Mithral Grindstone

A can be used in Weaponsmithing tasks that require a Grindstone as an asset. They can also be used in tasks as Optional assets that allow for Tools, where they give +40% Quality (increase chances for a higher tiered result).

They can be obtained by opening a or asset pack, which are bought from the Zen Market. They can also be traded and bought/sold on the Tarmalune Auction House.