Asyriel is a demon among the 31 Aerial Spirits of Solomon. Asyriel serves under Caspiel as a king ruling the southwest. He commands 20 dukes under the day and 20 under the night, each of which has servants who are willing to obey the commands of those who summon them. The eight major dukes of the day under Asyriel are Astor, Carga, Buniet, Rabas, Arcisat, Aariel, Cusiel, and Maguel. The eight under the night are Amiel, Cusriet, Maroth, Omiel, Budar, Aspeil, Faseua, and Hamas.