Twilight Sparkle is a mercenary framed for a crime she didn't commit and must stay ahead of her former client by relying on rival mercenaries to clear her name as two nations prepare for war.
Side story of the Pony POV Series. The title says everything you need to know really: It's The Sirens verses Nightmare versions of the Mane Six in the 'Discord Wins' timeline, while our heroes watch, who wins? TAKE YOUR BETS! Written by Godzillawolf.
A thousand years after Luna and a population of night-loving ponies moved to the moon, they're due to return to a day-loving Equestria, resulting in a clash of cultures and egos.
Starlight returns to Canterlot to pick up her things from her home to bring to her new home in Ponyville. After she does this, she and her Canterlot friends meet to talk about what happened recently and about her starting to live in Ponyville.
After Twilight Sparkle tells the Princesses of Equestria an alternate universe where everything is the opposite, Celestia and Luna are curious and decide to visit this alternate universe.
What if Rarity was born in Canterlot instead of Ponyville? What if Celestia became Daybreaker instead of Luna becoming Nightmare Moon? What if instead of Rarity becoming a stylist, she becomes Luna's student?