What to do with · Valheim 1.0.17
What to do with Mould: Echo Spike
Filled with the right material, this mould will create a powerful magical item.
It goes into Cast: Echo Spike.
Stacks to 10Weight 1Full Mould: Echo Spike page →
Craft with it (1)
Earliest first, by the biome where everything the recipe needs can first be had.
What Hugin says
Moulds can yield fascinating results! But it is not enough to merely fill them with materials – they also need to be hardened with the help of extreme temperatures...
Hugin's tip “You have found a mould!”, shown when you first pick it up (Player.AddItem).
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 Mould: Echo Spike
- Broken fromPile of Rubble
- Broken fromMorkhalla weapon stand3.2%
- Found inChestDeep North
Questions
›What is Mould: Echo Spike used for in Valheim?
It goes into Cast: Echo Spike.
›Can you sell Mould: Echo Spike in Valheim?
No. Traders only buy items with a trade value, and Mould: Echo Spike has none. The 9 that do: Amber, Amber Pearl, Ancient Coin, Draumyx, Grimvarn, Solryth, Veydris, Ruby and Silver Necklace.
›Can Mould: Echo Spike go through a portal?
Yes, Mould: Echo Spike can be carried through a portal.
›Where do you get Mould: Echo Spike?
Pile of Rubble, Morkhalla weapon stand, Chest. Every source is on the Mould: Echo Spike page.
Source: recipes, building pieces, stations, altars, traders and the Obliterator in the files of Valheim 1.0.17 (2026-10-05), prefab MoldStaffOrbofAhri.