Experimenting with magic can be dangerous, and when Twilight Sparkle accidentally pulls another pony's soul into herself, it nearly costs her everything she holds dear.
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.
Everything has a price. The smallest of actions, both good and bad, can place many into the grave. The roots run deep, after all, in any and all Equestrias.
Madness. Madness has overtaken Twilight Sparkle. The world ends when her spell is complete. Twilight has to die—and Spike has to kill her. But he can't. He loves her. So back in time he goes, learning to hate so he may complete the deed.
Can Twilight Sparkle figure out how to deal with the aftermath of a magical accident before it's too late? Fourth place finalist in the "Out of Time" writeoff prompt.
Twilight is awoken early in the morning to Rainbow Dash knocking on her door. The pegasus seems out of sorts, and this only becomes more apparent as time goes on. What could be wrong?
Nightmare Moon won. She defeated Celestia, broke the Elements, banished the sun. This all happened a very long time ago. So long ago, that she has had plenty of time to change her mind. Not that fixing it will be simple.