Changing a personality is not a trivial process, even when the first step you take is to blast the target with the Elements of Harmony. The risk of a relapse is always present, especially if the original personality was a strong-willed one.
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.
After escaping from the dungeons of Arendelle, she secludes herself in the Mountains, away from the Kingdom and all the memories she had. During her isolation, she searches for a way to melt the ice and end the winter she caused.
When the ponies decide to introduce themselves to Earth by entering a horse show, they call upon a legendary warrior from their distant past to get them ready. Featured on Equestria Daily!
Twilight is turned into an alicorn against her will, paying a terrible price. Now she becomes Equestria's worst enemy, and sets on a journey to uncover her world's greatest secret: The truth behind the nature of the alicorns.
Thrust into a universe that is not his own Dusk Shine will find that being stuck in a diffrent world is the least of his problems as he clashes with previously banished Queen Chrysalis princess Luna growing attraction and his angry female counterpart