‘’The Mask of Gorgon" is the seventy eighth episode of ThunderCats (original series) The Mask of Gorgon is a an artifact made out of solid silver, it was guarded by the Warrior Maidens and embedded in the oldest tree in their kingdom Shemlock, to ensure that it would always face westward, away from the hills of elfshima. It has the power to turn flesh into stone, and when given the power of sight beyond sight it is able to turn stone to flesh. When the mask was destroyed its magical effects ceased, even restoring the places destroyed by the Child of Gorgon.