Named for the pit in which Ledean criminals were thrown, Barathrum is a layer of molten lava pocked with large island nations and stone columns holding up the world.

Nations:

1. Aarn-kul Kazad: The lowest reach of Akazad, only the bravest Kazadians tread here.
2. Deepest Graakh:
3. Izzellan: The country of the Izzellanian, Shugrammr, and Ygrodasstr chthonians, a brutal empire amidst fire and magma.
4. Kusock: The amaranth dragon nation.
5. Mhaladanth: The country of the Mhaladanth chthonians, where demons also dwell.
6. Murnock Dallaam:
7. Nathaus: kingdom of the worms.
8. Nithri: The land of the Nithri chthonians whose shape the magma into amazing structures.
9. Rhabradh: The land of the Rhabradhian chthonians who wield the heat and control it in their homes.
10. Roots of the World: Also pass through here.
11. Wurnasaul: Thought to be the bottom of The Pit.

Sea: Solumque Sea is the huge lava sea that comprises this layer.

Purple are columns, red ringed means the ocean is lava.