Well, without having read it, 'Abused Harry Potter is a Winchester Fanfic' could potentially be a story where the author takes the idea of Harry Potter being in an abusive situation, perhaps at the Dursleys or in Hogwarts, and then somehow links it to the Winchester world. It could be that the Winchesters come to rescue Harry or that Harry discovers some Winchester - like powers or knowledge to deal with his abuse. It's all speculation though.
I'm not entirely sure as I haven't read this specific fanfic. But generally, it might combine the world of Harry Potter where he is abused in some way with elements related to the Winchesters. Maybe it has crossovers in terms of character traits or story arcs from both universes.
Sorry, I don't know of any other fanfics exactly like this one. But you could try searching on fanfic websites using tags like 'Harry Potter crossover', 'abused Harry Potter', and 'Winchester crossover' to find similar works.
One common theme is the combination of magic and hunting. In these fanfics, the magic from the Harry Potter world and the hunting skills of the Winchesters are often merged. For example, they might use spells to track down monsters that the Winchesters usually hunt.
I'm not entirely sure specifically as I haven't read that exact fanfiction. But generally, it might be about a female version of Harry Potter being a fan of the Winchesters. It could involve her getting into the world of the Winchesters, maybe having adventures inspired by them or trying to meet them.
I'm not entirely sure specifically as there could be many different interpretations in fanfiction. It might involve a scenario where a character from the Winchester universe saves Harry Potter in some way, perhaps from a dark wizard or a dangerous situation within the magical world of Harry Potter.
Harry would probably have a complex relationship with Sam and Dean. Since they are his half - brothers in this fanfic, there would be a sense of family loyalty. Dean might be a bit overprotective at first, seeing Harry as the younger brother he needs to keep safe. Sam, on the other hand, would likely be interested in Harry's magical knowledge and how it could be applied to their hunting.
It could mean that in this fanfic, the characters or the essence of the Harry Potter world are being misused or mistreated in a really bad way. Maybe the author is taking the story in a direction that goes against the spirit of the original series, like making the characters act out of character or putting them in overly cruel or inappropriate situations.
Some 'abused Harry Potter oc fanfic' might feature an OC who is a Muggle - born in a time when there is a strong anti - Muggle - born sentiment. They could be physically or verbally abused by pure - blood supremacists. The story could show how this OC tries to hide their identity at first, but then gradually finds the courage to stand up against the abuse with the help of some kind - hearted characters like Harry, Hermione, or Ron. It could also delve into how the abuse affects their magical development and their view of the wizarding world as a whole.
In 'abused Harry Potter fanfic', you should avoid poor grammar and spelling. It can be really distracting and make the reading experience unpleasant. Also, fanfics that try to insert modern - day concepts that are completely out of place in the wizarding world, such as using modern technology in a way that doesn't make sense in the context of Hogwarts and the magical society. And stories that overly sexualize the characters, especially the underage ones, are a big no - no.
It could be fanfiction where Harry Potter is subjected to abuse and then the story focuses on bashing the abusers or the situation. It might involve scenarios where Harry faces unjust treatment and the author uses the story to condemn such actions.
One common theme is Harry's isolation. In these fanfics, he's often cut off from the wizarding world while with the Dursleys, emphasizing his loneliness. Another theme could be his resilience. Despite the abuse, Harry finds ways to endure and often shows great strength of character. For example, he might secretly practice magic to give himself hope in the face of the Dursleys' cruelty.