Core/Spells: SPELL_ATTR3_NO_DONE_BONUS will now also prevent bonus values for heal spell effects

src/server/game/Entities/Unit/Unit.cpp

@@ -7400,6 +7400,10 @@ uint32 Unit::SpellHealingBonusDone(Unit* victim, SpellInfo const* spellProto, ui
         if (Unit* owner = GetOwner())
             return owner->SpellHealingBonusDone(victim, spellProto, healamount, damagetype, effIndex, stack);
 
+    // Some spells don't benefit from done mods
+    if (spellProto->HasAttribute(SPELL_ATTR3_NO_DONE_BONUS))
+        return healamount;
+
     // No bonus healing for potion spells
     if (spellProto->SpellFamilyName == SPELLFAMILY_POTION)
         return healamount;