As the Empire grew in Members.....Apocalypse needed a bodyguard in who he could trust. In his first creation with the help of Sidecutter....Prime X had been created out of Apocalypse Lab. Apocalypse cloned Autobot Legend Optimus Prime and tweeked it with some Decepticon knowledge....so Prime-X would develop his own personality. Prime-X rarely goes to the battlefields and usually spends most of his time guarding Apocalypse Hq. During the Great War III....Prime-X went along with Apocalypse to visit Unicron. Prime-X transforms into a black Diesal Truck.
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