRUPT, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1804,7 +1804,7 @@ class spell_gen_lifebloom : public SpellScriptLoader
                     return;
 
                 // final heal
-                GetTarget()->CastSpell(GetTarget(), _spellId, true, NULL, aurEff, GetCasterGUID());
+                GetTarget()->CastSpell(GetTarget(), _spellId, true, nullptr, aurEff, GetCasterGUID());
             }
 
             void Register() override
@@ -2016,7 +2016,7 @@ public:
         void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
         {
             PreventDefaultAction();
-            eventInfo.GetActionTarget()->CastSpell((Unit*)nullptr, SPELL_FALL_DOWN, true, nullptr, aurEff);
+            eventInfo.GetActionTarget()->CastSpell(nullptr, SPELL_FALL_DOWN, true, nullptr, aurEff);
         }
 
         void Register() override
@@ -2205,7 +2205,7 @@ class spell_gen_obsidian_armor : public SpellScriptLoader
                     default:
                         return;
                 }
-                GetTarget()->CastSpell(GetTarget(), spellId, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), spellId, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -2336,7 +2336,7 @@ class spell_gen_paralytic_poison : public SpellScriptLoader
                 if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_EXPIRE)
                     return;
 
-                GetTarget()->CastSpell((Unit*)nullptr, SPELL_PARALYSIS, true, nullptr, aurEff);
+                GetTarget()->CastSpell(nullptr, SPELL_PARALYSIS, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -3013,7 +3013,7 @@ class spell_gen_summon_elemental : public SpellScriptLoader
                 if (GetCaster())
                     if (Unit* owner = GetCaster()->GetOwner())
                         if (owner->GetTypeId() == TYPEID_PLAYER) /// @todo this check is maybe wrong
-                            owner->ToPlayer()->RemovePet(NULL, PET_SAVE_NOT_IN_SLOT, true);
+                            owner->ToPlayer()->RemovePet(nullptr, PET_SAVE_NOT_IN_SLOT, true);
             }
 
             void Register() override
@@ -3299,7 +3299,7 @@ class spell_pvp_trinket_wotf_shared_cd : public SpellScriptLoader
                 */
 
                 // Spell flags need further research, until then just cast not triggered
-                GetCaster()->CastSpell((Unit*)nullptr, Triggered, false);
+                GetCaster()->CastSpell(nullptr, Triggered, false);
             }
 
             void Register() override
@@ -3336,7 +3336,7 @@ class spell_gen_turkey_marker : public SpellScriptLoader
 
                 // on stack 15 cast the achievement crediting spell
                 if (GetStackAmount() >= 15)
-                    target->CastSpell(target, SPELL_TURKEY_VENGEANCE, true, NULL, aurEff, GetCasterGUID());
+                    target->CastSpell(target, SPELL_TURKEY_VENGEANCE, true, nullptr, aurEff, GetCasterGUID());
             }
 
             void OnPeriodic(AuraEffect const* /*aurEff*/)
@@ -3599,7 +3599,7 @@ class spell_gen_whisper_gulch_yogg_saron_whisper : public SpellScriptLoader
             void HandleEffectPeriodic(AuraEffect const* /*aurEff*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell((Unit*)NULL, SPELL_YOGG_SARON_WHISPER_DUMMY, true);
+                GetTarget()->CastSpell(nullptr, SPELL_YOGG_SARON_WHISPER_DUMMY, true);
             }
 
             void Register() override
@@ -4314,7 +4314,7 @@ class spell_gen_mark_of_kazrogal_hellfire : public SpellScriptLoader
 
                 if (target->GetPower(POWER_MANA) == 0)
                 {
-                    target->CastSpell(target, SPELL_MARK_OF_KAZROGAL_DAMAGE_HELLFIRE, true, NULL, aurEff);
+                    target->CastSpell(target, SPELL_MARK_OF_KAZROGAL_DAMAGE_HELLFIRE, true, nullptr, aurEff);
                     // Remove aura
                     SetDuration(0);
                 }
diff --git a/src/server/scripts/Spells/spell_holiday.cpp b/src/server/scripts/Spells/spell_holiday.cpp
index 63a47165b54..0c1ac135092 100644
--- a/src/server/scripts/Spells/spell_holiday.cpp
+++ b/src/server/scripts/Spells/spell_holiday.cpp
@@ -561,7 +561,7 @@ class spell_pilgrims_bounty_feast_on : public SpellScriptLoader
                         if (Player* player = target->ToPlayer())
                         {
                             player->CastSpell(player, SPELL_ON_PLATE_EAT_VISUAL, true);
-                            caster->CastSpell(player, _spellId, true, NULL, NULL, player->GetGUID());
+                            caster->CastSpell(player, _spellId, true, nullptr, nullptr, player->GetGUID());
                         }
 
                 if (Aura* aura = caster->GetAura(GetEffectValue()))
diff --git a/src/server/scripts/Spells/spell_hunter.cpp b/src/server/scripts/Spells/spell_hunter.cpp
index f51d7730b8e..a51932e62b6 100644
--- a/src/server/scripts/Spells/spell_hunter.cpp
+++ b/src/server/scripts/Spells/spell_hunter.cpp
@@ -287,7 +287,7 @@ class spell_hun_exhilaration : public SpellScriptLoader
             void HandleOnHit()
             {
                 if (GetCaster()->HasAura(SPELL_HUNTER_EXHILARATION_R2) && !GetCaster()->HasAura(SPELL_HUNTER_LONE_WOLF))
-                    GetCaster()->CastSpell((Unit*)nullptr, SPELL_HUNTER_EXHILARATION_PET, true);
+                    GetCaster()->CastSpell(nullptr, SPELL_HUNTER_EXHILARATION_PET, true);
             }
 
             void Register() override
@@ -363,7 +363,7 @@ class spell_hun_improved_mend_pet : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(GetTarget(), SPELL_HUNTER_IMPROVED_MEND_PET, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_HUNTER_IMPROVED_MEND_PET, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -398,7 +398,7 @@ class spell_hun_last_stand_pet : public SpellScriptLoader
             {
                 Unit* caster = GetCaster();
                 int32 healthModSpellBasePoints0 = int32(caster->CountPctFromMaxHealth(30));
-                caster->CastCustomSpell(caster, SPELL_HUNTER_PET_LAST_STAND_TRIGGERED, &healthModSpellBasePoints0, NULL, NULL, true, NULL);
+                caster->CastCustomSpell(caster, SPELL_HUNTER_PET_LAST_STAND_TRIGGERED, &healthModSpellBasePoints0, nullptr, nullptr, true, nullptr);
             }
 
             void Register() override
@@ -473,7 +473,7 @@ class spell_hun_masters_call : public SpellScriptLoader
 
             void HandleScriptEffect(SpellEffIndex /*effIndex*/)
             {
-                GetHitUnit()->CastSpell((Unit*)nullptr, SPELL_HUNTER_MASTERS_CALL_TRIGGERED, true);
+                GetHitUnit()->CastSpell(nullptr, SPELL_HUNTER_MASTERS_CALL_TRIGGERED, true);
             }
 
             void Register() override
@@ -523,7 +523,7 @@ class spell_hun_misdirection : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(GetTarget(), SPELL_HUNTER_MISDIRECTION_PROC, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_HUNTER_MISDIRECTION_PROC, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -632,7 +632,7 @@ class spell_hun_pet_carrion_feeder : public SpellScriptLoader
             {
                 Unit* caster = GetCaster();
                 float max_range = GetSpellInfo()->GetMaxRange(false);
-                WorldObject* result = NULL;
+                WorldObject* result = nullptr;
                 // search for nearby enemy corpse in range
                 Trinity::AnyDeadUnitSpellTargetInRangeCheck check(caster, max_range, GetSpellInfo(), TARGET_CHECK_ENEMY);
                 Trinity::WorldObjectSearcher<Trinity::AnyDeadUnitSpellTargetInRangeCheck> searcher(caster, result, check);
@@ -774,7 +774,7 @@ class spell_hun_ready_set_aim : public SpellScriptLoader
             {
                 if (GetStackAmount() == 5)
                 {
-                    GetTarget()->CastSpell(GetTarget(), SPELL_HUNTER_FIRE, true, NULL, aurEff);
+                    GetTarget()->CastSpell(GetTarget(), SPELL_HUNTER_FIRE, true, nullptr, aurEff);
                     GetTarget()->RemoveAura(GetId());
                 }
             }
@@ -898,7 +898,7 @@ class spell_hun_sniper_training : public SpellScriptLoader
                     Unit* target = GetTarget();
                     uint32 spellId = SPELL_HUNTER_SNIPER_TRAINING_BUFF_R1 + GetId() - SPELL_HUNTER_SNIPER_TRAINING_R1;
 
-                    target->CastSpell(target, spellId, true, 0, aurEff);
+                    target->CastSpell(target, spellId, true, nullptr, aurEff);
                     if (Player* playerTarget = GetUnitOwner()->ToPlayer())
                     {
                         int32 baseAmount = aurEff->GetBaseAmount();
@@ -1119,7 +1119,7 @@ class spell_hun_tnt : public SpellScriptLoader
             void HandleEffectProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(GetTarget(), SPELL_HUNTER_LOCK_AND_LOAD, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_HUNTER_LOCK_AND_LOAD, true, nullptr, aurEff);
             }
 
             void Register() override
diff --git a/src/server/scripts/Spells/spell_item.cpp b/src/server/scripts/Spells/spell_item.cpp
index 2c32c6fd220..44482061590 100644
--- a/src/server/scripts/Spells/spell_item.cpp
+++ b/src/server/scripts/Spells/spell_item.cpp
@@ -104,7 +104,7 @@ class spell_item_aegis_of_preservation : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(GetTarget(), SPELL_AEGIS_HEAL, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_AEGIS_HEAL, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -224,7 +224,7 @@ class spell_item_anger_capacitor : public SpellScriptLoader
                 Unit* caster = eventInfo.GetActor();
                 Unit* target = eventInfo.GetProcTarget();
 
-                caster->CastSpell((Unit*)nullptr, SPELL_MOTE_OF_ANGER, true);
+                caster->CastSpell(nullptr, SPELL_MOTE_OF_ANGER, true);
                 Aura const* motes = caster->GetAura(SPELL_MOTE_OF_ANGER);
                 if (!motes || motes->GetStackAmount() < Stacks)
                     return;
@@ -756,7 +756,7 @@ class spell_item_desperate_defense : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(GetTarget(), SPELL_DESPERATE_RAGE, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_DESPERATE_RAGE, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -805,7 +805,7 @@ class spell_item_deviate_fish : public SpellScriptLoader
             {
                 Unit* caster = GetCaster();
                 uint32 spellId = urand(SPELL_SLEEPY, SPELL_HEALTHY_SPIRIT);
-                caster->CastSpell(caster, spellId, true, NULL);
+                caster->CastSpell(caster, spellId, true, nullptr);
             }
 
             void Register() override
@@ -843,7 +843,7 @@ class spell_item_discerning_eye_beast_dummy : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                eventInfo.GetActor()->CastSpell((Unit*)nullptr, SPELL_DISCERNING_EYE_BEAST, true, nullptr, aurEff);
+                eventInfo.GetActor()->CastSpell(nullptr, SPELL_DISCERNING_EYE_BEAST, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1039,7 +1039,7 @@ class spell_item_frozen_shadoweave : public SpellScriptLoader
 
                 int32 amount = CalculatePct(static_cast<int32>(damageInfo->GetDamage()), aurEff->GetAmount());
                 Unit* caster = eventInfo.GetActor();
-                caster->CastCustomSpell(SPELL_SHADOWMEND, SPELLVALUE_BASE_POINT0, amount, (Unit*)nullptr, true, nullptr, aurEff);
+                caster->CastCustomSpell(SPELL_SHADOWMEND, SPELLVALUE_BASE_POINT0, amount, nullptr, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1123,7 +1123,7 @@ public:
 
         void HandleProc(ProcEventInfo& /*eventInfo*/)
         {
-            GetTarget()->CastSpell((Unit*)nullptr, SPELL_FORCEFIELD_COLLAPSE, true);
+            GetTarget()->CastSpell(nullptr, SPELL_FORCEFIELD_COLLAPSE, true);
         }
 
         void Register() override
@@ -1203,7 +1203,7 @@ class spell_item_heartpierce : public SpellScriptLoader
                         return;
                 }
 
-                caster->CastSpell((Unit*)nullptr, spellId, true, nullptr, aurEff);
+                caster->CastSpell(nullptr, spellId, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1304,7 +1304,7 @@ class spell_item_make_a_wish : public SpellScriptLoader
                     case 3: spellId = SPELL_SUMMON_FURIOUS_MR_PINCHY; break;
                     case 4: spellId = SPELL_TINY_MAGICAL_CRAWDAD; break;
                 }
-                caster->CastSpell(caster, spellId, true, NULL);
+                caster->CastSpell(caster, spellId, true, nullptr);
             }
 
             void Register() override
@@ -1348,7 +1348,7 @@ class spell_item_mark_of_conquest : public SpellScriptLoader
                     // in that case, do not cast heal spell
                     PreventDefaultAction();
                     // but mana instead
-                    eventInfo.GetActor()->CastSpell((Unit*)nullptr, SPELL_MARK_OF_CONQUEST_ENERGIZE, true, nullptr, aurEff);
+                    eventInfo.GetActor()->CastSpell(nullptr, SPELL_MARK_OF_CONQUEST_ENERGIZE, true, nullptr, aurEff);
                 }
             }
 
@@ -1700,7 +1700,7 @@ class spell_item_pet_healing : public SpellScriptLoader
 
                 int32 bp = CalculatePct(static_cast<int32>(damageInfo->GetDamage()), aurEff->GetAmount());
                 Unit* caster = eventInfo.GetActor();
-                caster->CastCustomSpell(SPELL_HEALTH_LINK, SPELLVALUE_BASE_POINT0, bp, (Unit*)nullptr, true, nullptr, aurEff);
+                caster->CastCustomSpell(SPELL_HEALTH_LINK, SPELLVALUE_BASE_POINT0, bp, nullptr, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1784,7 +1784,7 @@ class spell_item_savory_deviate_delight : public SpellScriptLoader
                     // Yaaarrrr - pirate
                     case 2: spellId = (caster->getGender() == GENDER_MALE ? SPELL_YAAARRRR_MALE : SPELL_YAAARRRR_FEMALE); break;
                 }
-                caster->CastSpell(caster, spellId, true, NULL);
+                caster->CastSpell(caster, spellId, true, nullptr);
             }
 
             void Register() override
@@ -1985,14 +1985,14 @@ class spell_item_shadowmourne : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(GetTarget(), SPELL_SHADOWMOURNE_SOUL_FRAGMENT, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_SHADOWMOURNE_SOUL_FRAGMENT, true, nullptr, aurEff);
 
                 // this can't be handled in AuraScript of SoulFragments because we need to know victim
                 if (Aura* soulFragments = GetTarget()->GetAura(SPELL_SHADOWMOURNE_SOUL_FRAGMENT))
                 {
                     if (soulFragments->GetStackAmount() >= 10)
                     {
-                        GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_SHADOWMOURNE_CHAOS_BANE_DAMAGE, true, NULL, aurEff);
+                        GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_SHADOWMOURNE_CHAOS_BANE_DAMAGE, true, nullptr, aurEff);
                         soulFragments->Remove();
                     }
                 }
@@ -2175,7 +2175,7 @@ class spell_item_swift_hand_justice_dummy : public SpellScriptLoader
 
                 Unit* caster = eventInfo.GetActor();
                 int32 amount = caster->CountPctFromMaxHealth(aurEff->GetAmount());
-                caster->CastCustomSpell(SPELL_SWIFT_HAND_OF_JUSTICE_HEAL, SPELLVALUE_BASE_POINT0, amount, (Unit*)nullptr, true, nullptr, aurEff);
+                caster->CastCustomSpell(SPELL_SWIFT_HAND_OF_JUSTICE_HEAL, SPELLVALUE_BASE_POINT0, amount, nullptr, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -2260,7 +2260,7 @@ class spell_item_underbelly_elixir : public SpellScriptLoader
                     case 1: spellId = SPELL_UNDERBELLY_ELIXIR_TRIGGERED1; break;
                     case 2: spellId = SPELL_UNDERBELLY_ELIXIR_TRIGGERED2; break;
                 }
-                caster->CastSpell(caster, spellId, true, NULL);
+                caster->CastSpell(caster, spellId, true, nullptr);
             }
 
             void Register() override
@@ -2823,7 +2823,7 @@ class spell_item_purify_helboar_meat : public SpellScriptLoader
             void HandleDummy(SpellEffIndex /* effIndex */)
             {
                 Unit* caster = GetCaster();
-                caster->CastSpell(caster, roll_chance_i(50) ? SPELL_SUMMON_PURIFIED_HELBOAR_MEAT : SPELL_SUMMON_TOXIC_HELBOAR_MEAT, true, NULL);
+                caster->CastSpell(caster, roll_chance_i(50) ? SPELL_SUMMON_PURIFIED_HELBOAR_MEAT : SPELL_SUMMON_TOXIC_HELBOAR_MEAT, true, nullptr);
             }
 
             void Register() override
@@ -2864,7 +2864,7 @@ class spell_item_crystal_prison_dummy_dnd : public SpellScriptLoader
                 if (Creature* target = GetHitCreature())
                     if (target->isDead() && !target->IsPet())
                     {
-                        GetCaster()->SummonGameObject(OBJECT_IMPRISONED_DOOMGUARD, *target, QuaternionData::fromEulerAnglesZYX(target->GetOrientation(), 0.0f, 0.0f), uint32(target->GetRespawnTime()-time(NULL)));
+                        GetCaster()->SummonGameObject(OBJECT_IMPRISONED_DOOMGUARD, *target, QuaternionData::fromEulerAnglesZYX(target->GetOrientation(), 0.0f, 0.0f), uint32(target->GetRespawnTime()-time(nullptr)));
                         target->DespawnOrUnsummon();
                     }
             }
@@ -3172,7 +3172,7 @@ class spell_item_complete_raptor_capture : public SpellScriptLoader
                     GetHitCreature()->DespawnOrUnsummon();
 
                     //cast spell Raptor Capture Credit
-                    caster->CastSpell(caster, SPELL_RAPTOR_CAPTURE_CREDIT, true, NULL);
+                    caster->CastSpell(caster, SPELL_RAPTOR_CAPTURE_CREDIT, true, nullptr);
                 }
             }
 
@@ -3414,7 +3414,7 @@ class spell_item_rocket_boots : public SpellScriptLoader
                     bg->EventPlayerDroppedFlag(caster);
 
                 caster->GetSpellHistory()->ResetCooldown(SPELL_ROCKET_BOOTS_PROC);
-                caster->CastSpell(caster, SPELL_ROCKET_BOOTS_PROC, true, NULL);
+                caster->CastSpell(caster, SPELL_ROCKET_BOOTS_PROC, true, nullptr);
             }
 
             SpellCastResult CheckCast()
diff --git a/src/server/scripts/Spells/spell_mage.cpp b/src/server/scripts/Spells/spell_mage.cpp
index ec0993b2939..42b33aa8d8f 100644
--- a/src/server/scripts/Spells/spell_mage.cpp
+++ b/src/server/scripts/Spells/spell_mage.cpp
@@ -355,7 +355,7 @@ class spell_mage_imp_mana_gems : public AuraScript
     void HandleProc(AuraEffect const* /*aurEff*/, ProcEventInfo& eventInfo)
     {
         PreventDefaultAction();
-        eventInfo.GetActor()->CastSpell((Unit*)nullptr, SPELL_MAGE_MANA_SURGE, true);
+        eventInfo.GetActor()->CastSpell(nullptr, SPELL_MAGE_MANA_SURGE, true);
     }
 
     void Register() override
diff --git a/src/server/scripts/Spells/spell_paladin.cpp b/src/server/scripts/Spells/spell_paladin.cpp
index 3d43d162418..75e873604c4 100644
--- a/src/server/scripts/Spells/spell_paladin.cpp
+++ b/src/server/scripts/Spells/spell_paladin.cpp
@@ -144,8 +144,8 @@ class spell_pal_ardent_defender : public SpellScriptLoader
                         : float(defenseSkillValue) / float(reqDefForMaxHeal);
 
                     int32 healAmount = int32(victim->CountPctFromMaxHealth(uint32(healPct * pctFromDefense)));
-                    victim->CastCustomSpell(victim, PAL_SPELL_ARDENT_DEFENDER_HEAL, &healAmount, NULL, NULL, true, NULL, aurEff);
-                    victim->ToPlayer()->AddSpellCooldown(PAL_SPELL_ARDENT_DEFENDER_HEAL, 0, time(NULL) + 120);
+                    victim->CastCustomSpell(victim, PAL_SPELL_ARDENT_DEFENDER_HEAL, &healAmount, nullptr, nullptr, true, nullptr, aurEff);
+                    victim->ToPlayer()->AddSpellCooldown(PAL_SPELL_ARDENT_DEFENDER_HEAL, 0, time(nullptr) + 120);
                 }
                 else if (remainingHealth < int32(allowedHealth))
                 {
@@ -262,7 +262,7 @@ class spell_pal_avenging_wrath : public SpellScriptLoader
                 if (AuraEffect const* aurEff = target->GetAuraEffectOfRankedSpell(SPELL_PALADIN_SANCTIFIED_WRATH_TALENT_R1, EFFECT_2))
                 {
                     int32 basepoints = aurEff->GetAmount();
-                    target->CastCustomSpell(target, SPELL_PALADIN_SANCTIFIED_WRATH, &basepoints, &basepoints, NULL, true, NULL, aurEff);
+                    target->CastCustomSpell(target, SPELL_PALADIN_SANCTIFIED_WRATH, &basepoints, &basepoints, nullptr, true, nullptr, aurEff);
                 }
             }
 
@@ -435,7 +435,7 @@ class spell_pal_divine_shield : public SpellScript
     void HandleFinalStand()
     {
         if (GetCaster()->HasAura(SPELL_PALADIN_FINAL_STAND))
-            GetCaster()->CastSpell((Unit*)nullptr, SPELL_PALADIN_FINAL_STAND_EFFECT, true);
+            GetCaster()->CastSpell(nullptr, SPELL_PALADIN_FINAL_STAND_EFFECT, true);
     }
 
     void TriggerForbearance()
@@ -616,7 +616,7 @@ class spell_pal_eye_for_an_eye : public SpellScriptLoader
                     return;
 
                 int32 damage = CalculatePct(damageInfo->GetDamage(), aurEff->GetAmount());
-                GetTarget()->CastCustomSpell(SPELL_PALADIN_EYE_FOR_AN_EYE_DAMAGE, SPELLVALUE_BASE_POINT0, damage, eventInfo.GetProcTarget(), true, NULL, aurEff);
+                GetTarget()->CastCustomSpell(SPELL_PALADIN_EYE_FOR_AN_EYE_DAMAGE, SPELLVALUE_BASE_POINT0, damage, eventInfo.GetProcTarget(), true, nullptr, aurEff);
             }
 
             void Register() override
@@ -843,7 +843,7 @@ class spell_pal_item_healing_discount : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(GetTarget(), SPELL_PALADIN_ITEM_HEALING_TRANCE, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_PALADIN_ITEM_HEALING_TRANCE, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1302,7 +1302,7 @@ class spell_pal_seal_of_righteousness : public SpellScriptLoader
                 int32 holy = GetTarget()->SpellBaseDamageBonusDone(SPELL_SCHOOL_MASK_HOLY);
                 holy += eventInfo.GetProcTarget()->SpellBaseDamageBonusTaken(SPELL_SCHOOL_MASK_HOLY);
                 int32 bp = int32((ap * 0.022f + 0.044f * holy) * GetTarget()->GetBaseAttackTime(BASE_ATTACK) / 1000);
-                GetTarget()->CastCustomSpell(SPELL_PALADIN_SEAL_OF_RIGHTEOUSNESS, SPELLVALUE_BASE_POINT0, bp, eventInfo.GetProcTarget(), true, NULL, aurEff);
+                GetTarget()->CastCustomSpell(SPELL_PALADIN_SEAL_OF_RIGHTEOUSNESS, SPELLVALUE_BASE_POINT0, bp, eventInfo.GetProcTarget(), true, nullptr, aurEff);
             }
 
             void Register() override
diff --git a/src/server/scripts/Spells/spell_priest.cpp b/src/server/scripts/Spells/spell_priest.cpp
index 34a09aa9150..6e663381abb 100644
--- a/src/server/scripts/Spells/spell_priest.cpp
+++ b/src/server/scripts/Spells/spell_priest.cpp
@@ -306,7 +306,7 @@ class spell_pri_body_and_soul : public SpellScriptLoader
                 if (!(eventInfo.GetDamageInfo()->GetSpellInfo()->SpellFamilyFlags[0] & 0x1 || eventInfo.GetDamageInfo()->GetSpellInfo()->SpellFamilyFlags[2] & 0x80000))
                     return;
 
-                GetTarget()->CastCustomSpell(SPELL_PRIEST_BODY_AND_SOUL_SPEED, SPELLVALUE_BASE_POINT0, aurEff->GetAmount(), eventInfo.GetProcTarget(), true, NULL, aurEff);
+                GetTarget()->CastCustomSpell(SPELL_PRIEST_BODY_AND_SOUL_SPEED, SPELLVALUE_BASE_POINT0, aurEff->GetAmount(), eventInfo.GetProcTarget(), true, nullptr, aurEff);
             }
 
             void HandleEffectDispelProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
@@ -317,7 +317,7 @@ class spell_pri_body_and_soul : public SpellScriptLoader
                     return;
 
                 if (roll_chance_i(aurEff->GetAmount()))
-                    GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_PRIEST_BODY_AND_SOUL_DISPEL, true, NULL, aurEff);
+                    GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_PRIEST_BODY_AND_SOUL_DISPEL, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -543,7 +543,7 @@ class spell_pri_glyph_of_prayer_of_healing : public SpellScriptLoader
 
                 SpellInfo const* triggeredSpellInfo = sSpellMgr->AssertSpellInfo(SPELL_PRIEST_GLYPH_OF_PRAYER_OF_HEALING_HEAL, GetCastDifficulty());
                 int32 heal = int32(CalculatePct(healInfo->GetHeal(), aurEff->GetAmount()) / triggeredSpellInfo->GetMaxTicks());
-                GetTarget()->CastCustomSpell(SPELL_PRIEST_GLYPH_OF_PRAYER_OF_HEALING_HEAL, SPELLVALUE_BASE_POINT0, heal, eventInfo.GetProcTarget(), true, NULL, aurEff);
+                GetTarget()->CastCustomSpell(SPELL_PRIEST_GLYPH_OF_PRAYER_OF_HEALING_HEAL, SPELLVALUE_BASE_POINT0, heal, eventInfo.GetProcTarget(), true, nullptr, aurEff);
             }
 
             void Register() override
@@ -639,7 +639,7 @@ class spell_pri_guardian_spirit : public SpellScriptLoader
                 int32 healAmount = int32(target->CountPctFromMaxHealth(healPct));
                 // remove the aura now, we don't want 40% healing bonus
                 Remove(AURA_REMOVE_BY_ENEMY_SPELL);
-                target->CastCustomSpell(target, SPELL_PRIEST_GUARDIAN_SPIRIT_HEAL, &healAmount, NULL, NULL, true);
+                target->CastCustomSpell(target, SPELL_PRIEST_GUARDIAN_SPIRIT_HEAL, &healAmount, nullptr, nullptr, true);
                 absorbAmount = dmgInfo.GetDamage();
             }
 
@@ -712,10 +712,10 @@ class spell_pri_item_t6_trinket : public SpellScriptLoader
                 PreventDefaultAction();
                 Unit* caster = eventInfo.GetActor();
                 if (eventInfo.GetSpellTypeMask() & PROC_SPELL_TYPE_HEAL)
-                    caster->CastSpell((Unit*)nullptr, SPELL_PRIEST_DIVINE_BLESSING, true);
+                    caster->CastSpell(nullptr, SPELL_PRIEST_DIVINE_BLESSING, true);
 
                 if (eventInfo.GetSpellTypeMask() & PROC_SPELL_TYPE_DAMAGE)
-                    caster->CastSpell((Unit*)nullptr, SPELL_PRIEST_DIVINE_WRATH, true);
+                    caster->CastSpell(nullptr, SPELL_PRIEST_DIVINE_WRATH, true);
             }
 
             void Register() override
@@ -752,7 +752,7 @@ class spell_pri_leap_of_faith_effect_trigger : public SpellScriptLoader
                 SpellCastTargets targets;
                 targets.SetDst(destPos);
                 targets.SetUnitTarget(GetCaster());
-                GetHitUnit()->CastSpell(targets, sSpellMgr->GetSpellInfo(GetEffectValue(), GetCastDifficulty()), NULL);
+                GetHitUnit()->CastSpell(targets, sSpellMgr->GetSpellInfo(GetEffectValue(), GetCastDifficulty()), nullptr);
             }
 
             void Register() override
@@ -890,7 +890,7 @@ class spell_pri_mana_leech : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(_procTarget, SPELL_PRIEST_MANA_LEECH_PROC, true, NULL, aurEff);
+                GetTarget()->CastSpell(_procTarget, SPELL_PRIEST_MANA_LEECH_PROC, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1395,7 +1395,7 @@ class spell_pri_vampiric_embrace : public SpellScriptLoader
                 int32 selfHeal = int32(CalculatePct(damageInfo->GetDamage(), aurEff->GetAmount()));
                 int32 teamHeal = selfHeal / 2;
 
-                GetTarget()->CastCustomSpell((Unit*)NULL, SPELL_PRIEST_VAMPIRIC_EMBRACE_HEAL, &teamHeal, &selfHeal, NULL, true, NULL, aurEff);
+                GetTarget()->CastCustomSpell(nullptr, SPELL_PRIEST_VAMPIRIC_EMBRACE_HEAL, &teamHeal, &selfHeal, nullptr, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1463,7 +1463,7 @@ class spell_pri_vampiric_touch : public SpellScriptLoader
                         {
                             int32 damage = aurEff->GetAmount() * 8;
                             // backfire damage
-                            caster->CastCustomSpell(target, SPELL_PRIEST_VAMPIRIC_TOUCH_DISPEL, &damage, NULL, NULL, true, NULL, aurEff);
+                            caster->CastCustomSpell(target, SPELL_PRIEST_VAMPIRIC_TOUCH_DISPEL, &damage, nullptr, nullptr, true, nullptr, aurEff);
                         }
                     }
                 }
@@ -1477,7 +1477,7 @@ class spell_pri_vampiric_touch : public SpellScriptLoader
             void HandleEffectProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                eventInfo.GetProcTarget()->CastSpell((Unit*)NULL, SPELL_GEN_REPLENISHMENT, true, NULL, aurEff);
+                eventInfo.GetProcTarget()->CastSpell(nullptr, SPELL_GEN_REPLENISHMENT, true, nullptr, aurEff);
             }
 
             void Register() override
diff --git a/src/server/scripts/Spells/spell_quest.cpp b/src/server/scripts/Spells/spell_quest.cpp
index 9ffea6d87ca..67e1706a945 100644
--- a/src/server/scripts/Spells/spell_quest.cpp
+++ b/src/server/scripts/Spells/spell_quest.cpp
@@ -157,7 +157,7 @@ class spell_q5206_test_fetid_skull : public SpellScriptLoader
             {
                 Unit* caster = GetCaster();
                 uint32 spellId = roll_chance_i(50) ? SPELL_CREATE_RESONATING_SKULL : SPELL_CREATE_BONE_DUST;
-                caster->CastSpell(caster, spellId, true, NULL);
+                caster->CastSpell(caster, spellId, true, nullptr);
             }
 
             void Register() override
@@ -608,7 +608,7 @@ class spell_q12634_despawn_fruit_tosser : public SpellScriptLoader
                 // sometimes, if you're lucky, you get a dwarf
                 if (roll_chance_i(5))
                     spellId = SPELL_SUMMON_ADVENTUROUS_DWARF;
-                GetCaster()->CastSpell(GetCaster(), spellId, true, NULL);
+                GetCaster()->CastSpell(GetCaster(), spellId, true, nullptr);
             }
 
             void Register() override
@@ -642,7 +642,7 @@ class spell_q12683_take_sputum_sample : public SpellScriptLoader
                 if (caster->HasAuraEffect(reqAuraId, 0))
                 {
                     uint32 spellId = GetSpellInfo()->GetEffect(EFFECT_0)->CalcValue();
-                    caster->CastSpell(caster, spellId, true, NULL);
+                    caster->CastSpell(caster, spellId, true, nullptr);
                 }
             }
 
@@ -752,7 +752,7 @@ class spell_q12937_relief_for_the_fallen : public SpellScriptLoader
                 Player* caster = GetCaster()->ToPlayer();
                 if (Creature* target = GetHitCreature())
                 {
-                    caster->CastSpell(caster, SPELL_TRIGGER_AID_OF_THE_EARTHEN, true, NULL);
+                    caster->CastSpell(caster, SPELL_TRIGGER_AID_OF_THE_EARTHEN, true, nullptr);
                     caster->KilledMonsterCredit(NPC_FALLEN_EARTHEN_DEFENDER);
                     target->DespawnOrUnsummon();
                 }
@@ -1669,7 +1669,7 @@ class spell_q12527_zuldrak_rat : public SpellScriptLoader
             {
                 if (GetHitAura() && GetHitAura()->GetStackAmount() >= GetSpellInfo()->StackAmount)
                 {
-                    GetHitUnit()->CastSpell((Unit*) NULL, SPELL_SUMMON_GORGED_LURKING_BASILISK, true);
+                    GetHitUnit()->CastSpell(nullptr, SPELL_SUMMON_GORGED_LURKING_BASILISK, true);
                     if (Creature* basilisk = GetHitUnit()->ToCreature())
                         basilisk->DespawnOrUnsummon();
                 }
@@ -2152,7 +2152,7 @@ class spell_q12641_death_comes_from_on_high : public SpellScriptLoader
                         return;
                 }
 
-                GetCaster()->CastSpell((Unit*)NULL, spellId, true);
+                GetCaster()->CastSpell(nullptr, spellId, true);
             }
 
             void Register() override
@@ -2218,7 +2218,7 @@ class spell_q12619_emblazon_runeblade : public SpellScriptLoader
             {
                 PreventDefaultAction();
                 if (Unit* caster = GetCaster())
-                    caster->CastSpell(caster, GetSpellInfo()->GetEffect(aurEff->GetEffIndex())->TriggerSpell, true, NULL, aurEff);
+                    caster->CastSpell(caster, GetSpellInfo()->GetEffect(aurEff->GetEffIndex())->TriggerSpell, true, nullptr, aurEff);
             }
 
             void Register() override
diff --git a/src/server/scripts/Spells/spell_rogue.cpp b/src/server/scripts/Spells/spell_rogue.cpp
index 5f1121648f0..e4595f56f27 100644
--- a/src/server/scripts/Spells/spell_rogue.cpp
+++ b/src/server/scripts/Spells/spell_rogue.cpp
@@ -209,7 +209,7 @@ class spell_rog_crippling_poison : public SpellScriptLoader
             void OnProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_ROGUE_CRIPPLING_POISON, true, NULL, aurEff);
+                GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_ROGUE_CRIPPLING_POISON, true, nullptr, aurEff);
             }
 
             void Register() override
diff --git a/src/server/scripts/Spells/spell_shaman.cpp b/src/server/scripts/Spells/spell_shaman.cpp
index 0a4b6fbac58..54f2123b64b 100644
--- a/src/server/scripts/Spells/spell_shaman.cpp
+++ b/src/server/scripts/Spells/spell_shaman.cpp
@@ -109,7 +109,7 @@ public:
             PreventDefaultAction();
             int32 bp0 = CalculatePct(int32(eventInfo.GetDamageInfo()->GetDamage()), aurEff->GetAmount());
             if (bp0)
-                eventInfo.GetActor()->CastCustomSpell(SPELL_SHAMAN_ANCESTRAL_GUIDANCE_HEAL, SPELLVALUE_BASE_POINT0, bp0, eventInfo.GetActor(), true, NULL, aurEff);
+                eventInfo.GetActor()->CastCustomSpell(SPELL_SHAMAN_ANCESTRAL_GUIDANCE_HEAL, SPELLVALUE_BASE_POINT0, bp0, eventInfo.GetActor(), true, nullptr, aurEff);
         }
 
         void Register() override
@@ -584,7 +584,7 @@ class spell_sha_item_lightning_shield : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_SHAMAN_ITEM_LIGHTNING_SHIELD, true, NULL, aurEff);
+                GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_SHAMAN_ITEM_LIGHTNING_SHIELD, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -617,7 +617,7 @@ class spell_sha_item_lightning_shield_trigger : public SpellScriptLoader
             void HandleProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(GetTarget(), SPELL_SHAMAN_ITEM_LIGHTNING_SHIELD_DAMAGE, true, NULL, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_SHAMAN_ITEM_LIGHTNING_SHIELD_DAMAGE, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -662,7 +662,7 @@ class spell_sha_item_mana_surge : public SpellScriptLoader
                 {
                     int32 mana = CalculatePct(m->Amount, 35);
                     if (mana > 0)
-                        GetTarget()->CastCustomSpell(SPELL_SHAMAN_ITEM_MANA_SURGE, SPELLVALUE_BASE_POINT0, mana, GetTarget(), true, NULL, aurEff);
+                        GetTarget()->CastCustomSpell(SPELL_SHAMAN_ITEM_MANA_SURGE, SPELLVALUE_BASE_POINT0, mana, GetTarget(), true, nullptr, aurEff);
                 }
             }
 
@@ -726,7 +726,7 @@ class spell_sha_item_t6_trinket : public SpellScriptLoader
                     return;
 
                 if (roll_chance_i(chance))
-                    eventInfo.GetActor()->CastSpell((Unit*)nullptr, spellId, true);
+                    eventInfo.GetActor()->CastSpell(nullptr, spellId, true);
             }
 
             void Register() override
@@ -982,7 +982,7 @@ class spell_sha_tidal_waves : public SpellScriptLoader
                 int32 basePoints0 = -aurEff->GetAmount();
                 int32 basePoints1 = aurEff->GetAmount();
 
-                GetTarget()->CastCustomSpell(GetTarget(), SPELL_SHAMAN_TIDAL_WAVES, &basePoints0, &basePoints1, NULL, true, NULL, aurEff);
+                GetTarget()->CastCustomSpell(GetTarget(), SPELL_SHAMAN_TIDAL_WAVES, &basePoints0, &basePoints1, nullptr, true, nullptr, aurEff);
             }
 
             void Register() override
diff --git a/src/server/scripts/Spells/spell_warlock.cpp b/src/server/scripts/Spells/spell_warlock.cpp
index 6186ead5d9a..67c93ee8499 100644
--- a/src/server/scripts/Spells/spell_warlock.cpp
+++ b/src/server/scripts/Spells/spell_warlock.cpp
@@ -258,7 +258,7 @@ class spell_warl_bane_of_doom : public SpellScriptLoader
                     return;
 
                 if (GetCaster()->ToPlayer()->isHonorOrXPTarget(GetTarget()))
-                    GetCaster()->CastSpell(GetTarget(), SPELL_WARLOCK_BANE_OF_DOOM_EFFECT, true, NULL, aurEff);
+                    GetCaster()->CastSpell(GetTarget(), SPELL_WARLOCK_BANE_OF_DOOM_EFFECT, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -466,7 +466,7 @@ class spell_warl_demonic_empowerment : public SpellScriptLoader
                             {
                                 SpellInfo const* spellInfo = sSpellMgr->AssertSpellInfo(SPELL_WARLOCK_DEMONIC_EMPOWERMENT_VOIDWALKER, GetCastDifficulty());
                                 int32 hp = int32(targetCreature->CountPctFromMaxHealth(GetCaster()->CalculateSpellDamage(targetCreature, spellInfo, 0)));
-                                targetCreature->CastCustomSpell(targetCreature, SPELL_WARLOCK_DEMONIC_EMPOWERMENT_VOIDWALKER, &hp, NULL, NULL, true);
+                                targetCreature->CastCustomSpell(targetCreature, SPELL_WARLOCK_DEMONIC_EMPOWERMENT_VOIDWALKER, &hp, nullptr, nullptr, true);
                                 break;
                             }
                             case CREATURE_FAMILY_FELGUARD:
@@ -609,7 +609,7 @@ class spell_warl_fel_synergy : public SpellScriptLoader
                 PreventDefaultAction();
 
                 int32 heal = CalculatePct(static_cast<int32>(eventInfo.GetDamageInfo()->GetDamage()), aurEff->GetAmount());
-                GetTarget()->CastCustomSpell(SPELL_WARLOCK_FEL_SYNERGY_HEAL, SPELLVALUE_BASE_POINT0, heal, (Unit*)nullptr, true, nullptr, aurEff); // TARGET_UNIT_PET
+                GetTarget()->CastCustomSpell(SPELL_WARLOCK_FEL_SYNERGY_HEAL, SPELLVALUE_BASE_POINT0, heal, nullptr, true, nullptr, aurEff); // TARGET_UNIT_PET
             }
 
             void Register() override
@@ -643,7 +643,7 @@ class spell_warl_glyph_of_shadowflame : public SpellScriptLoader
             void OnProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
             {
                 PreventDefaultAction();
-                GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_WARLOCK_GLYPH_OF_SHADOWFLAME, true, NULL, aurEff);
+                GetTarget()->CastSpell(eventInfo.GetProcTarget(), SPELL_WARLOCK_GLYPH_OF_SHADOWFLAME, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -696,7 +696,7 @@ class spell_warl_haunt : public SpellScriptLoader
                 if (Unit* caster = GetCaster())
                 {
                     int32 amount = aurEff->GetAmount();
-                    GetTarget()->CastCustomSpell(caster, SPELL_WARLOCK_HAUNT_HEAL, &amount, NULL, NULL, true, NULL, aurEff, GetCasterGUID());
+                    GetTarget()->CastCustomSpell(caster, SPELL_WARLOCK_HAUNT_HEAL, &amount, nullptr, nullptr, true, nullptr, aurEff, GetCasterGUID());
                 }
             }
 
@@ -826,8 +826,8 @@ class spell_warl_improved_soul_fire : public SpellScriptLoader
             void OnProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
                 PreventDefaultAction();
-                GetTarget()->CastCustomSpell(SPELL_WARLOCK_IMPROVED_SOUL_FIRE_PCT, SPELLVALUE_BASE_POINT0, aurEff->GetAmount(), GetTarget(), true, NULL, aurEff);
-                GetTarget()->CastSpell(GetTarget(), SPELL_WARLOCK_IMPROVED_SOUL_FIRE_STATE, true, NULL, aurEff);
+                GetTarget()->CastCustomSpell(SPELL_WARLOCK_IMPROVED_SOUL_FIRE_PCT, SPELLVALUE_BASE_POINT0, aurEff->GetAmount(), GetTarget(), true, nullptr, aurEff);
+                GetTarget()->CastSpell(GetTarget(), SPELL_WARLOCK_IMPROVED_SOUL_FIRE_STATE, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1113,7 +1113,7 @@ class spell_warl_soul_leech : public SpellScriptLoader
 
             void OnProc(AuraEffect const* aurEff, ProcEventInfo& /*eventInfo*/)
             {
-                GetTarget()->CastSpell((Unit*)NULL, SPELL_GEN_REPLENISHMENT, true, NULL, aurEff);
+                GetTarget()->CastSpell(nullptr, SPELL_GEN_REPLENISHMENT, true, nullptr, aurEff);
             }
 
             void Register() override
@@ -1423,7 +1423,7 @@ class spell_warl_unstable_affliction : public SpellScriptLoader
                     {
                         int32 damage = aurEff->GetAmount() * 9;
                         // backfire damage and silence
-                        caster->CastCustomSpell(dispelInfo->GetDispeller(), SPELL_WARLOCK_UNSTABLE_AFFLICTION_DISPEL, &damage, NULL, NULL, true, NULL, aurEff);
+                        caster->CastCustomSpell(dispelInfo->GetDispeller(), SPELL_WARLOCK_UNSTABLE_AFFLICTION_DISPEL, &damage, nullptr, nullptr, true, nullptr, aurEff);
                     }
             }
 
diff --git a/src/server/scripts/Spells/spell_warrior.cpp b/src/server/scripts/Spells/spell_warrior.cpp
index f5bcf9df4c4..3f59c6d2d7f 100644
--- a/src/server/scripts/Spells/spell_warrior.cpp
+++ b/src/server/scripts/Spells/spell_warrior.cpp
@@ -543,7 +543,7 @@ class spell_warr_item_t10_prot_4p_bonus : public SpellScriptLoader
 
                 Unit* target = eventInfo.GetActionTarget();
                 int32 bp0 = CalculatePct(target->GetMaxHealth(), GetSpellInfo()->GetEffect(EFFECT_1)->CalcValue());
-                target->CastCustomSpell(SPELL_WARRIOR_STOICISM, SPELLVALUE_BASE_POINT0, bp0, (Unit*)nullptr, true);
+                target->CastCustomSpell(SPELL_WARRIOR_STOICISM, SPELLVALUE_BASE_POINT0, bp0, nullptr, true);
             }
 
             void Register() override
@@ -1367,8 +1367,8 @@ class spell_warr_vigilance : public SpellScriptLoader
                 PreventDefaultAction();
                 int32 damage = int32(CalculatePct(eventInfo.GetDamageInfo()->GetDamage(), aurEff->GetSpellInfo()->Effects[EFFECT_1].CalcValue()));
 
-                GetTarget()->CastSpell(_procTarget, SPELL_WARRIOR_VIGILANCE_PROC, true, NULL, aurEff);
-                _procTarget->CastCustomSpell(_procTarget, SPELL_WARRIOR_VENGEANCE, &damage, &damage, &damage, true, NULL, aurEff);
+                GetTarget()->CastSpell(_procTarget, SPELL_WARRIOR_VIGILANCE_PROC, true, nullptr, aurEff);
+                _procTarget->CastCustomSpell(_procTarget, SPELL_WARRIOR_VENGEANCE, &damage, &damage, &damage, true, nullptr, aurEff);
             }
             */