Just in case others want to know, it is perfectly feasible to COMPLETELY IGNORE THE ADDS IN THIS ENCOUNTER. When we used to do it, we'd set up at the door - basically position your tank in the center, and then spread everyone out 15 yards from everyone else, so none of his abilities really do anything. Pull him, and then just tank and spank him. The only thing you have to do is make sure your tank picks up the big robot spawns and just tanks them with XT. And heal people who get hit with his aoes. Fight is an absolute and complete joke.