What if Rarity in an AU was the Element of Kindness? I think it would be interesting if Fluttershy was fused into the character of Rarity. Rarity would be snobbish, pretentious, slightly rude, insensitive while also being deeply sentimental, emotional and surprisingly understanding. I read about Romanticism and I think I want to write a Rarity that is much less about the buisness side, and more about the artistic side. Also her drama queen side is emphasized even more in which she would represent in contrast to Twilight, passion over reason. Unlike the original show she seeks approval from artists and her Prince Blueblood is instead a famous painter who she always looked up to. Also she is most left winged of the main characters dreaming of a new utopia. She thinks she is the reincarnation of Naponeon. And she will avenge Naponeon’s defeat by reactionaries and she will become the new empress of a utopian empire.
Basically she would be a sophisticated lady but with wild unkindled passions.