Once D-16, the hard working and loyal mining bot who abided by the rules, he has now become Megatron, the feared leader of the soon-to-be Decepticons. On his mission to Cybertron's surface to find the Matrix of Leadership, he learned the shocking truth that Sentinel Prime, the leader he admired, was a traitor and that his life was a lie. Fueled by hatred, rage and a thirst for revenge, he vows to kill Sentinel and make him pay. After his friendship with Orion ends, he does exactly what he vowed.