Dungeon 2: Twilight: Armageddon( Series - Dungeon )

Marvin, saved at the last minute from certain death in a duel by his young warrior admirer Marvin the Red, simply cannot be let to die as he wishes Whatever he loses, he regains in different powers. He's even become invincible. It's to a point where he'd rather exchange body parts to get back his mortality. But then he is led to a discovery that may make continuing to live actually worth it.