Obsidian Layer
Obsidian layer
Depth -777 to -1601
Mining Requirement 1,000 Blocks
Ores Copper, Silver, Gold, Ruby, Emerald, Sapphire, Uranium, Tektite, Amethyst, Platinum, Unobtanium, Fire Crystal, Adurite, Viridian, Turquoise.
Predecessor Granite Layer
Successor Gold Layer

The Obsidian Layer is the layer after the Granite Layer. It is currently the most difficult layer to mine, with the final upgrade being in the upwards of $8,000,000 Money. The Obsidian Layer runs from -777 to -1601.