[...Should she tell him? Maybe. Probably not. It's kind of ...related to her reasons of being here today anyway.]

Magic, that lets you become whoever you want to be. Most people can only use it for one transformation, but there are some with more than one... Like three.

[Four actually, but she will only mention three, because she has only seen the clothes and Dia is hers, so let's pretend like it doesn't exist.]