Well, it might cause a lot of chaos and mystery. The werewolves could bring new threats or perhaps there's a hidden reason behind their move that Harry has to uncover.
It could lead to all sorts of adventures and challenges. Maybe Harry has to learn how to deal with their presence and protect his friends and himself.
In some fanfictions, when Harry Potter gets his letter at 9, it might be a moment of great excitement. It could be the start of his journey into the wizarding world just like in the original story, but with some unique twists added by the fanfiction author. Maybe the owl that delivers the letter has some special markings or behaves in an unexpected way.
One creative way is to make the werewolf a misunderstood hero. Instead of being feared, they are actually the ones who save the day. For example, during a battle at Hogwarts, the werewolf uses their enhanced strength and senses to turn the tide. They might also have a special relationship with magical creatures that are nocturnal, like thestrals. And their transformation could be seen as a form of powerful magic that not all wizards understand, so they are on a journey to educate others about their true nature.
Often in such fanfiction, when a veela cries, it might trigger a series of events related to hidden powers or unforeseen alliances. It could also cause emotional turmoil among the characters and change the course of the story.
Well, in such fanfiction, when the thunder breaks, it might cause a power surge in the magic, leading to unexpected challenges for the characters. Or, it could be a sign of an approaching dark force.
It depends on the specific fanfiction. Sometimes it leads to major plot twists and challenges for Harry.
Well, usually in such fanfictions, Harry might face a lot of emotional turmoil and have to find his way alone to overcome the betrayal and the challenges that come with it.
Well, a plot could involve a young werewolf student at Hogwarts who is trying to keep their identity a secret. But as they grow older, it becomes harder. Their friends start to suspect something strange about them, especially during the full moon. Meanwhile, there could be a dark wizard who wants to use the werewolf's power for evil, so the werewolf has to fight against this threat while also dealing with their own internal struggle.
Another possibility is Fenrir Greyback. Although he is a more villainous werewolf in the original series, in this fanfiction, he could have a change of heart. He might see Harry as a way to redeem himself or he could be forced into taking care of Harry for some reason. This would create a very interesting dynamic as Harry has to deal with Greyback's past actions and his new role as a guardian.
Well, in some fanfictions where Harry Potter stays in Kernock Alley, he might discover hidden magical shops. There could be unique wizards and witches living there who have their own special magic. Maybe he finds a new kind of magic spell or a magical artifact that helps him in his adventures.
It could lead to all sorts of chaos! Maybe Voldemort is furious and retaliates immediately.