She can swim far and wide across the waters of Equestria, but it's not enough. There are places above those waters, places she plans to reach. Where biology failed her, her mind would succeed. Equestria better be ready, because she plans to visit!
The humans have travelled to Equestria to share their knowledge with the ponies. However, what the human scholars bring with them quickly turns out to be a bit much for the simple-minded locals.
Twilight wakes up one morning to discover, after accidentally turning off the sun and almost burning Ponyville to the ground, that she has the power to alter reality on a whim. Will she learn to control herself? Or will she destroy Equestria trying?
Having discovered the true nature of Apple Bloom's origins, Luna decided it was necessary to take action in order to prevent the potential consequences. Things did not go too well from there.
Suspicious about her actual relation with the rest of her family, Apple Bloom had some tests done in secret. The results were... unexpected, to say the least.
Far from Canterlot and forced to work in gem mines for cruel Diamond Dogs, a young unicorn named Bone Marrow's pursuit of his cutiemark reveals a unique talent: raising the dead.
Humanity's space exploration ultimately took the form of billions of identical probes, capable of building anything (including astronauts themselves) upon arrival at their destinations. One lands in Equestria. Things go downhill from there.