Once upon a time, long ago, there was a land ruled by the two Celestial sisters and filled with peace and harmony.
But now, what remain is a dark and tainted land.

Black Nova, once known as the Princess of Friendship, and one of the Elements of Harmony, is the tyrant who rules the new land of Equestria, ignoring the conditions in which it and his citizen prevail.

Against her, rise the groups of the resistance: from the Iron Hoofs of Applejack to the Fictitious Locust of the changelings.
Along with the illness of her reign, the Crystallization, of which even she, with her mighty powers… is deadly affected.

The tyrant's time is running out, and the resistance is getting more and more stronger every day, by expanding both troops and territories.
If Black Nova wants to die in peace, she must first kill her old friends and everyone who follows them.