Once the greatest city on the planet and a technological paradise, now empty and pillaged save for a thick smog which rolls around its abandoned crumbling streets. Radiation leaks provide extra incentive to avoid the region, though there are always those whose curiosity drives them forward.
Destron gas, one of the most insidious of Tuffle inventions, sapping life from anything it touches. Heavier than air, it fills the valleys and crags of the ruinous region. Myth has it that dark figures lurk within the fog -- ghosts, monsters, and worse.