Core/Auras: unregister AuraEffect from target list before changing amount, forces recalculation at stack change

Closes #19301

(cherrypicked from 9f2f7ebf51a587199ee7328761c5842c3f491e3b)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/server/game/Spells/Auras/SpellAuraEffects.cpp b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
index 53452b767d6..77cc228683b 100644
--- a/src/server/game/Spells/Auras/SpellAuraEffects.cpp
+++ b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
@@ -775,7 +775,10 @@ void AuraEffect::ChangeAmount(int32 newAmount, bool mark, bool onStackOrReapply)
     GetApplicationList(effectApplications);
 
     for (AuraApplication* aurApp : effectApplications)
+    {
+        aurApp->GetTarget()->_RegisterAuraEffect(this, false);
         HandleEffect(aurApp, handleMask, false);
+    }
 
     if (handleMask & AURA_EFFECT_HANDLE_CHANGE_AMOUNT)
     {
@@ -787,7 +790,10 @@ void AuraEffect::ChangeAmount(int32 newAmount, bool mark, bool onStackOrReapply)
     }
 
     for (AuraApplication* aurApp : effectApplications)
+    {
+        aurApp->GetTarget()->_RegisterAuraEffect(this, true);
         HandleEffect(aurApp, handleMask, true);
+    }
 
     if (GetSpellInfo()->HasAttribute(SPELL_ATTR8_AURA_SEND_AMOUNT))
         GetBase()->SetNeedClientUpdateForTargets();