In the time before Celestia and Luna, countless ages before the founding of Equestria and the union of the three pony tribes, Harmony and Discord were at war to control a chaotic world. One sought to create unity and peace; the other to prolong the wars and deepen the divides. However, Discord always wanted more; and when he begins to take it, not even Harmony can stop him.

On the path to his new destiny, Discord unleashes chaos unlike the world has ever seen in order to get the one thing he truly desires: a body.