Jabal Turab, or the Mountain of Dust, is the site of an elemental Vortex leading between between the Planes of Fire and Air. The efreet use it to invade the territories of the Djinn.
Source: Secrets of the Lamp
You can't kill me, demon. I'm under baatezu contract. If I die, they'll get me as a troop to fight on their side forever. Ha ha.
— A clever prime trying to turn the Blood War to his advantage
