The plot could revolve around Hermione's attempt to use the future limbic system to heal mental traumas. In the wizarding world, there are many who suffer from the after - effects of dark magic or tragic events. Hermione, being the brilliant witch she is, believes that the future limbic system holds the key to curing these ailments. She faces opposition from some traditional wizards who think this is meddling with nature. But she perseveres, conducting experiments and eventually finding a way to use the limbic system's potential for good.
Hermione may develop a more holistic view of magic. The future limbic system could expose her to new types of magic that are not just about spells and potions but are more related to the inner workings of the mind and body. This would make her expand her studies and incorporate new ideas into her understanding of magic. She might start teaching others about this new aspect of magic, becoming a pioneer in a new field of magical study.
The fanfiction could start with a new divination teacher at Hogwarts who claims to have a special way of seeing the future. Harry and Hermione are both intrigued and a bit skeptical. They volunteer to be the first students to try out this new method. Through this divination, they see a future where the wizarding world is on the brink of collapse. They then take it upon themselves to find a way to prevent this from happening, using their unique skills and the knowledge gained from the divination.
The plot could involve Hermione traveling to a future where the wizarding and muggle worlds have merged. She would then have to adapt to this new reality. She might see muggles using magic in some form, or wizards having to abide by muggle laws. This would be a huge change from what she's used to. Also, she could be on a mission to fix something in the future. Maybe there's a dark magic that's threatening to destroy both worlds, and she has the knowledge from her time to stop it.
One possible plot idea could be that Hermione discovers a hidden ghost in Hogwarts that has a connection to an ancient mystery. Maybe the ghost has some lost knowledge that Hermione is eager to learn. She then embarks on a journey to uncover the truth about the ghost's past while also facing challenges from other students or Hogwarts staff who don't believe in her newfound 'ghost friend'.
Well, one possible plot could be that their son travels back in time to prevent a great disaster that threatens the wizarding world. Maybe he has some special powers inherited from both Draco and Hermione that are crucial in averting this catastrophe. He might face challenges in getting his parents to believe him and work together, as they come from different backgrounds and had a somewhat antagonistic relationship in the past.
One idea could be that Harry and Hermione find a time - turning device. They use it to go back and change key events in the wizarding war. For example, they might prevent Cedric's death, which could have a huge impact on the future of Hogwarts and the wizarding world.
One idea could be Percy leading a new generation of demigods in a battle against an ancient evil that has been awakened in the future. Maybe he has to train them in new ways to combat the threats.
One possible plot could be them dealing with the aftermath of their marriage in the wizarding world. There might be some opposition as they come from different houses and have different friend groups. They would have to work through how to combine their lives, like where to live and how to handle their careers, whether it's Hermione's pursuit of knowledge or Cedric's role in the wizarding community.
One plot idea could be that they use magic to transport themselves to Panthers games and have to keep it a secret from the wizarding world. Another could be that they meet other Panther fans in the wizarding world and form a secret fan club.
One plot idea could be that Hermione, after graduating from Hogwarts, returns as a teacher. She and Minerva start to work closely together and gradually fall in love. They face some initial opposition from the wizarding community due to their age difference and the unconventional nature of their relationship, but they overcome it and get married in a small, private ceremony at Hogwarts.