Treasure Sand is a minable block inside the vault, that looks similar to yellow concrete powder. You can find Treasure Sand inside Treasure Rooms and inside the Omega Digsite Room.
If you mine treasure sand you can get various amounts of items from Chromatic Iron to Catalysts.
Obtainable Item from Treasure Sand:
| Icon | Name | Roles | Probability |
| Bronze | 2 - 6 | ||
| Mod Box | 1 | ||
| Infused Catalyst | 1 - 2 | ||
| Waxing Focus | 1 | ||
| Waning Focus | 1 | ||
| Empowered Chaotic Focus | 1 | ||
| Lost Bounty | 1 | ||
| Treasure Deck | 1 | ||
| Treasure Chest Scroll | 1 |