Right before the Elements struck, the Nightmare unleashed a spell out of desperation. A substitution spell. Otherwise known as the correct use of Kawarimi.
When two unlikely ponies, Luna and Sombra, meet beneath the silver moon, will their love be everlasting, or will the darkness lurking in the Crystal Empire succeed in destroying them?
Luna is prepared to what no pony has ever done before and weave magic raw with all that burns within her to forge a way to escape the ostracism she has endured. She cares not what she does to remove her shackles in order to save all.
We all know what happened on the longest day of the thousandth year. But what about before then? What truly happened a thousand years ago? This is Celestia's story, of the day she lost her sister, Princess Luna, to a dark spirit named Nightmare