A third idea is that Blaise and Hermione are chosen to represent Hogwarts in an inter - magical school competition. They have to train together and overcome their differences. As they face challenges in the competition, they realize their mutual respect and admiration for each other's skills, which gradually turns into a romantic relationship.
Well, a plot might involve a magical artifact. Hermione discovers it first, but Blaise, being possessive, wants to be the only one associated with it through Hermione. So he tries to control her access to it and the research around it. Or perhaps there's a magical competition, and Hermione is the star contestant. Blaise gets possessive, fearing she'll get too close to the other competitors, so he acts as her self - appointed protector throughout the event.
A possible plot for this fanfiction could be that Blaise Zabini's dad was a double agent during the first wizarding war. Harry finds out about this when he starts to investigate some strange occurrences at Hogwarts that seem related to the past. This discovery leads to a series of events where Harry has to trust Blaise, despite their differences, to uncover the truth. Along the way, they might also learn more about their own families and the secrets they have been hiding.
One idea could be that Blaise Zabini's dad was a close friend of Sirius Black in their youth. When Harry Potter starts to explore Sirius's past, he stumbles upon Zabini's dad and uncovers a story full of friendship, betrayal, and a long - lost magic that could change the course of the wizarding world again.
One idea could be that Blaise Zabini's dad was a secret agent for the Order of the Phoenix all along. He could have been spying on the Death Eaters from within their ranks and using his family's reputation to gain their trust. This would add a whole new layer of mystery and intrigue to the story.
One idea could be that Hermione is turned into a vampire against her will and Blaise, who has been a vampire for a long time, takes it upon himself to teach her how to control her new powers. He could introduce her to the vampire society and they end up falling in love during the process.
A plot could be set post - Hogwarts. Draco and Blaise are trying to redeem their families' reputations in the wizarding world. Hermione, being the brilliant witch she is, is working on some important magical research. Their paths cross when a dark magic artifact resurfaces. Hermione believes it can be used for good if studied properly, while Draco and Blaise are worried it will fall into the wrong hands again. So they team up to protect it and study it.
A plot could involve FemHarry having a special connection to an ancient magical artifact that Hermione helps her research. As they dig deeper, they find out it has the power to change the wizarding world. They then have to protect it from dark wizards who want to use it for evil. This would lead to a lot of action and suspense.
Well, a plot might be that Hermione is deaged due to a magical accident in the library. As a deaged Hermione, she has a different view on things. She might start to question the rules of Hogwarts more, as she doesn't have the same level of respect for them as her older self. Her friends, Harry and Ron, would have to deal with this new, more rebellious Hermione while also trying to figure out how to reverse the deaging spell. This could cause a lot of chaos in Hogwarts.
One plot idea could be Hermione helping Hagrid with a new magical creature he discovers. Maybe it's a creature that has unique abilities and Hermione uses her extensive knowledge from books to figure out how to take care of it.
One plot idea could be that Hermione, through some magical accident, ends up in the Asgardian realm. Thor then has to help her get back home while she uses her magic to solve various problems in Asgard, like dealing with a mysterious magical threat that the Asgardians' magic can't handle.