Demon Plateau

The remains of a mountain sliced open by Arkat


 * Within it is the massive tunnel complex of Fort Wrath
 * A demon (Ralzakark?)had been trapped inside the mountain and gained limited access to the surface.
 * Known by the Hellwood elves as Nazoo's Ridge
 * Known on older maps as the Acid Cauldron

Source: Book of Drastic Resolutions: Chaos