History[]
Alex is the former Legendary Demon Slayer. He was friends with Sticks.
Demon Slayer. An existence that could destroy hells. Unlike Muller, who defeated the great demons who descended to the earth, the Demon Slayer of the past came to hell and ‘hunted’ the great demons. The Demon Slayer had devastated five hells.
After his death his corpse has been transformed in a Dark Knight by Baal's Contractor Pagma to protect the 62nd island of Behen Archipelago. Even if his power were reduced after his transformation, he was able to copletely suppress Agnus in his third advancement.