The Stone Of Attamon is a powerful fragment of the Comet Of Lost Souls (Attamon) which fell to Earth and was converted into a stone of power by a Great Magician. It is a red ruby-like stone which fits into the Hellbound Amulet or the Amulet Of Lost Souls. Every 300 years, it fits into one of the 2 amulets and can connect with the Comet Attamon via a beam of red light.