Sometimes the past comes back to haunt those of the present. Evil has been known to attack Equestria before, so why would this be any different? An evil arises that frightens even Celestia and Luna to their core, an evil that threatens the lives of everyone in the world. It is now up to Twilight and the others to fight off this new evil, lest the world be his for the taking. But how can you fight a foe with a power to match even that of the Elements of Harmony?