public function onAttack(BattleEvent $event)
 {
     if ($event->getLocHelper()->objectExists($event->getToObjectId())) {
         $event->getLocHelper()->addJournal($event->getSelfObjectId() . "->" . $event->getToObjectId(), Game::init()->getService('player.helper')->getCollection());
         $event->getLocHelper()->update();
     }
 }