Core/Spells: Flag of Ownership shouldn't target creatures

src/server/scripts/Spells/spell_item.cpp

@@ -2751,6 +2751,11 @@ class spell_item_taunt_flag_targeting : public SpellScriptLoader
 
             void FilterTargets(std::list<WorldObject*>& targets)
             {
+                targets.remove_if([](WorldObject* obj) -> bool
+                {
+                    return obj->GetTypeId() != TYPEID_PLAYER && obj->GetTypeId() != TYPEID_CORPSE;
+                });
+
                 if (targets.empty())
                 {
                     FinishCast(SPELL_FAILED_NO_VALID_TARGETS);