The Transformers have been At War for years , Both Autobot and Decepticon's have won victory's and lost battles But D uring The Finale battle before Arriving on Earth , Optimus Prime and Megatron , once best friends and brothers , killed each other in a brutal duel Hotrod , now leading The Autobots as Rodimus Prime takes a crew of Autobots to Earth , however due to delays The Decepticons arrive and wipe out most of humanity except for a few survivors like Mech and Ksi Starscream , now leading The Decepticons , tasks The Duocons Battleslash and RoadTrap to gather Energon , this is where our story begins