It also sounds like there might be some, uh, lingering resentment over the whole “purging of healers and unapproved magic users” thing, so I’m thinking revenge might be a motivator.

I mean, the purge is still ongoing when you think about it. I don’t think those wizard cops from earlier would’ve hesitated to take action if they saw this person mixing their blood with ink to enhance its effects. Not sure what they can do against someone who can teleport like that, but maybe they have a plan.