Somber Smithing Stone [7] is an Upgrade Material in Elden Ring. Somber Smithing Stone [7] is one of the rarest forms of the somber smithing stone used to reinforce special armaments 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.Polar smithing stone drained of color.