One interesting aspect could be the exploration of Voldemort's character in a way that he actually wins. It might show his different strategies and how he would rule the wizarding world. For example, it could delve into how he would restructure Hogwarts or deal with the remaining resistance.
Another option is to check out some Harry Potter fanfic blogs. They sometimes feature and recommend different types of fanfics, and there's a chance you'll find some good 'best voldemort wins fanfic' among their recommendations.
In some fanfictions, Voldemort wins through a change in the prophecy's interpretation. If the prophecy was misread, it could give him an edge he didn't originally have.
In voldemort wins fanfiction, there might be a lot of character development that goes against the original. For instance, some of the Death Eaters could become more complex characters. They may start to question Voldemort's extreme rule once they see the destruction it causes. Also, there could be a different take on the prophecy and how it was misinterpreted which led to Voldemort's win.
Bellatrix Lestrange would probably be a main character. As one of Voldemort's most loyal followers, she'd be at the forefront of his new regime. She might be in charge of torturing those who oppose Voldemort.
Maybe Voldemort manages to defeat all the major resistance. He could start by taking out key members of the Order of Phoenix one by one. For example, he might ambush Sirius Black early on, weakening the Order's intelligence network. Then, he'd target Dumbledore, perhaps using some dark magic that even Dumbledore couldn't counter. With the two biggest threats out of the way, he'd be able to overrun the wizarding world, starting with Hogwarts. He'd install his own regime, making pure - blood supremacy the law and punishing those who oppose him severely.
One popular fanfiction could be 'The Dark Triumphant' where Voldemort wins in a very different way. It shows how Draco, Hermione and Ron are caught in a world ruled by Voldemort's new order. Another one might be 'A World Turned' which explores how the relationships between Draco, Hermione and Ron change when Voldemort is victorious. There are also some that focus on the moral and ethical dilemmas the characters face in such a dark world.
One great 'Harry Potter Grindelwald Voldemort' fanfic is 'The Dark Alliances'. It delves into the possible interactions between Grindelwald and Voldemort that were not fully explored in the original series. It shows how their dark magic ideologies might have collided or united in a different way.
A 'aokiji wins fanfic' is essentially a piece of fan - created fiction focused on Aokiji's victory. Fanfics are often written by fans who want to explore different possibilities for their favorite characters. In this case, Aokiji could win in various ways. He might outwit his opponents, or he could have some sort of new power - up that allows him to win a difficult situation. It could also be a story where he wins the hearts of the people around him, becoming a more respected and beloved character in the fan - created narrative.
In many such fanfictions, Draco often has a complex reaction. Since his family was on Voldemort's side initially, he might initially be in a position of power but then start to question Voldemort's methods. Hermione, being the intelligent and strong - willed character, usually tries to find ways to resist. Ron, who is loyal to his friends, stands by Hermione and they often try to form some sort of resistance together.