Materials

Northlander Polearm BilletNorthlander Polearm Billet

Northlander Polearm Billet

Northlander Polearm Billet

Teyvat's Resources
4
Material

Weapon forging material. Can be used to forge 4-star polearms.

Philosophers believe marble has the potential to be sculpted into a beautiful statue. Likewise, these billets have the potential to become something greater.

Sources:

Reward for completing Trounce Domain Challenge in Mondstadt, Liyue, or Inazuma, or the Dominator of Wolves Challenge