It could be a pony who is extremely extroverted if Twilight is introverted. Someone who loves chaos and spontaneity instead of Twilight's love for order and planning.
In this kind of fanfiction, Twilight Sparkle might face a character who has completely opposite traits. For example, if Twilight is studious and cautious, her opposite could be reckless and carefree. They could initially clash due to their differences. Maybe the opposite character challenges Twilight's way of thinking and doing things, which forces Twilight to re - evaluate herself and her beliefs. It could also lead to some comical situations as they try to interact with each other in a world where their behaviors seem so at odds.
Well, they might exchange magical knowledge. Sunny Starscout could learn a great deal from Twilight Sparkle's vast experience with magic. Maybe Twilight would show Sunny some advanced spells or ways to better understand and control magic in her own world.
A likely candidate could be Discord. He is known for causing chaos and mischief. He might pretend to befriend Twilight Sparkle only to betray her at a crucial moment. Another possibility is Trixie. Trixie has been jealous of Twilight in the past and could betray her out of envy.
Flash Sentry could be a likely groom. He has shown an interest in Twilight in the past and they have had some interactions that could lead to a romantic relationship. Another option could be a completely new character, perhaps a powerful wizard or a prince from a far - off land who Twilight meets during one of her adventures and falls in love with.
The main difference is the 'insane' factor. Regular fanfiction might focus on Twilight's normal day - to - day adventures, like studying magic or helping her friends with normal problems. But 'insane twilight sparkle fanfiction' will likely take her into more extreme situations, like having a mental breakdown due to magical overload or some other crazy event.
Fanfiction about Twilight Sparkle being banished can also be a vehicle for exploring different relationships. Maybe she meets characters she would never have interacted with in the show. Her banishment could bring out different sides of her personality. She might become more resourceful or develop a stronger sense of self - reliance as she tries to navigate her new situation.
One great 'Twilight Sparkle Fanfiction' is 'A Magical Friendship'. It really delves into Twilight's growth in magic while also strengthening her bonds with her friends. The story has a lot of interesting plot twists and the characterizations are on point.
In addition to Twilight Sparkle and Sci - Twi, there could be some background characters that are unique to the fanfic's setting. Maybe there are scientists in Sci - Twi's world who look up to her and are curious about Twilight Sparkle's magic. Or there could be magical creatures in Twilight Sparkle's world that are frightened or intrigued by Sci - Twi's technology. These characters, while not the main focus, can add depth and richness to the overall story.
They often interact as teacher and student. Luna, with her vast knowledge of the old magic, can teach Twilight things that are not found in modern magic books. For example, Luna might show Twilight how to communicate with the spirits of the night.