Ebony is a hard, durable, black glass-like substance that is said to be the petrified blood of a god. See the lore article for general information. These ore vein locations are also listed in the Ebony Veins category, and the exterior ore veins are shown on map. Ebony Smithing is the third perk in the heavy armor branch of the Smithing skill's perk tree. Unlocking it requires a minimum Smithing skill of 80, and the Orcish Smithing perk must have already been unlocked. It allows both ebony armor and ebony weapons to be crafted.