Death wasn't part of Twilight's plans for the weekend. Twilight was part of Death's plans for the weekend. Neither had foreseen someone else arranging a compromise.
Not long after her release back into the general population of Ponyville, Screw Loose vanishes without a trace. During a search of her home one week after she was last seen, a video recording of her apparent final hours is found.
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.
Home alone for the first time is a ritual of passage for the young. It's all fun and games for one filly ... until night falls. Are those creaks the sounds of the house settling in or the stalking steps of something searching sustenance?
The start of the virus was unknown, but it started and spread through Equestria like wildfire, killing countless thousands of ponies. Hardly any are still alive, and the ones that are struggle to survive. The Mane Six are a few of the survivors, and
Celestia tests Twilight's limits by teaching her to deal with pain and death. This is all for Twilight's benefit, or at least that's what Celestia is telling her.
Doctor Sparks had heard stories about Canterlot General Hospital being haunted. In retrospect, he probably should’ve listened to them. Right now, all he wants is to escape the monsters pursuing him and get out before it's too late.
The Rock Farm is isolated from everyone. Marble Pie knows that. That's why no one else has seen the mouth in the snow, following her wherever she goes. Every day it's closer, and today she's alone. And the snowfall has become very deep...
Wrapped in darkness, Fluttershy finds herself in an unknown place. Where are her friends? How did she get there? What's that scratching sound following her and why is she terrified of it...