In the distant future, the evil UNICRON wages a final war for ultimate control of the universe, summoning a vast army of DECEPTICON forces from across time and space. Responding quickly, OPTIMUS PRIMAL gathers his own army of heroic AUTOBOT forces and marches into battle against the aggressors. As the enemy sides clash in the biggest war the universe has ever seen, their bodies emit a powerful radiation known as Energon. Little do they know that UNICRON is secretly harvesting this mysterious force to increase his own strength! Help fight the good fight with this excellent TRANSFORMER figure!