Smithing Stone [4] is an Upgrade Material in Elden Ring. Smithing Stone [4] is a rare stone used to boost the stats and to increase the weapon to a higher level. Upgrade Materials can be acquired through exploration, looting it from specified areas of a Location, dropped by a specific Enemy or Boss, given by an NPC, or sold by a Merchant.Stone used to smith a variety of armaments. A large and particularly hard specimen.