A defeated Sombra finds an unexpected ally deep below the surface of the Crystal Empire- one that's waited an eternity to set things "right" for the entire planet. When he returns to bring war and the destruction of everything ponies have worked for, will the magics friendship can forge be enough to turn back dark powers older than Celestia herself? Or will Sombra be the spark for a fire that burns the peace and order of the world into monster-filled ashes?

(This story lovingly borrows plenty of elements from Square-Enix's work and mythologies as the chapters progress- and the cover image is mildly spoiler-iffic for the later story.)