One possible plotline could be that Harry Potter is so inspired by John Cena that he starts a new club at Hogwarts dedicated to Cena's values like never giving up. Another could be that John Cena is actually a wizard in disguise and he helps Harry train for battles using his wrestling moves. Or maybe Harry uses magic to bring Cena into the wizarding world to help defeat a new dark force that is too powerful for normal wizarding magic alone.
A plotline might be that Harry Potter discovers a hidden ability within himself that he believes comes from his admiration for John Cena. He then tries to use this new - found 'Cena - like' power to face his enemies. Also, it could be that Cena's popularity in the Muggle world spreads to the wizarding world because of Harry, and there are cultural clashes and humorous situations as wizards try to understand Cena's wrestling world. Additionally, there could be a plot where Harry and Cena team up to compete in a magical - wrestling hybrid tournament to save both the Muggle and wizarding worlds from a common threat.
In this fanfiction, perhaps Harry Potter finds a way to time - travel and meets John Cena in the past. Cena's determination and work ethic inspire Harry to change some things in his own world. Another plotline could be that the wizarding world is facing a crisis where physical strength is needed as much as magic, and Harry, inspired by Cena, trains himself physically and also tries to get Cena to come to the wizarding world to help. Or it could be that Harry has Cena posters all over his dormitory, and his friends at Hogwarts are initially confused but then become interested in Cena too, leading to a series of adventures as they try to learn more about Cena's world.
Yes, there might be such fanfiction. It could be about Harry Potter being a huge fan of John Cena in a magical world. Maybe Harry uses Cena's moves in a wizard duel or Cena somehow gets involved in the wizarding world and Harry is star - struck. It could also be a humorous take on their two very different universes colliding, like Cena teaching Harry some wrestling moves and Harry using magic to enhance Cena's wrestling abilities in some strange crossover event.
One possible plotline could be that John Winchester, in this fanfiction world, takes Harry Potter under his wing. He could teach Harry all the skills he taught his own sons, like combat and survival in a magical - non - demonic - context. For example, John might show Harry how to track magical creatures using non - magical means, which could give Harry an edge in his Hogwarts adventures.
One plotline could be Naruto being a transfer student at Hogwarts. He might struggle to adapt to the magic system while also showing off his ninja skills. Another could be Naruto teaming up with Harry Potter to fight a common enemy that threatens both the ninja world and the wizarding world.
One possible plotline could be Harry using his knowledge of the wizarding laws, which he learned through his years at Hogwarts and his experiences with the Ministry of Magic, to defend wrongly accused wizards in a wizarding court. Another could be him trying to reform the wizarding legal system which he might find full of loopholes and biases.
One possible plotline could be Harry trying to hide his merman identity while at Hogwarts. He might face challenges in the magical underwater areas of the school, like the lake. Another could be that he discovers his merman heritage and has to go on a journey to learn more about it and his new powers.
One possible plotline could be Harry being secretly trained by an unknown figure to become an assassin against the dark forces. He would have to hide this new identity from his friends at Hogwarts.
One possible plotline could be about the Weasley family trying to improve their financial situation. Maybe they come up with a new business idea in the wizarding world, like a magical product that becomes a huge success and changes their economic status. Another could be a story about how the Ministry of Magic regulates the financial system in the wizarding world, and there are some characters who try to manipulate or reform it.
In some fanfictions, the Queen might be a long - lost relative of a pure - blood wizarding family. This would lead to her being involved in the complex politics of the wizarding world. She could use her position as the Queen to try and bring about change in the wizarding world's old - fashioned pure - blood - supremacy - based society.
One possible plotline could be a Lannister student at Hogwarts. They might bring their family's ambition and power - hungry nature into the school, causing all sorts of drama among the houses. For example, trying to take over the Slytherin house leadership through manipulation.
A possible plotline could be that Harry uses his invisibility to spy on Voldemort's followers and gather intelligence for the Order of the Phoenix. This would add an element of mystery and danger as he has to be extremely careful not to be detected.