| Item Type | Material |
| Usage | Forging Material |
| Rarity |  |
Item Description
Weapon forging material. Can be used to forge 4-star swords. 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 known as Northlander Sword Prototype, this prototype material are used to forge 2 craftable weapon:
Where to Get Northlander Sword Billet?
Buy from Marjorie, With Winds Comes Glory Souvenir Shop in Mondstadt
Marjorie from With Winds Comes Glory Souvenir Shop in Mondstadt selling some early weapon upgrade material and Northlander Sword Billet. This sword prototype can be purchased with 225 anemo sigil which can be collected during player journey across Mondstadt.
Reach Sacred Sakura Favor Level 4 in Grand Narukami Shrine, Inazuma
Another guaranteed way just comes up with Inazuma release. Reach level 4 in Sacred Sakura Favor and player will obtain some rewards including Northlander Sword Billet.
Finish Farmer Treasure Quest
In the end of this quest, player will be rewarded with Saimon Heirloom Blade Diagram (Amenoma Kageuchi blueprint) along with 1 sword billet. More information read: The Farmers Treasure
Dropped From Weekly Bosses
Northlander Sword Billet also have a chance to drop from weekly boss fight.
 Stormterror Dvalin |  Andrius Wolf of North |  Childe |  Azhdaha |
