Baal is one of the demon heroes of 13 Crowns, and also known as Thunder Lord. He was the founder of the Magical Apparatus Battler at Babyls Demon School.
Operating in the shadows, the is responsible for the Demon Reformation, where he wants the current institution of the demon world go way back to its origins.
Lightning Manipulation: Baal has been shown to be capable of controling electricity.
An underclassman of Babyls Demon School, Kirio looks up to Baal, even referring to him as "big brother". Baal states that Kirio's twisted nature wasn't wrong as he believes that the netherworld has become too orderly and he wishes to bring chaos back into practice by destroying Babyls.