Transformers: The Headmasters bot Headmasters, led by Cerebros return to their home planet to aid in its defense. The situation soon gets worse when it is revealed that Vector Sigma, the super-computer at the planet's heart, was destabilizing, and Optimus Prime again sacrifices his life to save Cybertron. This soon proves to be only delaying the inevitable, however, when a bomb attack instigated by Scorponok turns Cybertron into a burnt-out, inhospitable husk. Rodimus Prime departs to search for a new planet for the Transformers to live on, leaving Cerebros in command, operating from the planet Athenia. Meanwhile, Scorponok replaces Galvatron - who had
Thirteen (Transformers) at his request, though Optimus states that it will only be if he is his equal rather than leader. In "Overload, Part 1" Micronus appears again briefly to recover the additional power the Primes had provided to Optimus for his battle with Megatronus. Thirteen (Transformers) The Thirteen Original Transformers (sometimes referred to as the Thirteen Primes, the Dynasty of Primes or simply the Thirteen) are thirteen fictional characters in the Transformers toy and entertainment franchise created by Hasbro. They are usually portrayed as the first thirteen living beings created by Primus, the creator of the Transformers and their home planet