Layers of the Abyss

Source: Dungeon Master’s Guide (2024) p. 180

Layers of the Abyss

LayerDescription
The Plain of Infinite PortalsOn layer 1, corroded iron fortresses defend routes to lower layers.
AzzagratGraz’zt’s corrupt, decadent city is split across layers 45, 46, and 47.
The DemonwebOn layer 66, Lolth’s web snares all and hides portals to other planes.
Gaping MawLayer 88 is a malevolent wilderness surrounding Demogorgon’s ocean fortress.
ThanatosOn layer 113, an endless graveyard hosts Orcus and the sleepless dead.
The Slime Pits (Shedaklah)Layer 222, a fetid realm of ooze and fungi, obeys the whims of Juiblex and Zuggtmoy.
The Death DellsYeenoghu and his gnoll servants prowl layer 422—a cruel, desolate realm.
The Endless MazeLayer 600’s endless labyrinth turns visitors into Baphomet’s prey.
^layers-of-the-abyss