Core/Spells: Implemented SUMMON_PROP_FLAG_PERSONAL_GROUP_SPAWN

src/server/game/Entities/Object/Object.cpp

@@ -1739,6 +1739,10 @@ bool WorldObject::CheckPrivateObjectOwnerVisibility(WorldObject const* seer) con
     if (_privateObjectOwner == seer->GetPrivateObjectOwner())
         return true;
 
+    if (Player const* playerSeer = seer->ToPlayer())
+        if (playerSeer->IsInGroup(_privateObjectOwner))
+            return true;
+
     return false;
 }