One possibility is that Harry's arrival in Beacon Hills shakes up the existing power dynamics. If there are different factions in Beacon Hills, like werewolves, hunters, etc., Harry could be an unexpected wildcard. He might form alliances with some while being a target for others. His magical abilities could either be a great asset or a cause for fear among the residents. For example, if there's a conflict between the werewolves and some dark force, Harry could use his magic to help the werewolves in ways they never expected, but this might also draw the attention of those who don't trust magic in the town.
In this fanfiction, perhaps Harry is on a quest of some sort and Beacon Hills is just a stop on his journey. However, once he gets there, he realizes that the problems in Beacon Hills are related to his overall quest. He could start by getting to know the people at the local high school, like Scott and his friends. As he delves deeper into the town's secrets, he may find that his own past has some connection to what's going on in Beacon Hills. He might have to face challenges that test not only his magical powers but also his newfound relationships in this unfamiliar place.
Well, perhaps Harry could bring his magic to Beacon Hills. He might use his spells to help the locals deal with the supernatural threats they face there. For example, he could use a Patronus to fend off some of the dark creatures that lurk in the town at night.
Well, maybe she'd use her magic skills to solve the supernatural mysteries in Beacon Hills. For example, she could help the pack with her spells when they face a really tough enemy that normal means can't defeat.
The plot could involve Hermione using her magical skills in the world of Beacon Hills. Maybe she helps the pack with some supernatural threats using spells and potions. For example, she could create a protection spell around the town to keep out certain dangerous creatures.
He could meet Scott McCall. Scott, being a werewolf, would be intrigued by Harry's magic. They could become friends and learn from each other. Harry could help Scott better control his werewolf side using magic, and Scott could show Harry how to survive in Beacon Hills' supernatural chaos.
Stiles. Stiles is Scott's best friend and he's very intelligent. He could be the one who initially is suspicious of Harry but then realizes his value. Harry and Stiles might bond over their shared problem - solving skills, though in different ways. Harry with his magic and Stiles with his deductive reasoning.
The nogitsune could also be a major antagonist. It thrives on chaos and mischief, and a powerful wizard like fem Harry Potter in its territory would surely draw its attention. It might try to possess her or use her magic for its own evil purposes.
Well, Hermione is a strong - willed character. In Beacon Hills, this would serve her well. She would not be afraid to stand up to the powerful supernatural forces there. She could become a sort of mentor figure to the younger characters. She might teach them the value of knowledge and how to use it in the face of danger. Also, her magic could be a great asset in battles against the various threats that the town faces on a regular basis.
If Harry Potter goes to Beacon Hills, he'd probably be quite confused at first. The rules of the supernatural world there are different from the wizarding world. But then, he would start to adapt. Maybe he'd team up with Scott McCall. Harry's experience in fighting Voldemort would give him the courage and skills to face the threats in Beacon Hills, like the Dread Doctors or the Nogitsune.
Well, one possibility is that he comes back to help his old friends deal with a new supernatural threat. Maybe there's a powerful and mysterious creature that the remaining pack members can't handle on their own, and Stiles' return is the key to their survival.
One possible reason could be to protect his friends. Maybe he discovers a new threat that is specifically targeting him, and he decides to leave Beacon Hills to draw the danger away from those he loves. For example, in some fanfictions, a powerful and vengeful supernatural being might be after Stiles, and he believes that by leaving, he can keep his friends safe.