World of Darkness (Mandaeism)
In Mandaeism, the World of Darkness (Classical Mandaic: ࡀࡋࡌࡀ ࡖࡄࡔࡅࡊࡀ, romanized: alma ḏ-hšuka) is the underworld located below Tibil (Earth). It is ruled by its king Ur the Leviathan and its queen Ruha, mother of the seven planets and twelve constellations.
Source: Wikipedia — World of Darkness (Mandaeism) (CC BY-SA 4.0)