A possible plot could be that Harry discovers a hidden room in Hogwarts filled with ancient wizarding gymnastic equipment. He then decides to learn gymnastics with the help of his friends, and they end up using their gymnastic skills to defeat a new dark threat that can only be countered with a combination of magic and acrobatic moves.
The plot could be that Harry, feeling stressed from all the dark magic and Voldemort threats, stumbles upon a Muggle gymnastics event. He becomes fascinated and decides to secretly learn gymnastics. He practices in hidden corners of Hogwarts, using his magic to help him with balance and strength. Eventually, his friends find out and they support him, and he even enters a wizard - Muggle combined gymnastics competition.
A good 'Harry Potter gymnastics fanfic' should blend the two worlds seamlessly. For example, it could use magic to enhance gymnastic performances, like using a levitation charm to create more complex aerial moves. It also needs to stay true to the characters. If Harry is in the fanfic, he should still have his brave and determined personality, just now with a love for gymnastics.
One popular 'Harry Potter does gymnastics' fanfiction is 'The Gymnastics Wizard'. It's a fun read where Harry discovers his hidden talent for gymnastics at Hogwarts. He uses his magic to enhance his gymnastic skills, creating unique and amazing routines. It also has some great character interactions, like Hermione helping Harry with the theory behind the physics of his moves.
Well, I've come across some. There's this one where Hermione decides to incorporate gymnastics into her study breaks as a form of exercise and stress relief. It was really interesting to see how the author blended the magic of the Harry Potter world with the grace and athleticism of gymnastics. Another one had Ron trying to impress Hermione with his (not - so - great) gymnastic skills during a Hogwarts event. You really have to dig around a bit on the fanfic sites to find the gems though.
The plot could involve a situation where a new form of dark magic is unleashed in the wizarding world, which spreads like wildfire and causes destruction similar to 911. The Ministry of Magic is caught off - guard. Hermione, with her vast knowledge, starts researching a way to counter this magic. Meanwhile, Ron and Harry lead the effort to protect the civilians. They set up shelters in places like the Room of Requirement and use Patronuses to guide people to safety. As they dig deeper, they discover that this dark magic was a planned attack by a long - hidden dark wizard group who wants to take over the wizarding world.
There's a fanfic where Hermione takes up gymnastics to improve her physical coordination for spell - casting. It shows how she uses her intelligence to learn new gymnastic moves and incorporate magic into her routines. It's a unique take on the 'Harry Potter' world and gymnastics. The fanfic also has some great descriptions of the Hogwarts gymnasium that was created by magic.
One possible plot could involve a group of spiders that have been enchanted by a dark wizard. These spiders start attacking Hogwarts students. Harry, along with his friends Hermione and Ron, would need to find the source of the enchantment and break it to save the school. They might have to explore the Forbidden Forest more deeply and face their fear of spiders to do so. This would combine the elements of adventure, mystery, and the existing spider lore from the Harry Potter series.
The plot could involve Catwoman being drawn into the wizarding world by some mysterious magical force. She might start out as an outsider, trying to figure out how things work. Maybe she gets involved in a plot to steal a powerful magical object, but along the way, she starts to have a change of heart and decides to help the good guys instead.
A plot could be that Gaster has a connection to the Forbidden Forest in Harry Potter. He might be the source of some of the strange and dangerous creatures there. As Harry and his friends explore the forest more, they start to notice Gaster's influence. Gaster could also be using the forest as a way to try and get back to his own world or to gain power in the Harry Potter universe. This would lead to a series of adventures and battles as the characters try to either stop Gaster or understand his motives.
In this fanfiction, the plot could center around Harry Potter arriving in Tamriel during a time of great unrest. He discovers that there are parallels between the magical hierarchies in Tamriel and Hogwarts. He could get involved in the political struggles of the various factions in Tamriel while also trying to find a way back home. Along the way, he might teach some of the Tamriel mages about some of the more advanced magic he learned at Hogwarts, like Patronus Charms, and in return, learn about Tamriel's unique magical artifacts and how to use them.