The princesses gave their magic to Twilight to prevent Tirek from stealing it. As a result, they end up stuck in Tartarus. The fact that things manage to go downhill here says a lot about the wonders of family.
Twilight’s trip to Earth and friendship with the humans brings new friends and enemies to her peaceful world. With the specter of war hanging over them, Equestria will have to form an alliance like no other to fight the menace from the void.
Human in Equestria? Check. Trying to find his way home? Check. Surrounded by clueless candy-colored equines? Check. Magically soul-bonded to Twilight Sparkle using dread necromantic magic and an evil artifact? Check.
It was supposed to be a simple vacation. Just a chance to get away from the daily grind, explore a new city, and catch up with an absent friend. But when that friend happens to be Harry Dresden, all bets are off.
A human finds himself in Equestria under unpleasant circumstances, his reaction, get out of Dodge and start a new life elsewhere. But events which brought him and his treatment in Canterlot are not so easily forgotten by those who did it.
A human is off to a rough start when Fluttershy finds him eating one of her chickens, and breaks his arm. Can Derpy and the human convince Ponyville to give him a second chance?
Twilight Sparkle’s brilliant mind was gone, burned away by her own power when she nearly destroyed Canterlot twelve years ago. Now there is a monster prowling the Everfree. And it is starting to remember what true power felt like.