There probably is. Fanfiction is a place for fans to re - imagine the stories they love. With Dumbledore as Harry's grandfather, it could mean that Dumbledore had a more personal stake in Harry's well - being from the start. It might also lead to different backstories for Dumbledore himself, like how his family ties to Harry came to be. It could even change the way the final battle against Voldemort plays out, as Dumbledore's family connection to Harry could bring in new elements of strategy or sacrifice.
It could be really interesting. There might be a lot more family - oriented secrets and revelations. For instance, Dumbledore could have been secretly guiding Harry not just as a mentor but as a family member all along. And Harry might discover some unique family magic that he inherits from Dumbledore's side of the family. Also, the relationship between Dumbledore and the Weasleys could change, as they would be related to Harry through Dumbledore.
Dumbledore, as Harry's guardian in the fanfiction, would probably use his influence in the wizarding world. He could make sure that Harry is taught by the best teachers at Hogwarts. He'd also be there to offer advice and guidance, especially when Harry faces challenges like dealing with Voldemort or other dark forces. For example, he might teach Harry some advanced defensive magic privately to better protect himself.
In some fanfictions, Harry might be depicted as Dumbledore's pet in a metaphorical sense. It could be that Dumbledore is overly protective or manipulative in the story, making Harry seem like a 'pet' under his control. But this is not a common or canonical view, just a creative interpretation in certain fan - created works.
Well, it depends on the fanfiction. Some fanfic authors like to play with the idea for the sake of creating an interesting twist. They might make Dumbledore seem overly possessive or controlling of Harry in this 'pet - like' way. But other fanfictions stay truer to the original idea of Dumbledore as a mentor, and in those, Harry is not really a 'pet' at all.
Yes, there are likely fanfictions out there with this dark and alternative take. Fanfiction often explores non - canonical ideas, and this would be a very radical one. It goes against the established lore in the official 'Harry Potter' series, but that's the nature of fanfiction - to play with different concepts.
Some independent fanfiction blogs might also host such stories. You could search for blogs that focus on alternative takes on the Harry Potter universe. These blogs might not be as well - known as the major fanfiction platforms, but they can sometimes offer unique and interesting stories that you won't find elsewhere.
They probably have a very close relationship. Dumbledore would be like a father figure to Harry, guiding him through the wizarding world.
Harry might initially be confused. He has always looked up to Dumbledore, so when he realizes Dumbledore is trying to control him, he could start to question everything he thought he knew about their relationship. He may become more rebellious as a result, trying to break free from Dumbledore's influence and make his own decisions.
It might make Harry more confident. With Dumbledore's training, Harry gains more knowledge and skills, which gives him the confidence to face challenges.
At first, Harry may be in shock. He's been taken by someone he respects and looks up to. As he comes to terms with his situation, he might try to reason with Dumbledore. If that doesn't work, he could start to plan an escape, using his wits and the magic he knows. He might also feel angry that Dumbledore is treating him this way when he's always been on Harry's side, or at least that's what Harry thought.