Layers of Pandemonium

Source: Dungeon Master’s Guide (2024) p. 206

Layers of Pandemonium

LayerDescription
PandesmosHowling winds, dark streams bound for the River Styx, and blowing snow pour through vast, desolate caverns.
CocytusWinds blowing through narrower tunnels create a stronger force and louder wails, making this the so-called “Layer of Lamentation.”
PhlegethonTunnel walls absorb light while water creates intricate rock formations.
AgathionSealed-off tunnels are largely inaccessible from elsewhere, making them ideal as vaults for ancient secrets.
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