Skipped Kuroimaken already?
thing 1) ... secretly is an Erudite Spell To Power
thing 2) ... keeping everybody off that track by claiming he's a "Sorcerer" or some such (epic skill check)
thing 3) ... can not be Lawful Neutral after having tried to impose said alignment on a
thing 4) ... while simultaneously helping a small army of mercenaries, find the Bladeling Exile city down on the 4th layer of Acheron