He could potentially become a half - vampire, half - werewolf hybrid. This would be a really interesting twist in the fanfiction. His werewolf pack might reject him due to his new vampire nature, or he could end up being a bridge between the two supernatural groups, trying to bring peace or understanding between them.
Well, in fanfiction, he might start to develop vampire - like abilities. For example, he could gain enhanced strength and speed. Maybe he would also struggle with his newfound thirst for blood, which would put a strain on his relationships with his friends and family who are not vampires.
Jacob might go through a transformation not just physically but also mentally. He could start to see the world from a vampire's perspective. His loyalties might shift, and he could find himself drawn to the vampire community that he once opposed. There could be a whole internal struggle as he tries to hold on to his old self while adapting to his new vampire - influenced existence.
He may become more solitary. Since vampires are often depicted as loners in many stories, Jacob could start to distance himself from his former friends and allies. His personality might also become more brooding and mysterious, as he tries to hide his new vampire nature from those around him.
In the 'Harry Potter gets bitten by a vampire' fanfiction, there are numerous possibilities. Harry's appearance might change, with paler skin and perhaps sharper features. His magical abilities could be affected in strange ways. For example, his Patronus might change form due to his new vampiric nature. He could also form new alliances with creatures that are more accepting of vampires, like some werewolves who might see him as a kindred spirit in a way. This could create a rift between him and some of his old friends who are more traditional in their views of the wizarding world, but it could also open up new opportunities for him to explore different aspects of magic and the supernatural that were previously hidden from him.
In fanfiction, if Harry Potter were bitten by a vampire, he might gain some vampire - like abilities. For example, he could have enhanced strength and speed. His magical abilities might also be affected, perhaps enhanced in some strange ways or combined with his new vampiric nature. However, he would also face the challenges that come with being a vampire, like the need to feed on blood. This could create a whole new set of moral and ethical dilemmas for him, as he is a hero who has always fought for good. And his relationships with his friends at Hogwarts would surely be put to the test as they try to come to terms with his new state.
After their kiss, they might face opposition from their respective families. The Cullens could be worried about Renesmee getting too involved with Jacob so soon, considering her young age (even if she matures faster). Jacob's wolf pack might also have some concerns about this relationship. But they could also decide to stand up for their love and try to prove that their connection is real and strong.
The consequences could be far - reaching. Naruto's relationships would surely be strained. His relationship with Sakura, for instance, might become complicated as she may be afraid of him or try to find a way to cure him. His bond with Sasuke could also be tested. Sasuke, being more attuned to darker powers, might have a different reaction compared to others. Moreover, Naruto would have to deal with the vampire community if there is one in the fanfiction world. He would need to learn their rules and how to control his new urges, or else he could become a danger to those he loves.
In this fanfiction, after Stiles gets bitten by a vampire, he might find himself in the middle of a vampire war. The vampire who bit him could belong to one faction, and now the other faction sees Stiles as a threat or a tool. He has to learn about vampire politics and hierarchies quickly. His friends, especially those who know about the supernatural, would try to protect him. Stiles would also have to deal with the physical and emotional changes that come with being a vampire, like the isolation that can come from living a nocturnal life and the fear of hurting those he loves.
Naruko might also gain some vampire - like powers. For example, she could have increased speed and strength. However, she would also have to face the negative aspects. Vampires are often hunted or feared in many fanfictions. So she would have to constantly be on the lookout for those who would do her harm, and she would have to learn how to control her new vampire nature so as not to attract unwanted attention.
The bite might also change her appearance. She could develop paler skin, more prominent fangs, and a more alluring yet slightly menacing look. Her magic could be affected too. It might become intertwined with her new vampire nature, resulting in some unique and unpredictable magical effects that she would have to learn to control.
Maybe Jacob gets into a fight and gets physically hurt. For example, he could be punched during an argument in the story.
Often, the story will focus on Hermione's struggle to come to terms with her new identity. She may try to find a cure at first. For instance, she might search through ancient magic texts in the library at Hogwarts.