Ahriman

"Ahriman...Now there's a name to strike fear into even the blackest of hearts."

- Azazel talking about the Ahriman The Ahriman (アーリマン, Āriman lit. Destructive Mind) are a race of extremely powerful creatures, known as "beings of chaos", being the very manifestation of everything it represents, thus becoming alternatively known as Bringers of Discord (不仲の運び, Funaka no Hakobi). They were all sealed long ago in a dimension created to contain them, known as "Caveam" (獄門 (カビアム), Kabiamu; Latin for "Cage" and Japanese for "Prison Gate"), where they remain.

Chaos Ahriman
Chaos Ahriman (境界を粉々腕 (カオス・アーリマン), Kaosu Āriman lit. The Arm that Shatters Boundaries):