Hackmanite

Hackmanite is an item in Outward commonly used for Crafting.

Can be used as a bartering item, as it's buy and sell price is always the same.

Description
"Dark gem with intricate magical properties. Craftsmen in Levant can create wizardly robes from this material."

Uses

 * Used to craft the Tenebrous Set and Tsar Weaponry
 * Required to open a Troglodyte Gem Door in Under Island