Eh, what the hell, I volunteer. Give him high charisma and low int and wisdom (duh), I mean very low. Whatever items you deem useful.He doesn't know he's a sorcerer. He's convinced all that death he's raining is actually a manifestation of his inherent awesomeness. The party isn't an adventuring party, just his fanclub. He thinks they're going to a party and the guys they kill are anti-fans or the long line to the club.