Equestria has been defeated. Nightmare Moon has won, and Princess Celestia has been banished to the moon. The ponies that fought for Princess Celestia now find themselves left with a choice: swear fealty to the Princess of the Night, or die.
There are things a Princess cannot do. Over the centuries, Celestia has been asked to do those things countless times. And the moments when her ponies need her the most are the ones where she can't do anything.
When a new mission for the Element-Bearers (from an unexpected source) arrives three weeks after Twilight's ascension, she finds herself forced to confront a pair of questions: what truly makes an alicorn? And what happens if it goes wrong?
Twilight finds herself struggling without a clear path in front of her, as a princess. In a bout of panic she seeks out her mentor, Princess Celestia, in the hopes of gaining answers, only to find herself with some much more distressing questions.
As life in the palace proceeds as normal, Princess Celestia comes down with an illness. All knowledge has a price, and some doors once opened can never be closed again.
Izzy Moonbow has always felt alone. Until one day, when she comes across a garden hidden amongst the trees and its caretaker, a strange mare named Luna.
The Fire of Friendship that once united ponykind has all but faded. One thousand years ago, Equestria fractured... those who disagreed with Celestia's rule left under the leadership of Princess Luna to found their own nation, their own way of life.
When Twilight visits Celestia's private hall of stained glass windows, the portrait of an ancient astronomer catches her eye. Who was this pony? Why was she so important to Celestia? And why does she look so familiar?
Time traveling from five thousand years in the future, Twilight Sparkle—or as she prefers, Glitter-Flanks—has one mission: to establish the closed time loop that sets her and Celestia up as a couple, by flirting as aggressively as possible.
For Twilight, the increased lifespan that came with princesshood had forced her to outlive her friends, but thanks to Rarity, she will learn that centuries could be lived in but a single day.
Life is like a train ride, don't you think, dearest? Destinations will change, trains will be caught and missed, but there will always be somepony willing to journey with you—so long as you let them.
Discord’s lack of empathy and a pony's sensibility has been tolerated by Celestia, but while both the princesses and the bearers of the Elements of Harmony struggle with even more dire problems, Discord is forced into a lesson of his own.
In a hospital lies a girl. For five years, she has slept, as her nurse recorded her dreams. In these dreams, she is happy, and safe. This girl's name, is Twilight Sparkle.
Princess Twilight Sparkle is as eternal as time itself, and yet holds a mortal heart. She knows loss, for she has lost. She knows love, for she has loved. What then, is there left for one who will forever remain?
Twilight wants to reestablish the close relationship she had when she was Princess Celestia’s personal student. But, shared trials will require them to become much more than faithful student and immortal mentor.
In a city as corrupt as it is beautiful, Detective Rarity searches for her missing lover, Officer Twilight Sparkle, with the help of her former mentor, Celestia.
Rarity had always known she would have an arranged marriage—such was the life of a princess, after all. She just hadn't expected her wife to be a sphinx or that she would actively avoid her, and not just because she loves books.
What do you do when you discover that a mistake you'd thought long fixed is still at large? If you're Twilight Sparkle, you bend time and space to fix it. With friendship, of course.
An ancient magical artifact causes floating lie meters to appear above everypony's heads. This causes Twilight to reflect on honesty and friendship. Based on an idea by theworstwriter.
Following the return of the Crystal Empire, Twilight begins some intensive research into the history of the Empire and its late king. What she finds changes everything she knows about herself.
In a steampunk reimagining of the universe, Twilight Sparkle finds perhaps the one pony as lonely as she is. It's rather unfortunate that they're on the moon.
A deal between rulers, a bargain that seems too good to be true, and a unicorn caught in the middle of it all. Between Celestia, Luna, and Chrysalis, how is anypony supposed to stay sane?
With her new apprenticeship under Nightmare Moon, Empress of Equestria and Queen of the Eternal Night, the orphan filly Twilight Sparkle plunges head-first into the conspiracies, secrets and intrigues of the Empire.
A young woman catches the eye of a stunning vampiress and finds herself transfixed, longing for the undying embrace of Twilight Sparkle, the former Regent of the Night.
After her coronation, Twilight is confronted by the complexity of court politics and the pressures of the crown. Not to mention her hidden relationship with Princess Luna . In the end she'll discover the ups and downs of being royalty.
Twilight is unable to control her powers during the entrance exam to the School for Talented Unicorns, and in order to reduce the damage caused by her power surges, Celestia shrinks her down until she would later learn how to control her powers.
When Twilight is awake, Celestia is her teacher, and she a faithful student. But when Twilight shuts her eyes, another mare approaches, who teaches her a very different lesson.