A really interesting plot idea could be that the rocker boyfriend has a mysterious past in the music industry. There are rumors and secrets that start to surface as his relationship with Bella grows. This could put a strain on their relationship as Bella tries to figure out who he really is. At the same time, she is also dealing with her own insecurities in this new and exciting world of rock music. Maybe she even tries to learn an instrument to be closer to him and his world.
Their relationship might start with a chance encounter at a concert. He's drawn to her differentness and she's intrigued by his rocker charm. They start hanging out, going to more shows together, and slowly fall in love.
A plot could revolve around Simon being a long - lost relative of Bella's. He shows up in Forks and his presence disrupts Bella's relationship with Edward. Simon has his own secrets about the supernatural world which Bella gradually uncovers, and she has to decide between the two different worlds she's now a part of.
One plot idea could be that Bella leaves Edward to pursue her own dreams. She realizes that she has lost herself in the relationship and wants to focus on her education or a career. For example, she might go to college far away and meet new friends who help her discover new interests. Another idea is that she leaves because she discovers a dark secret about Edward or the vampire world that she can't accept. Maybe she finds out that vampires have a hidden agenda that endangers humans in a way she didn't expect. A third plot could be that she leaves due to a misunderstanding. Edward does something that she misinterprets as a lack of trust, and in her anger and hurt, she decides to leave to protect her heart.
A possible plot could be Bella and Alice going on a road trip together. During the trip, they encounter various challenges and also bond over shared experiences. They might come across other supernaturals and have to deal with them. Or perhaps Alice has a vision about Bella's life as a human being in danger in a specific location, and they go there to prevent it. Along the way, they learn more about each other's pasts and fears.
One plot idea could be Bella's struggle to adapt to the Mikaelson family's vampire - werewolf drama while also dealing with her own newfound vampire - like powers as part of the family. Another could be her relationship with Klaus. Maybe she tries to temper his more violent tendencies and in the process, they form a unique bond that changes the family dynamics.
Another plot could involve a time - travel scenario. Bella Swan, after becoming a vampire, somehow travels back in time to Snape's youth. She sees his difficult past and tries to change it for the better. However, her actions have unforeseen consequences. For example, she might accidentally change the course of Snape's relationship with Lily Potter, which in turn has a domino effect on the entire wizarding world. But in the end, they both learn important lessons about fate and the power of individual choices.
One idea could be that Bella's wedding has a lot of unexpected guests from the vampire world who bring unique gifts. For example, a vampire from a far - off clan gives her a rare antique that has some special power related to protection. Another plot idea is that there are some last - minute problems with the wedding like the venue being damaged, but the Cullens and Bella's human friends work together to fix it in a very short time. It could also be interesting if Bella has some pre - wedding jitters not about getting married to Edward, but about how her life will change in the vampire world after the wedding.
One idea could be that Bella Swan, with her experience in a world of vampires and werewolves, somehow gets transported to the Marvel universe and meets Tony Stark. They could team up to solve a new kind of threat that combines the magic and mystery of the Twilight world with the high - tech of the Marvel world. For example, a group of villains using both vampire - like abilities and advanced technology.
Another plot idea is that Bella is sent to the Volturi as an emissary from the Cullen family for some reason. During her stay, she gets to know Jane better. Jane initially hates Bella for her association with the Cullens, but Bella manages to show Jane a different side of humanity and vampire - human coexistence. This could lead to a change in Jane's view of the world and a shift in the Volturi's policies towards the Cullens.
A possible plot for the 'Harry Potter and Bella Swan fanfiction' could be that Bella is actually a long - lost relative of a powerful wizarding family in the Harry Potter universe. When she discovers this, she travels to the wizarding world to learn more about her heritage. There, she meets Harry Potter, who is intrigued by her strange abilities. Together, they embark on a journey to uncover the secrets of her family's past and, in the process, they face challenges from those who don't want the secrets revealed. This journey could involve exploring ancient wizarding ruins, deciphering old spells, and facing off against dark forces.