What could a 'Harry Potter does yoga' fanfiction be about?

Yes, there might be. Fanfiction platforms like Archive of Our Own (AO3) often have a wide variety of unique fanfictions. You could try searching there using relevant tags like 'Harry Potter' and 'yoga'.

One popular 'Harry does yoga' fanfiction might involve Harry using yoga to find inner peace after all the chaos in the wizarding world. He could be teaching his friends like Ron and Hermione the benefits of yoga, leading to some comical yet heartwarming moments as they struggle with the poses.

Obviously, Harry is the main character. But there could also be his friends like Hermione, who might be skeptical at first but then gets into it. Ron could be the one making jokes about Harry's newfound love for yoga.

One possible plot could be that Harry is training in a new form of magic that requires extreme flexibility, so he starts practicing doing splits. As he gets better at it, he realizes it can be used in unexpected ways. He could use it to access hidden passages in Hogwarts that are too narrow for normal walking but just wide enough for him to squeeze through in a split position. This new skill might also help him in battles, as it gives him an unusual way to move and dodge attacks.

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.

Well, perhaps in this fanfiction, Harry is forced to do an autopsy because he suspects foul play regarding the death of a friend or an important figure in Hogwarts. He might face a lot of opposition from the wizarding authorities who don't believe in such Muggle - like practices. But Harry persists, and during the autopsy, he finds a magical mark on the body that leads him to a long - forgotten chamber in Hogwarts filled with ancient and dangerous magic.

A 'Harry Potter is Undertaker fanfiction' might involve a magical accident that causes Harry to be connected to the Undertaker in some way. He could start to have visions of the Undertaker's world or even gain the ability to travel between the wizarding world and the world where the Undertaker exists. This could lead to all sorts of adventures as Harry tries to understand and control these new powers while still dealing with his own wizarding responsibilities.

Well, it could be about Zelretch somehow getting involved in the Harry Potter universe. Maybe he uses his powers to change the course of events in Hogwarts, or he could be a hidden figure guiding Harry in a different way than Dumbledore.

In a 'Harry Potter is Vegeta fanfiction', it could be that Vegeta's personality traits are transferred to Harry. So Harry becomes more aggressive and prideful like Vegeta. He might view the wizarding world's challenges in a different light, seeing them as opportunities to prove his superiority. His relationships with his friends could also change. Instead of relying on teamwork in the traditional wizarding way, he might take on more of a lone - wolf approach, like Vegeta often does. And in battles, he could use Vegeta - inspired fighting stances and techniques, combined with his magic, to defeat his foes in unexpected ways.

A 'Harry Potter is Sasori' fanfiction could start with a strange magical accident that fuses Harry with Sasori's consciousness. Harry starts to see the world from Sasori's perspective and has a new understanding of creation and destruction. He might use his knowledge of both magic and Sasori's puppet - making to create a new form of defense for Hogwarts. He could also face challenges as some in the wizarding world might see his new abilities as dark magic. His friends, like Hermione and Ron, would have to decide whether to support him or be afraid of the changes in him.