Yeah, and he can seriously regret not having picked up one of the thousands of STOP THE ENEMY FROM MOVING spells out there. Because, you know, mana clash is just so helpful out in the real world.
Once his dirty little secret is out, I think he's going to have to sleep with his eyes open from the fear of suffering some stabbity stabbity in the night. Because that would suck. Like OW suck.
He is going to be highly disappointed when he finds out Cone of Cold won't slow down gigantic, rolling boulders in a narrow tunnel.