Bellatrix has a complex relationship with other characters. Her hatred for the Order of the Phoenix members, especially those like Sirius Black and Harry Potter, can be delved into. A fanfic could explore her vendetta against them, why it is so strong, and how it affects her actions. Also, her relationship with her sister Narcissa shows a different side of her, a more family - oriented side, which can add depth to her character in fanfic.
Good Bellatrix fanfics often have unique plotlines. Maybe she has a secret mission that goes against Voldemort's orders, or she has a relationship with another character that changes her perspective. Fanfics that make her a more complex character, rather than just a crazy villain, are the ones that stand out. For instance, if she has a moral dilemma that makes the reader think about her in a new light.
Narcissa's family connections make her interesting. She's a Malfoy, married to Lucius and mother of Draco. In fanfic, this gives writers a lot to work with in terms of family drama and loyalty. For example, she has to balance her loyalty to the Dark Lord with her love for her son.
For Bellatrix, she could start to question her loyalty to Voldemort. Her interactions with Harry might make her realize that there's more to the world than just blindly following the Dark Lord. As for Harry, he could become more aware of the true nature of the Death Eaters at a very young age, which would shape his future battles. He might also develop a sense of pity for Bellatrix in a way, understanding that she's a victim of Voldemort's ideology too.
Well, a cool plot for a 'Harry Potter and Bellatrix Fanfic' might be that Bellatrix, in a moment of confusion during a battle, uses a spell that transports her and Harry to a different time period. There, they have to rely on each other to survive and in the process, Bellatrix starts to question her loyalty to Voldemort. Also, a plot where Bellatrix discovers that Harry has a hidden power that could be used to bring back someone she lost, and she bargains with him for it could be interesting.
In Harry Potter fanfic, Terrence Higgs can be an interesting character for several reasons. First, his name is associated with the wizarding world, which gives authors a starting point. His role can be expanded in fanfic. For example, he could be involved in some secret Hogwarts club or a plot that was going on behind the scenes in the original story. He can also be used to create new relationships, whether it's a friendship or a rivalry with the main characters. Fanfic writers can use his character to add new layers to the already rich Harry Potter universe.
What makes Dark Harry and Bellatrix fanfiction interesting is the contrast. Harry was a hero, and now he's dark. Bellatrix was a villain, and they come together. It's like two opposing forces colliding in a new way.
Some fanfictions might focus on Bellatrix's relationship with Voldemort in more depth. How her loyalty to him was formed and what she was really thinking during their interactions. For example, in some fanfictions, they might explore if there was a more complex emotional bond between them than just master - servant.
One idea could be exploring Bellatrix's backstory before she became a Death Eater. Maybe she had a complex relationship with her family that led her down the dark path. Another could be a story where she has a change of heart, perhaps due to an unexpected encounter with a character like Harry Potter. For example, she could see some of her own past self in Harry and start to question her loyalty to Voldemort.
A fanfic about Bellatrix's early years at Hogwarts could be interesting. It could explore her friendships, rivalries, and how she first got involved with the Dark Arts. Or perhaps a story where Bellatrix teams up with other characters, not for evil purposes, but to fight a greater, common threat that endangers the wizarding world as a whole.
Well, it's interesting because it allows for a lot of creative reinterpretations of the Harry Potter universe. Writers can play with the idea of time travel, alternate realities, or simply exploring the characters' untapped emotions. For instance, in some fanfics, Bellatrix might have a moment of doubt about her loyalty to Voldemort because of her connection to Sirius. Or Sirius might find himself having to face his own family demons in a new way because of Bellatrix. There are endless possibilities for character development and plot twists in these fanfics.