The Worn Whetstone is a rare resource used for crafting perks on items in New World game.
Description: Crafting item with a weak attunement to the Brash and Opportunist weapon traits. Has a max stack size of 10000, weights 1 and is tier 1.
Here is how to obtain:
This is only obtainable via reward from a War event.
Item Class - Resource Perk Resource
Trade Family - Special Resources
Trade Group - Offensive