One interesting plotline could be the female Harry Potter adjusting to life in the Malfoy Manor. She might struggle with the pure - blood ideals that the Malfoys hold while also trying to keep her own identity. Another could be her relationship with Draco. Since they are now in a more family - like situation, their dynamic could change from the original enmity in the books. And she might also discover secrets about her parents from Narcissa that were previously unknown.
A possible plotline is that the female Harry Potter, with Narcissa's influence, starts to learn different types of magic that are more common among pure - blood families. This could lead to her being ostracized by some of her friends from Hogwarts who come from non - pure - blood families. Also, Narcissa might try to protect her new adopted daughter from the Dark Lord, which could put the Malfoy family in a difficult situation.
In this fanfiction, a great plotline could be the female Harry Potter using her new family connection to Narcissa to investigate the Death Eaters from the inside. She could pretend to be on their side while actually trying to undermine their plans. And as she grows up in the Malfoy household, she could start to change the way the Malfoys think about things like blood purity, gradually making them more inclusive.
One interesting plot twist could be that Narcissa uses her influence in the wizarding world to protect Harry from the dark forces in a way the Dursleys never did. Maybe she secretly trains him in dark arts defenses that are not part of the Hogwarts curriculum, which gives him an edge later on. Another could be that Harry's presence in the Malfoy household causes a rift between Narcissa and Lucius, as Lucius is still loyal to Voldemort at first and doesn't trust Harry. This could lead to some tense family drama within the Malfoy manor.
One interesting plotline could be that Harry is adopted by a powerful wizarding family outside of Britain. They might introduce him to different magical cultures and spells, expanding his magical knowledge far beyond what he would have learned at Hogwarts. This could lead to him having unique magical abilities and a new perspective on the wizarding world.
In some versions of such fanfiction, it could explore how the wizarding society reacts to Narcissa Malfoy being in this position. Some might be appalled, some might see it as a chance for redemption for the Malfoy family. And all the while, Harry Potter is caught in the middle, trying to balance justice and mercy, which makes for a very engaging story.
One interesting plotline could be how Harry adjusts to the Malfoy family's pure - blood traditions while still holding onto his own values. For example, he might struggle with the Malfoys' views on Muggle - borns. Another could be his relationship with Draco Malfoy. Instead of being rivals, they could become brothers in a sense, and their dynamic would change completely, leading to new adventures at Hogwarts together.
One interesting plotline could be that Harry is adopted by a powerful wizard family outside of the wizarding world. They introduce him to different magical cultures and techniques that are not common in Hogwarts. This gives Harry a whole new perspective on magic and makes him even more powerful in the long run.
One interesting plotline could be a character who is adopted into a pure - blood family and has to navigate the complex politics of the wizarding world's blood hierarchy. They might face discrimination from some traditional pure - bloods while also trying to find their place within the family's expectations.
Another possible plotline is the relationship between Harry and the goblin community. How do they accept him as one of their own? There could be some goblins who are against the idea of adopting a human, and Harry has to prove himself worthy. This could lead to a lot of internal conflict within the goblin society as well as Harry's own personal growth.
One possible plotline could be that Harry's adopted Veela family helps him discover new magical abilities that are unique to their Veela heritage. This could give him an edge in his battles against Voldemort.
In this 'harry is blood adopted by potter fanfiction', a great plotline could be Harry's struggle to find his identity. He's now part of the Potter family in a more profound way, but he also has his own experiences and personality. There could be a story arc where he tries to blend the two, while also dealing with the fact that his adoption might have been part of some greater plan. Maybe he uncovers a conspiracy behind his adoption, which involves dark wizards or hidden agendas within the wizarding world. This would not only change his view of his family but also his role in the fight against evil.
One interesting plotline could be how they deal with the reactions from their respective families. For example, Harry's friends might be shocked as Narcissa is from a Death Eater family. Another could be how they navigate the wizarding society together, perhaps changing the perception of Slytherins and Gryffindors getting along. Also, it might involve them working together to protect Draco, as Harry has a sense of justice and Narcissa wants to keep her son safe.