After teleporting, Twilight is trapped, devoid of magic, in a pocket dimension full of corpses. At least she has a friend though. Twilight, meet Twilight.
The duality of the Two Sisters has always been a mystery. Despite being opposites they have ruled together for thousands of years, and the world keeps on turning. How is this possible, and could true Harmony be more sinister that it seems?
The world as we know it has come to an end. Our homes are destroyed, our bodies tainted, and our lives irreparably torn asunder. Madness and violence have become the very air that we breathe. But despite it all, Harmony has not abandoned us. Not yet.
Nightmare Moon's about to return and Equestria needs a savior, but don't worry: Celestia's got everything under control. Just as long as Twilight goes to Ponyville on time, and not to Moondancer's party instead--but why would she ever do that?
Princess Celestia has been keeping a dark secret from her subjects for a very long time. It's not an easy truth to tell, but if anyone can accept her after learning it, it will surely be her most faithful student.
To the far east across the vast sea is the forgotten homeland of the diamond dogs. A land once full of poverty, sickness, and famine has become a new super power that threatens Equestrias economic dominance/standing.
Discord knew this was coming. He knew. So did Princess Twilight. They knew. They saw it coming a mile away. Yet they let this happen anyway. Why couldn't they just let things stay the same? Who's the bigger fool?
In the blink of an eye, all life was wiped from the face of Equus by an abomination born of the stars. That is, all except for four immortal Princesses. Now they fight for the only thing they have left other than their grief... revenge.
Sometimes, there are states of emotion that can overwhelm even the mightiest of creatures; or so they say. Queen Chrysalis had never taken stock in such tales, nor the creatures that told them. Until today that is.
Alternate ending to the episode 28 Pranks Later. When Rainbow Dash realizes that she had just killed and zombified everypony she ever loved, there is only one way to redeem herself...
There is a secret held in the dungeons below Canterlot, deeper than the crystal caverns into the roots of the mountain. This secret is a creature imprisoned by the Princesses. It is a source of great knowledge, but may ultimately be a great enemy.
Years after the war, Spike watches as Twilight slowly die from cancer infront of him and prepares for a future without her. (Part of the NegotiationsVerse)
The Conversion War is over, ponies have lost a war caused by their formally beloved leader Celestia. Reservations in the former Equestrian state have been set up, while humans move into the new state of Lincoln.
Equinought Squadron finally takes to the stars to aid the Iron Warriors in the Long War against the hated Imperium. But there are many more dangers to be found in the void than the weapons of mere mortals...
Something isn't quite right about Tree of Harmony, and Twilight Sparkle will do whatever she can to find out what. The mystery she stumbles upon however, reaches much farther than she knows, and she'll soon find some secrets are best kept hidden...