My take on the Cosmic Key from Cult movie Masters of the Universe 1987
Cosmic Key is a fictional device from the Masters of the Universe film. It is a device that allows anyone to travel anywhere in any dimension, Skeletor managed to obtain one device, its creator Gwildor was able to make another.
Masters of the Universe (stylized as Masters of the Universe: The Motion Picture) is a 1987 American fantasy film based on the Masters of the Universe franchise by Mattel. The film was directed by Gary Goddard, produced by Yoram Globus and Menahem Golan, and written by David Odell. It stars Dolph Lundgren, Frank Langella, Jon Cypher, Chelsea Field, Billy Barty, Courteney Cox, Robert Duncan McNeill, and Meg Foster. The film follows two teenagers who meet He-Man, the most powerful man in the universe, who travels to Earth with his friends to stop their archenemy, the evil Skeletor from obtaining a cosmic key that will enable him to take over their home planet of Eternia and the entire universe.