What to do with · Valheim 1.0.17
What to do with Mould: Robes of the Caller
Filled with the right material, this mould will create a spectacular piece of armour.
It goes into Cast: Robes of the Caller.
Stacks to 10Weight 1Full Mould: Robes of the Caller 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: Robes of the Caller
Dropped byHexen5%Deep North
Questions
›What is Mould: Robes of the Caller used for in Valheim?
It goes into Cast: Robes of the Caller.
›Can you sell Mould: Robes of the Caller in Valheim?
No. Traders only buy items with a trade value, and Mould: Robes of the Caller has none. The 9 that do: Amber, Amber Pearl, Ancient Coin, Draumyx, Grimvarn, Solryth, Veydris, Ruby and Silver Necklace.
›Can Mould: Robes of the Caller go through a portal?
Yes, Mould: Robes of the Caller can be carried through a portal.
›Where do you get Mould: Robes of the Caller?
Hexen. Every source is on the Mould: Robes of the Caller page.
Source: recipes, building pieces, stations, altars, traders and the Obliterator in the files of Valheim 1.0.17 (2026-10-05), prefab MoldArmorMageChest.