"Demon Lord" Diablo

 

First Appearance   

        Diablo's first appearance was at the past of the hero "Shizue." He was summoned by Rimuru, then offered the dead soldiers of Farmuth Kingdom to him.

Evolution

        Diablo appeared to be an Arch Demon when he was summoned. Right after the Harvest Festival, he was named by Rimuru causing him to become a "Demon Peer" where his outfit became butler-like.

        After the Ascension Ritual, he became a "Demon Lord Class" and acquired the ultimate skill "Temptation King Azazel."

Facts

◘ He is the second secretary of Rimuru and is competing with Shion.

◘ He is one of the Color Primordial Demon, called "Noir" and color "Black."

◘ He worships Rimuru as his God.

◘ He is Rimuru's strongest named subordinate.