All Celestia ever wanted was to be on the sun control team, but the North is freezing, sinister schemes are in motion, and her world needs heroes – before it's too late.
Remember when Sunset yelled at Twilight for putting everyone's lives in danger? Well, Rarity does, and she's a bit confused—after all, how could their lives be in danger when it's quite literally impossible for humans to die?
Princess Luna disappears from Equestria with hopes of saving the world and is accompanied by the enigmatic Sombra. Meanwhile, Celestia tries to bury secrets as immortal as she is and Cadance must choose her loyalties carefully...
Sombra is by no means an easy opponent. He is a manipulative wild card who has cheated death twice, and seeks to do so one more time. But, how many ponies can cheat death forever?