Bone Ingot
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Dense metallic bone, hardened into a solid bar. Crafting Ingredient
How to obtain
Found at a mystery
| Mystery | Where | What you get |
|---|---|---|
Skeleton Scarecrow![]() “It's an old scarecrow made of bones.” |
Sealed Chamber (3F) | Roll of 7+ (needs a Luck bonus): 1; once Blueprint: Skeletal Scarecrow has come out |
Investigate it and the die decides. A mystery can be investigated again once it resets; see Mysteries for what resets them.
Processing
- Made in the Blast Kiln, from the inputs listed below.
Made by processing
Bone Ingot comes out of a machine rather than a recipe.
| Machine | Input | Makes | Time | Fuel | Energy |
|---|---|---|---|---|---|
| Blast Kiln | Hard Bones | Bone Ingot | 1 in-game hour | 6 | 50 |
Energy is a requirement, not a cost: it is checked every time and never spent, so once the farm produces 50, this runs as often as you like. The Fuel column beside it is the opposite: coal is counted per item and taken out of your bag, so ten at once costs ten times the coal and the same Energy as one.
Recipes
31 recipes use Bone Ingot, at 4 stations.
Anvil (23)
Jeweller’s Desk (4)
| Makes | Ingredients | Learned |
|---|---|---|
| Necklace of Bone | Crafting Pattern (5) Cursed Bones (5) Wishbone (3) Bone Ingot (5) Bones (25) Steel Bar (5) |
Taught by Chloe · once each time it’s learned |
| Earring of Slime +3 | Crafting Pattern (1) Ghost Crystal (1) Bone Ingot (10) |
Known from the start · crafted once |
| Earring of Wealth +3 | Crafting Pattern (1) Dream Crystal (1) Bone Ingot (10) |
Known from the start · crafted once |
| Earring of Torture +3 | Crafting Pattern (1) Death Crystal (1) Bone Ingot (10) |
Known from the start · crafted once |
Tinker's Desk (2)
| Makes | Ingredients | Learned |
|---|---|---|
| Forge Upgrade (t3) | Forge Upgrade (t2) (1) Platinum Bar (2) Bone Ingot (8) Gold Plate (3) Spiritwood (20) |
Learned by using Blueprint: Forge Upgrade (t3) · once each time it’s learned |
| Generator | Gold Plate (2) Bone Ingot (5) Iron Bar (10) Void Crystal Bar (4) |
Known from the start |
Workbench (2)
| Makes | Tab | Ingredients | Learned |
|---|---|---|---|
| Skeletal Scarecrow | Scarecrows | Dripping Scarecrow (1) Bone Ingot (1) Bones (25) Leather (5) Gravemoss (5) |
Learned by using Blueprint: Skeletal Scarecrow |
| Kaal Idol | Utility | Bone Ingot (10) Bones (50) Void Crystal Bar (3) Verdite Bar (3) Gravemoss (10) |
Taught by Denzel · once each time it’s learned |
Gift preferences
Notes
- The listed Energy amount is only a capacity check and is not consumed, so the machine can be run repeatedly once that threshold is available.
- It is consumed by 31 recipes, making it a high-demand ingredient that is worth stockpiling.
- It is a useful gift for Molly, who likes it.

