This is the deepest Layer of the game and can be chaacterized by Lava pools, Ash Block ceiling and an animated background showing veins containing lava. This is probably the toughest area of the game; as it is home to several challenging enemies including Walls Of Flesh(Boss).
Unique item drops for this Environment are:
- Plumber's Hat- Dropped from Fire Imps.
- Demon Scythe- Dropped from Demons.
- Guide Voodoo Doll- Dropped from Voodoo Demons.
- Fireblossom- Dropped from vegetation.
- Ash Block- Dropped from terrain.
- Demon Torch- Dropped from terrain.
- Hellstone- Dropped from terrain.
- Hellstone Brick- Dropped from terrain.
- Obsidian Brick- Dropped from terrain.
- Obsidian Brick Wall- Dropped from terrain.
- Hellforge- Dropped from terrain.
- Shadow Chest- Dropped from terrain.

