"Who said I even had any powers?" Bad lie, bad lie, Ken's face shows that he's uncomfortable talking about powers at all. He doesn't know if he can trust any knowledge about personas to anyone here. "And I'm not going to give him up to just anybody! Especially someone who's gonna make him battle."

And, of course, Ken doesn't realize that the whole time he's been using the wrong pronoun for his pokemon--his cubone is actually a girl.