Diablo

Race: Demon
Divine protection: Tempest (Protection of the Storm)
Title: Demon Duke (Demon Lord)
Resistances: Physical Attack Nullification, Natural Effect Nullification, Status Change Nullification, Spirit Attack Resistance, Holy Magic Attack Resistance

Primordial Demon Summoned by Rimuru.

Abilities
- Unique Skill - Great Wiseman, Tempter
- Ex - Multiple Barrier, Spatial Transfer
- Daily Skill - Magic Perception, Demon Lord's Haki
- Battle Skill - Law Manipulation