Surprisingly, the fight goes quite smoothly - his fireball sweeps through the room, destroying one of the undead, and leaving the other badly scorched - and a few simple attack on the creature put it down for good.<br/><br/>There does not seem to be an exit from this room, but a search turns up that the wall opposite the entrance is thin, and a while of quiet work - one one strong blow - might be enough to open it into whatever lies beyond.