In the midst of the Mass Effect Reaper War, humanity faces the greatest existential threat the galaxy has ever known. But as the Reapers prepare to destroy all sentient life, a new, unexpected force enters the fray: the Autobots and Decepticons, the ancient warring factions from the distant world of Cybertron.
When the Reapers’ imminent arrival is detected, the Autobots, led by Optimus Prime, ally with Commander Shepard and the Systems Alliance to fight for survival. The Decepticons, under Megatron, see the Reapers’ advanced technology as the ultimate power boost, and they scheme to seize control of the galaxy, siding with the Reapers to further their own dark ambitions.
At the heart of this unlikely alliance is Sam Witwicky, a young man who once fought alongside the Autobots on Earth, and Mikaela Banes, a tech genius and soldier who helped save humanity from the Decepticons. Now, they find themselves caught between two worlds—human and Cybertronian—fighting alongside Shepard and the Normandy crew to protect the galaxy. As Earth faces annihilation and the war escalates, Sam’s knowledge of Cybertronian technology and Mikaela’s technical expertise make them invaluable assets to the human forces.
