Every now and then, something so pure, so destructive threatens the balance. Introducing NEMESIS PRIME. An alien abysmal and malevolent life force bent on destroying worlds. "It" cloned Optimus Prime, took his form, his power, his strength and proceeded to destroy everything in its path; including Autobots and Decepticons. Nemesis Prime has no fear, has no loyalties, stands beside no one. It is a vaccuous form and the most dangerous, threatening all life.