All anvils
| No pass | Reach Room 10 (reported) | Station label (reported) | |
| No pass | Reach Room 15 (reported) | Station label (reported) | |
| No pass | Reach Room 20 (reported) | Station label (reported) | |
 25x | 199 Robux pass | Has an Index requirementTo verify | Game pass (official) |
 50x | 299 Robux pass | Has an Index requirementTo verify | Station label (reported) + Game pass (official) |
 100x | 399 Robux pass | Has an Index requirementTo verify | Station label (reported) + Game pass (official) |
| 499 Robux pass | 24 Index entries | Station label (reported) + Game pass (official) |
How anvils work
Walk onto a station and press the PLAY prompt. Your Power rises at the anvil multiplier, and the official pass descriptions say the gain is based on your equipped pickaxe, so a better pickaxe speeds up every anvil.
The 25x, 50x and 100x passes each "bypass the anvil's Index requirement", so those anvils are also gated by your Index. Cutting new materials is therefore part of training faster.
The lower stations unlock by depth instead. In the MicoSoup video, the 5x station opened after reaching Room 10 and the 10x station after Room 15, with 15x next at Room 20. Each tap on an anvil adds Power at once, so the per-tap amount jumps every time you buy a new pickaxe.
Are the anvil passes worth it?
Each pass is permanent and only skips the Index requirement. If you are close to the entry count, keep cutting new materials instead. The 2x AFK Speed boost (79 Robux) doubles Power on every anvil, including the free ones, so it is usually the better first purchase.
Not published yet
Questions
How do I unlock the 200x anvil in Cut a Rock?
Reach 24 entries in your Index, or buy the 200x Anvil game pass for 499 Robux.
How much do the anvil passes cost?
25x costs 199 Robux, 50x costs 299, 100x costs 399 and 200x costs 499. Each one is permanent.
Does the anvil keep working when I log off?
You keep gaining Power offline, so it is worth logging off on your best anvil.