Had an idea for Keldeo since she was separated from her family by a forest fire apparently started by a human war but what if Thundurus had started that fire which made the two human sides think the other was attacking and started that war. Thundurus inadvertently caused Keldeo to be separated from her family but does not remember it. Keldeo confronts Thundurus about it to get some kind of closure on her past that if she cant find her family while training around the world at lest have found the one who inadvertently caused it.