The Starmetal Weaponsmiths Charm is a rare resource used for crafting perks on items in New World game.
Description: Crafting item with an attunement to the Weaponsmith's Mastery armor trait. Has a max stack size of 10000, weights 1 and is tier 2.
Here is how to obtain:
You can find these in supply crates or ancient containers.
Item Class - Resource Perk Resource
Trade Family - Special Resources
Trade Group - Utility