What to do with · Valheim 1.0.17
What to do with Black Core
Filled to the brim with ancient power.
It goes into 1 recipe and 3 building pieces.
Stacks to 20Weight 1Full Black Core page →
Craft with it (1)
Earliest first, by the biome where everything the recipe needs can first be had.
Build with it (3)
Last resort: the Obliterator
Obliteratorturns any 10 items (stacks counted one by one) into 1 
Coal; the rest is lost.
Incinerator.Incinerate in the game code.
Where to get more Black Core
- Picked fromBlack Core
- Picked fromDvergr town entranceMistlands
- Found inAncient ChestDeep North
Questions
›What is Black Core used for in Valheim?
It goes into 1 recipe and 3 building pieces.
›Can you sell Black Core in Valheim?
No. Traders only buy items with a trade value, and Black Core has none. The 9 that do: Amber, Amber Pearl, Ancient Coin, Draumyx, Grimvarn, Solryth, Veydris, Ruby and Silver Necklace.
›Can Black Core go through a portal?
Yes, Black Core can be carried through a portal.
›Where do you get Black Core?
Black Core, Dvergr town entrance, Ancient Chest. Every source is on the Black Core page.
Source: recipes, building pieces, stations, altars, traders and the Obliterator in the files of Valheim 1.0.17 (2026-10-05), prefab BlackCore.