User blog comment:Shadoex/Are YOU Ready for Trial 4??/@comment-26040524-20150202212409/@comment-99.104.165.92-20150203023728

From what I've seen, you can bring him down at your own pace. Just be warned that he summons Luther (removes buffs) and Phee (damage migitator) a few turns after they are defeated. Best of luck! :D