Equestria has been at peace after the defeat of Tirek 2 years ago. But now, an old enemy has returned and taken control of one of the Elements of Harmony. With Princess Celestia defeated, her friends missing or possibly dead, and Equestria nearly in ruins, Twilight Sparkle is forced to do something she really doesn't want to do. Fight against her closest friend. Will Twilight be able to defeat this "Soul Eater"? Just what is this mysterious dark armor her enemy wears? And just who is her new enemy and old friend? The Legendary Flames are about to return to their masters.

Not a crossover with the anime Soul Eater