It would depend on the day honestly. Some days you might find him charming, other days you might be justified in locking him in a closet rather than dealing with his crazy ass. Vallo's choices are certainly that though. Strikes me as the kind of magic to do what it wants, when it wants.
Good. Might figure out a way to leave him something of a reminder from his past as well, so to speak. I figured being a necromancer would mean knowing I knew weird. Nope. Y'all win.