if it makes you feel any better on this boss I'm about 1/5 :\ on 4-2 CoP now, and hoping to keep going. In my opinion yes, he is the hardest. Although, with my winning party it wasn't the best set up for use of two hours. Our dmg dealers for 2 hours was basically a monk, summoner, warrior... Used two hours, Monk slept half way through 100 fists, avatar asleep so no astral flow and sleeping warrior for mighty strikes lol... I have no idea how we won x.x. I'm just happy SE nerfed the stupid promies from when they first started up, although I had the fun of fighting them before the nerf X_x Good luck man.. on btw... Anima are your friends, use wisely