Well, that's a double-edged sword. (Staff?) She must have some magical prowess, obviously she must, because anyone truly respectable does (except for the ones who make up for lack of it with military strategy instead, and don't think about that, don't think about that, Norrell knew what he was getting into)--but to be self-taught at it is an unthinkable offense.

"You had no formal training in magic? No regulation, or oversight?"