Finally... *phew* - WTF?! OMFG!!!! ANOTHER ONE!
Whoa, that one really scared me off.
It's really, REALLY evil when you make it you think you killed him but then another form appears D:
AND FOR THOSE WHO DON'T KNOW THE STORYLINE:
Reach 150 experience points to unlock "The Last Piece Of Cake!" (Part 1, much much easier) and complete it.