I'm not entirely sure. While there is a large amount of Harry Potter fanfiction out there, the specific 'harry is evil and mated' concept might be a bit more niche. It could be that it exists on some smaller fanfiction platforms or within certain groups of fans who like to explore darker and more unconventional storylines.
One common theme could be the exploration of power. If Harry is evil, his use and abuse of magic power in a different way than in the original story. And the'mated' aspect might bring in themes of loyalty and possessiveness in relationships that are twisted due to his evil nature.
The main characters are clearly Harry and Severus. Harry, in this fanfiction, is depicted as evil, which is a big departure from his original character in the canon. And Severus, who has his own complex personality, is mated to Harry.
One popular 'evil harry is mated to tom' fanfiction is 'Dark Alliances'. It explores the complex relationship between an evil - leaning Harry and Tom in a really interesting way, with a lot of plot twists.
One possible interesting plot could be the conflict it creates within the wizarding world. If Harry is evil and mated to Severus, it would shock everyone. Their relationship would likely be a source of great turmoil, with friends and foes alike trying to figure out how to deal with this unexpected union.
The Evil Prince was a transmigration novel by Endless October. The story described the plot of Xu Hao and Xu Xiao being involved in the battle for the throne after they transmigrated into the Third Prince of the Great Chu Dynasty. Xu Hao's decision to fight for the world had aroused some people's approval and opposition. This novel was being serialized, and the latest chapter was updated on April 16, 2024. Other than that, there was no other information about the Evil Prince, such as the specific plot and character development.
The character development in these fanfictions is a big part. Harry's transformation into an 'evil' version and how Tom responds to this new Harry. Their relationship also affects other characters around them, like their friends and enemies. There could be a lot of political intrigue in the wizarding world due to their mated status, as different factions might try to use or oppose them.
The Evil Prince was a magical time-travel novel. It told the story of a woman who transmigrated into the body of a peerlessly beautiful man and had a series of feelings for the man beside her. The specific plot and development of the story required reading the details of the novel.
There were different descriptions and views on whether the Second Prince was bad after being poisoned by the Emperor Phoenix. Some documents believed that the Second Prince was a complicated character, with both negative behavior and motivation as well as positive traits. He had colluded with the Eldest Princess to seize the palace treasury's smuggled property through the Ming family and attempted to coerce Fan Xian into submitting to him. Other documents mentioned that the Second Prince was a scheming and ruthless person. He coveted the throne and had attempted to rebel. However, in the end, he chose to commit suicide. His actions and conspiracy were exposed and suppressed. Therefore, according to the information provided, the Second Prince was portrayed as a bad character in the play.
The Evil Prince was a magical time-travel novel. It told the story of a woman who transmigrated into the body of a peerlessly beautiful man and had a series of feelings for the man beside her. The specific plot and development of the story required reading the details of the novel.