Transformers Cybertron's Last Stand

Powers have been shifting between the Autobots and Decipticons for thousands of years. Now at the peak of the war Sentinal Prime has come to the conclusion that the Allspark must be hidden off world until Iacon is under their control again. While Megatron has discovered a weapon that will insure victory and destroy the Autobots once and for all. But for it to work he must gain influence inside the Autobot ranks. And he knows exactly who the right bot is.