In the fanfic, there might be changes in the security measures of Azkaban. For example, new spells or wards could be added to prevent prisoners from escaping more effectively.
Well, in the world of 'harry changes fanfic', a lot of them focus on Harry changing his Hogwarts house. Some fanfic writers like to explore what would happen if Harry was sorted into Slytherin instead of Gryffindor. It would completely change his relationships with other characters, like Draco Malfoy. He might form alliances and rivalries that are very different from the original story. Also, there are fanfics where Harry changes his family situation, for instance, finding out he has more relatives or that his parents had a different background than what was initially thought.
Well, there are forums dedicated to Harry Potter fanfiction. Some of these forums have sections where fans recommend their favorite 'harry changes fanfic'. Reddit also has relevant subreddits. For example, the Harry Potter fanfic subreddit often has posts about different types of fanfics, and you can find links or discussions about 'harry changes fanfic' there. Additionally, some Tumblr blogs focus on sharing and discussing Harry Potter fanfiction, and they could be a good source for finding this type of fanfic.
It could introduce new original characters that are central to the story. Maybe a young witch or wizard from a foreign wizarding school who comes to Hogwarts and has a major impact on the events in the fanfic. This new character could bring different magical abilities and cultural elements from their own school into the Hogwarts environment, causing all kinds of changes.
If the security changes, it could make it harder for certain characters to break in or out. This would change the flow of rescue or infiltration missions in the story.
If Harry dies instead of Cedric in fanfic, Hogwarts would be in a state of deep mourning. The entire wizarding world that had placed so much hope in Harry would be in shock. Voldemort would likely face less opposition in the short term as Harry was seen as the main threat to his return. Friends like Ron and Hermione would be devastated, and they might have to take different paths. Ron could become more withdrawn, and Hermione might focus all her energy on finding a way to avenge Harry. The story would also likely shift focus to Cedric, who would now carry the weight of the prophecy or the task of ultimately facing Voldemort, if there was such a concept in this altered universe.
In this fanfic scenario, Harry changing his name to Peverell could be part of a prophecy or a magical ritual. It might be that there is a great evil rising, and only someone with the Peverell name can stop it. Harry, being the hero he is, decides to take on this new name to fulfill his destiny. This could lead to a whole new set of adventures, with new allies and enemies, as he tries to figure out what it truly means to be a Peverell in the modern wizarding world.
In this fanfic, there could be a plot twist where the Hogwarts houses' traditional rivalries are turned on their heads. Instead of Gryffindor vs Slytherin, etc., a new threat makes them all have to work together in ways they never expected. The characters might have to overcome their long - held prejudices and form new relationships to face this common danger, which is a big change from the norm in the Harry Potter universe.
The relationship between Slytherin and Gryffindor houses could shift. Slytherins might become more protective of Harry, which would be a huge change from the usual rivalry. This could lead to some Gryffindors being suspicious of Slytherin motives.
One possible change could be in her relationships. In America, she could meet a whole new set of friends and potential love interests. Her friendship with Harry and Ron might change as they are far away. She may also have to deal with different social hierarchies in the American wizarding community.