Item Type	Material
Usage	Forging Material
Rarity

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.

Prototype Northlander Polearm Billet — Northlander Polearm Billet

Usage: Weapon Forging

Previously known as Northlander Polearm Prototype, this prototype material are used to forge 3 craftable weapon:

Where to Get Northlander Polearm Billet?

Reward from Spiral Abyss Chamber’s Bounty, Floor 3 Chamber 3

One time reward from Spiral Abyss Chamber’s Bounty, Floor 3 Chamber 3. By clearing that floor you will also get Xiangling.

Spiral Abyss Chamber's Bounty Floor 3 Chamber 3 Reward — Spiral Abyss Chamber’s Bounty Floor 3 Chamber 3

Reward from Level 8 Frostbearing Tree in Dragonspine

Frostbearing Tree in Dragonspine have 12 level of rewards for collecting Crimson Agate which scattered across the region. You can get 1 Polearm Billet for stage 8, which for most player used for The Festering Fang Quest (Collecting Dragon Fang and get Dragonspine Spear as reward)

Polearm Billet As Reward For Frostbearing Tree Level 8

Buy from Xingxi From Mingxing Jewelry in Liyue Harbor

Xingxi from Mingxing Jewely in Liyue Harbor selling some weapon prototype materials, which including Northlander Polearm Billet. All weapon prototypes in her souvenir shop can be purchased with 225 Geo Sigil which can be collected during player journey across Liyue.

Other than Polearm prototype, she also sell Bow Billet, Claymore Billet, and Catalyst Billet.

Xingxi Owner of Mingxing Jewelry Can Be Found In Liyue Harbor

Xingxi Wares In Mingxing Jewelry Including Northlander Polearm Prototype

Dropped From Weekly Bosses

Northlander Polearm Billet also have a chance to drop from weekly boss fight.