Ultranium/Dark Depths

The Dark Depths is a biome that generates on world creation. It is generated directly under the ’s tower, requiring a Pickaxe Axe to mine the stone leading to it. There is a lot of water in the biome as well.

At the bottom of the biome there is an Eldritch Chest that contains the, a material which turns into the , an item which summons the , an endgame Event.