Galen raised an eyebrow. "None of those things are the sort of magic I know anything about... but the descriptions of the Arts do suggest that the local law enforcement might do with some of your skill, and from what I understand of you, that might mesh with your background as an Auror."
He thought for a moment. "Use the bulletin board at the Welcome Center and see if you can contact any of the other people from your universe. This pureblood thing; I don't know. If it once mattered to you, I don't think it does any more. And tipping people off probably doesn't matter either. There are a lot of strangers in town - myself for example. We are all learning our way around this new place we find ourselves in. You are just another castaway trying to learn the ways of the natives."