What to do with · Valheim 1.0.17
What to do with Mechanical Spring
A mysterious contraption built by the Dvergr. Used to build traps.
It goes into Vice, Trap and Ballista.
Stacks to 10Weight 5Can't go through portalsFull Mechanical Spring page →
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 Mechanical Spring
- Crafted at Artisan Tablestation level 1
Questions
›What is Mechanical Spring used for in Valheim?
It goes into Vice, Trap and Ballista.
›Can you sell Mechanical Spring in Valheim?
No. Traders only buy items with a trade value, and Mechanical Spring has none. The 9 that do: Amber, Amber Pearl, Ancient Coin, Draumyx, Grimvarn, Solryth, Veydris, Ruby and Silver Necklace.
›Can Mechanical Spring go through a portal?
No. Mechanical Spring is one of the items a portal won't take: carry it by boat, cart or on foot.
Source: recipes, building pieces, stations, altars, traders and the Obliterator in the files of Valheim 1.0.17 (2026-10-05), prefab MechanicalSpring.