Deep within the catacombs of Canterlot Castle lies a forgotten secret. One that promises incredible power to those who wield it. But such power isn't without a price now that the secret has seen the light of day. Twilight, Applejack, and the rest of the Elements of Harmony must endeavor to recover the greatest legacy of Star Swirl the Bearded before Equestria pays the price once more. However, does one among them have ulterior motives?

Edit: 5/26/13 - The story is on hiatus while other projects are completed. My apologies.

A/N: Some LunaJack, hints of Twilestia. Marked Teen for content. Artwork courtesy of Emkay-MLP of DeviantArt.