Hell Plane

Hell is the realm of devils, the multiversal seat of tyranny and malignant laws, and the divine domain of Asmodeus, the Prince of Darkness. Here, every act is authorized, calculated, recorded, and set like perfectly ordered clockwork within a vast machine driven on methodical suffering and greased with pain and purification. The nine inverted layers of Hell violently oppose the surrounding fabric of the Maelstrom, each layer shaped to reflect the nature of its ruling archdevil. Avernus's paved volcanic wastes, ruled by Barbatos, are the marshaling place of Hell's armies and hold the enormous construction yards dedicated to crafting fiendish starships. Dispater's layer of Dis is a great iron metropolis of brutal efficiency where goods manufactured in Avernus are distributed. The layer of Erebus is an expansive sewer system for Dis and contains the magitech vaults and treasuries of Hell, ruled by Mammon, a fiend thought to have ascended to a purely digital form along with the evolution of mortal currencies. Ruled by Belial, the layer of Phlegethon hosts Hell's greater forges that equip the vast armies with magical and technological equipment. Geryon's watery realm of Stygia houses Hell's countless data servers and digital libraries. Moloch's smoldering, ash-draped factories of Malebolge are the training site for the infernal armies, and Baalzebul's frozen layer of Cocytus torments the imprisoned damned in a massive, eternal battle royale. Post-Gap evidence suggests the existence of a supposed tenth layer of Hell, but such references have been mostly scrubbed by the galactic mind wipe.