Long ago, at the top of the world, Love ruled a magnificent frozen empire. Then the sun rose, and darkness fell. (Based on T.S. Eliot's "The Love Song of J. Alfred Prufrock.")
Luna has long lived in Celestia's shadow, unnoticed by those ponies who should rightfully love and adore her. But there is one who has noticed her. The shadows. They watch, and notice both, and come forth to give praise as is deserved.
What could have caused the royal sisters of Equestria to turn against each other 1,000 years ago when all they had was each other? Let's just say this: chaos and corruption can be masked easily by affection and understanding....