Arallu
There are different definitions, or explanations, for the world ‘arallu’. But most of the time, it refers to the Mesopotamian / Babylonian / Sumerian mythologies, with ‘arallu’ being a kind of entity, or a genie, spawn from Enki, master of storm winds and bringer of darkness, then again referring to the underworld itself, where the dead got judged by the deities Nergal and Ereshkigal; a dimension also known as Irkalla, Kur or Ganzir.