This story is a sequel to Cheer Princess

Princess Celestia followed Sunset Shimmer through the mirror portal and became stranded in another world. Without her, Princess Cadance was the only pony left capable of moving the sun and the moon.

With the help of Zecora, Cadance learned to move the heavens, but as she brought about night for the first time, she accidentally released Nightmare Moon from her prison.

Now, with the assistance of Princess Cadance, Nightmare Moon rules Equestria. As the search for Princess Celestia continues, Cadance strives to reach the heart of Princess Luna, to restore her to the gentle and kind mare she once was, while Nightmare Moon learns what it truly means to rule a kingdom.

This story is a sequel to Flash Sentry, Defender of the Peace S3

The seventh instalment of the Flash Sentry Chronicles. After what could be considered the greatest battle Flash has ever participated in, Flash finds himself in the new role of being the protector of the newest princess of Equestria. However, he and his friends will soon see that this can bring new dangers, as a figure from Princess Celestia's past has come back to haunt her. Now, Flash will find himself in a place he never expected, in a new land that will defy everything he knows.

Edited by KingJoltik

Now on TVtropes

After a chance encounter with a bat species she's never seen before, Fluttershy gets bitten, and strange things start to happen. All normal food tastes foul to her, and instead, she thirsts for blood. As she slowly becomes more animalistic, her instincts heighten, and suddenly the feelings towards Rainbow Dash she'd been suppressing slowly begin to manifest. After a failed attempt to seduce her in order to feed, Rainbow Dash becomes committed to helping Fluttershy get well again while keeping her friend's dark affliction a secret.

This story is a sequel to My Little Mages: The Anointing

The day after the Crystalling of Flurry Heart, Twilight, Starlight and Spike are on their way back to Magiville. However, they are not the only ones on the train.
Also on the train is Flash Sentry and after almost of year of not talking to each other Twilight and Flash need to sit down and talk.

A chance encounter in Professor Fluttershy's class makes Sandbar ponder Ocellus in a new light. Namely, what makes a changeling... a changeling? And not a spider or an insect? Thankfully, he has his friends to talk to, and together they arrive at an articulate and scientific conclusion.

Stuff is weird.

A mysterious portal starts bringing characters from other franchises into Equestria for three days each. Only the being of chaos (somewhat) knows what's going on.

(Authors note: Be prepared for alot and I mean ALOT of crossovers. And alot of insanity. Enjoy.

Other tags that I don't have space for: Romance Tragedy

Also this story starts from season 5 episode 9 of the show and drastically changes alot of events.)

Sunset Shimmer and Twilight find themselves in the company of old enemies.

They whisper and slowly, they're taking matters into their own hands.

"To the city of Titans you will go, to the days of future past and back through Apocalypse. See the end of ends, and then battle my illusion.

Twilight and friends find themselves in a world of heroes, changed into their power ponies selves. There they must ask, who sent them and why? Meanwhile, two young women deal with nightmares from their past, reminding them of the horrors that they have wrought. United, the trio must go through challenges and many battles to find the cause of all of it, and save the universe once again.

They will travel through hell and back, seeing once and for all the heart of a hero and why friendship will never fail.

A crossover between X-men, Teen Titans, and MLP.

This story is a sequel to Fizzlepop's Wish

As a new year starts around Equestria, Grubber is settling into his new life in Ponyville, wondering how he can best help out with Fizzlepop's routine around the castle, with some sound advice from the Princess of Friendship's assistant.

Cover art by InuHoshi-To-Darkpen@Deviantart.com.

There was only one explanation. For all of it. All of the strange, erratic behavior. Her irrational fear of the sun. Her nocturnal habits of locking herself in in the dark and closing all the blinds. Wearing her sunglasses everywhere, even inside! It was time to invest in some silver, garlic, and a wooden stake.