What to do with · Valheim 1.0.17
What to do with Sealbreaker Fragment
A fragment of a Dvergr sealbreaker.
It goes into Sealbreaker.
Stacks to 9Weight 0.5Full Sealbreaker Fragment page →
Craft with it (1)
Earliest first, by the biome where everything the recipe needs can first be had.
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.
Questions
›What is Sealbreaker Fragment used for in Valheim?
It goes into Sealbreaker.
›Can you sell Sealbreaker Fragment in Valheim?
No. Traders only buy items with a trade value, and Sealbreaker Fragment has none. The 9 that do: Amber, Amber Pearl, Ancient Coin, Draumyx, Grimvarn, Solryth, Veydris, Ruby and Silver Necklace.
›Can Sealbreaker Fragment go through a portal?
Yes, Sealbreaker Fragment can be carried through a portal.
Source: recipes, building pieces, stations, altars, traders and the Obliterator in the files of Valheim 1.0.17 (2026-10-05), prefab DvergrKeyFragment.