It all began at the summer sun celebration, and a pony as black as sin, and then the legendary lone guardian is not only revealed, but falls victim to the nightmare spell. As Twilight learns more about this legendary hero, another secret is revealed, as the hero is royal by birth, but no throne.
the selfless hero voluntarily cast himself to the moon to fight the nightmare spell, but will he returned healed, or a full nightmare. can the mane six defeat a not only full powered alicorn, but a creator of the elements themselves???