This weapon needs to be hardened with frost.
Full material breakdown in the crafting calculator →
20 Bloodgold + 1 Mould: Nord Atgeir + 10 Timberwood → 1 Cast: Nord Atgeir
Unlocks once you have stood near a Black Forge of level 4 and picked up each of: Bloodgold, Mould: Nord Atgeir, Timberwood.
