Don't think you can just lolstrike everything in the instance and one shot all mobs, you can't. Some things can still kill you, especially some of the trash packs if you pull too many.
But other than that, don't move during Flame Wreath, as that can still kill you, and you're good. But Chess is quite difficult to do if you don't know how to solo it. It requires a lot of planning and thinking, something most Warriors aren't good at.
Prince is a joke, pop all CD's and he dies in less than a minute.