Pardon the double post, normally I'd delete the last post then just repost to give this a bump, but no delete function!

Anyway, are we allowed to choose what our Personae will evolve into? I had the idea for a Magician Arcana Baba Yaga that will eventually transmogrify into Hecate, they're different mythologies, but sort of related in theme. I don't think I get to choose [i]when[/i] the persona gets to evolve, but perhaps what it evolves into?