Asmodeus

Asmodeus is one of the demons Ritsu can (if he wishes) summon and control using the Ring of Solomon Asmodeus leads 72 legions of Hell. The great King at Rank n°32 possesses the heads of a cow, a man and a sheep on being summoned, and it spits fire from its mouth. He is said to appear while riding a dragon. Equipped with a spear in one hand and has a tail resembling an enormous snake. There are a lot of legends about Asmodeus. He rules over lust from the seven deadly sins found in christianity. He instructs on geometry, astronomy, and handicrafts if one treats him with respect.