Someone who is so obsessed with learning her magic that she didn't even bother picking out something to wear over herself besides what looks to be a flimsy chest plate - unless charm is part of her magic. But then again, charm is inherent and need not magic bar illusion to create a level of attraction, although if that is how her charm works, she need not wear revealing chest plate because she can just use magic.
And come on, all blue? At least put some pale gold in there or something.