Item Type	Material
Usage	Forging Material
Rarity

Weapon forging material. Can be used to forge 4-star bows. 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 Bow Billet — Northlander Bow Billet

Usage: Weapon Forging

Previously known as Northlander Bow Prototype, this prototype material are used to forge 2 craftable weapon:

Where to Get Northlander Bow Billet?

Buy From Xingxi, Mingxing Jewelry in Liyue Harbor

Xingxi from Mingxing Jewely in Liyue Harbor selling some weapon prototype materials, which including Northlander Bow 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 bow prototype, she also sell Claymore Billet, Catalyst Billet, and Polearm Billet.

So far this is the only reliable and guaranteed way to get bow prototype in the game . hopefully we will get more options with next region release.

Xingxi Owner of Mingxing Jewelry Can Be Found In Liyue Harbor

Xingxi Wares In Mingxing Jewelry Including Northlander Bow Prototype

Dropped From Weekly Bosses

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