|Sub Category||Forging Material|
In Game Description
Weapon forging material. Can be used to forge 4-star catalysts. Philosophers believe marble has the potential to be sculpted into a beautiful statue. Likewise, these billets have the potential to become something greater.
Usage: Weapon Forging
Previously, this item known as Northlander Catalyst Prototype. It’s used to forge 4 craftable bow in Genshin Impact:
|Frostbearer||Hakushin Ring||Mappa Mare||Prototype Amber|
Where to Find Northlander Catalyst Billet?
There’s some options available about how to get Northlander Catalyst Billet, as listed below:
Reward from Adventurer Handbook Chapter 4
You can get Northlander Catalyst Billet after completing all missions in the Adventurer Handbook Chapter 4. To be more specific you can get this reward around Adventure Rank 18-20, after unlocking Stormterror Lair with main quest and activating Statue of the Seven in the center of Stormterror Lair.
Obtainable from Northlander Billet Trove
Northlander Billet Trove is an item that contains 5 choice of weapon prototypes. This item usually can be obtained from major in game event.
Xingxi from Mingxing Jewelry in Liyue Harbor
Xingxi from Mingxing Jewelry in Liyue selling this Billet for 225 Geo Sigil. You can get Geo Sigil from your exploration across Liyue.
Other than bow prototype, Xingxi also sells 3 other billets: Catalyst Billet, Claymore Billet, and Prototype Billet.
Chance to drop from Weekly Bosses
This item also have a chance to drop from 4 weekly bosses in the game:
|Stormterror Dvalin||Lupus Boreas||Childe||Azhdaha|