One interesting plot could be Sunset Shimmer traveling back to the time when she first arrived in Equestria. She could try to change her initial actions and the way she interacted with the ponies, leading to a different outcome in her relationships. For example, instead of causing trouble, she might immediately try to befriend Twilight and the others, which would change the whole dynamic of the story.
One interesting plot could be Sunset Shimmer getting transported into the Halo universe. She might use her magic skills to help the UNSC in unexpected ways, like creating magical barriers to protect against Covenant attacks. Another plot could involve a Halo character coming to Sunset's world and having to adapt to the magic there.
One idea could be a crossover with the Harry Potter universe. Sunset Shimmer could be a new student at Hogwarts, and her magical abilities from her own world could interact in interesting ways with the magic in the wizarding world. For example, her ability to transform might be mistaken for a new and strange form of Transfiguration.
One idea could be that Sunset Shimmer somehow gets transported to the Naruto universe. She could use her magic skills in unique ways there. Maybe she teams up with Naruto to fight against a common enemy like an Akatsuki member who has some strange magic - like powers. They could learn from each other's combat styles and grow stronger together.
One idea could be that Sunset Shimmer has to balance her pregnancy while still dealing with her magical studies. She might face challenges from her peers who doubt her ability to continue her progress while expecting. Another plot could involve her searching for a special kind of magic to ensure a healthy pregnancy for her and the baby. And perhaps she forms a new friendship with someone who has experience in both magic and motherhood, who guides her through this new phase of her life.
One interesting fanfiction could be about Sunset Shimmer's journey to fully embrace her new life in Equestria after her initial struggles. It might show her making new friends and learning more about the magic of friendship.
When she travels to the future, it can show her potential selves. If she sees a version of herself that is successful and happy, it can give her the motivation to strive towards that in her present. On the other hand, if she sees a negative future, it can be a wake - up call for her to change her ways. This exposure to different time - related versions of herself can be a great catalyst for character development.
There could be a fanfiction where Sunset Shimmer's human counterpart is an artist. She uses her art to express the strange feelings she has about a world she feels she doesn't quite belong to. The story could explore how her art becomes a way for her to connect with others who are also a bit different.
Perhaps a story where Sunset Shimmer becomes a Pokemon trainer under Ash's guidance. They travel together, compete in Pokemon battles, and learn from each other's determination and courage.
One interesting fanfiction could be where Shadow and Sunset Shimmer team up to save their world from a common enemy. They combine their unique powers and skills to overcome various challenges.
One great 'ash and sunset shimmer fanfiction' could be where they team up on an adventure in a magical forest. They might use their combined skills to overcome various obstacles like tricky magical creatures and hidden traps.