Princess Celestia is lonely, she's been that way for a very long time. Her sister was supposed to return safe, and now she's been taken once again. Celestia just wants her sister back. Nopony could have seen the solution would come from the stars.
Spike woke up to find himself as his pony caretaker, Twilight Sparkle, while the original Spike somehow still acted like Spike himself. The now-pony decided to go about fixing it alone, with both expected and unexpected results.
Princess Luna still feels alone, nineteen years after her return to Equestria. When she finds a friend in an online game, everything seems better. But not all is well in Equestria, and a sinister plot threatens everything that Luna holds dear...
Karn, is one of the oldest Tenno to still live. But is betrayed by one of the newer Tenno, Greavus. His ship was damaged during his chase for Greavus, but ended up crash landing on Equestria.
After freakish happenstance turns Lyra Heartstrings and Queen Chrysalis into a symbiotic being, they find themselves putting their superpowers to heroic use in an ever-changing Equestria.
The Covenant Empire has fallen and the lies of the Prophets have been revealed. Will the Sangheili crew of a battlecruiser be able to find a new purpose for their life on a new planet?
The men of the 220th New York find themselves in a strange new world where the dominant beings are ponies and the moon never moves from its place in the sky.