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Partnered with Forth, Back was assigned to work with Quillfire in stealing supplies to repair the Alchemor, aboard which all three were formerly incarcerated. Using their magnetic powers, the two Mini-Cons proved quite effective against Bumblebee's Autobots and impressed Quillfire. However, once Grimlock and Fixit joined them, the Autobots managed to defeat both Mini-Cons and their Deployer.