The Astral Seas and the plane above.
The Underworld and the plane below.
The Styx, also known an the River of Dead, is a cross-planar river running across the Astral planes and into the Underworld. It crosses through Pandemonium, Baator, Pluton, Carceri, Oinos, The Grey Wastes, and into the Abyss.
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The infinite layers of the Abyss spawn the demons who roam throughout the planes. It is a violent, malevolent place where only the strong survive.
The land of the dead and despair, darkness and shadows.
Home to the daemons and their lord. A rolling grey plain of diesease, pestilence, and the constant struggle of battle and warfare for the Blood War.
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