Ogre would be boss.
Immense Str
Immense Vit
Poison Resistance
Magic Resistance Skin
Physically Resistant Skin
I guess a demon would be good too, but its probably going to be that guy who killed him last time.
lol aura doesn't work like I would have thought, but it makes sense in a way. 'the shape of my will' has a nice ring to it.
thought I don't see why he would have to leave the party, they just have to not interfere with the fight.