- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
A ancient Vulcan weapon long ago banned due to its violent nature. The weapon had the capability of amplifying telepathic energy of its user in order to kill its intended victim. In Vulcan lore the weapon was known as the Stone of Gol and was thought to be the most destructive weapon ever created.