One possible consequence could be that Harry becomes an outcast in the wizarding world. Family alliances often carry a lot of political and social weight, so by breaking them, he might lose the support and protection that these alliances offer. For example, if he breaks an alliance with a powerful pure - blood family, other pure - bloods might shun him.
It could lead to new and unexpected alliances forming. Maybe Harry's actions make him a target for those who are against the traditional family alliances. This could cause him to team up with other outcasts or groups that have a different view on the wizarding world's power structure. He might find himself among those who want to reform the system and break free from the old ways of family - based power.
Well, perhaps in the fanfiction there is a power struggle within the alliance. Harry, being a central figure, might not want to be part of a group where there is constant jockeying for power. Also, new revelations about the alliance's past actions or connections could make Harry want to distance himself. For instance, if he finds out the alliance has some shady dealings with dark wizards in the past, he would surely break the alliance to protect his own integrity and that of his true friends.
He might break family alliances by publicly opposing the values that these families stand for. For instance, if a family is known for its strict pure - blood ideology and Harry speaks out against blood purity, it could be seen as a break in the alliance.
One possible plot could be that Harry discovers some dark secrets about the alliances. For example, he might find out that an alliance is being used by a dark wizard to infiltrate Hogwarts. So, in order to protect the school and his friends, he decides to cancel the alliance.
Harry's character development often involves self - discovery. In fanfiction, he may find out that he has a different destiny or purpose than what the alliance has in mind for him. This new understanding of himself can make him break the alliance. Also, as he becomes more confident in his own leadership skills, he might not want to be part of an alliance where he is not given enough authority or respect. His growth from a naive boy to a more experienced and self - assured wizard can prompt him to sever ties with alliances that no longer serve his needs or values.
He might get confused. Fanfiction often takes the original story in different directions, with different characterizations and plot twists. If Harry reads it, he might start to question the 'true' nature of his own experiences and the people around him.
One consequence could be that he endangers himself. Maybe he disobeys a warning not to enter a certain dark forest in the fanfiction. As a result, he could encounter dangerous magical creatures or dark wizards. Another outcome is that his disobedience might lead to a rift in his relationships. If he doesn't follow the advice of his mentors like Dumbledore in the fan - made story, it can cause tension between them.
One possible consequence is emotional pain. Both parties might experience sadness, anger, or a sense of loss. For the person who initiates the break - up, they may feel guilty. And for the other person, it could be a big blow to their self - esteem.
He might have more free time for other hobbies like reading regular books or watching movies.
One consequence could be that his fans in the fanfiction community will be disappointed. They might have been looking forward to his new works.
One consequence could be that Harry becomes more isolated. If he hates the Order, he may distance himself from them, which means he loses a group of potential allies. This could put him in a more vulnerable position in the wizarding world.