Sequel to The Celestia Code. When the monsters created by the dark crystal engine escape their prison, it's up to Princess Twilight to deal with them. She gets help and advice from Princess Luna, but things don't go as planned.

Once upon a Tuesday evening, the Queen of Changelings came into a house of ponies to plead for their help.

Twilight Sparkle awakes one day to find that she is a changeling

Celestia has been keeping a close eye on her once wayward sister Luna, but that hasn't stopped Luna

I'm a alicorn raised by my mother Princess Luna

Nightmare Moon beat Twilight and her friends, before they could use the Elements and Twilight must face something, that would Change her Life forever!

Heroes are not born. They are made. And the Crystal War was a forge of heroes, turning even Nightmares into hope. This is the story of six Nightmares; Twilight, Starlight, Sunset, Trixie, Luna and Sunshine, the first of the Nightmare Knights.

What if, when queen chrysalis invaded Canterlot she won. What if the Elements Of Harmony we actually destroyed. If you've ever heard the theory of alternate universes. You know that everything that happens in our Equestria, there is another Equestria

Twilight Sparkle learned what Celestia was training her for at a young age. With years of preparation and forewarning the battle between Twilight and Nightmare Moon went very differently.

A short AU, one-shot of where Twilight's mind is scrambled about through hypnotism by Starlight Glimmer

Rarity finds out that she is not who she thought she was at all...

Desperation sometimes drives us to do irresponsible things. For Chrysalis? At a maximum. With the use of forbidden chaotic magic, Queen Chrysalis manifests a being that should not be. A being that's fully aware of how screwed up its existence is.

When Sombra returns from his defeat, he pulls Twilight into a world of Darkness. Can Starlight, her faithful student, rally the othe Elements of Harmony to sve her?

King Sombra rules over the Crystal Empire with his queen-Twilight Sparkle!

Sorry about the pic! Oneshot, the tyrants of the Crystal Empire King Sombra & Queen Twilight tak about hwo they conquered the empire together! Rated for some sexual reference! Twilight/King Sombra