Silver key black is a key and reward from the Shades of Mort'ton minigame. To obtain it, the player must kill a fiyr shade and then burn its remains on a pyre. The key received may be used to enter the Shade Catacombs and then open the correctly coloured chest. It will open a silver-framed chest with a black lock. This type of key can be used to open any door within the tombs, giving the player unrestricted access to all areas.