Tyrannical.

Fearsome.

Horrifying.

Those are few of the many words that describe the new Empress. Queen Chrysalis. Turns out that 'Princess Cadence' was disguised as the Changeling Queen. Twilight's gone missing, the Elements have been separated, and Celestia has been captured. Equestria has fallen into darkness and Princess Luna is nowhere to be found. Along the way, another of the Elements is lost.

Rainbow Dash.

But stranded on a small island, Dash finds a mysterious temple that might hold the key to Equestria. But in order to do that, she must do things she never thought she'd do.