Tips： You Must Have Any one (+25 Strengthens Weapons) Or (+10 Strengthens Special Weapons), Otherwise can't trade! You can only trade items up to the max level you yourself had upgraded something, This is the game setting, Strengthens Weapons = Use Smithing Stone Upgrade. Special Weapons = Use Somber Smithing Stone Upgrade. If you don't Have ， I can only give you weapons that have not been upgraded ，