One possible plotline could be Narcissa finding the strength to break free from Lucius's abuse and seek help from her friends or family within the wizarding world. She might start to secretly learn defensive magic to protect herself.
It could be that the fanfiction focuses on Narcissa's internal struggle. She loves Lucius despite the abuse, believing he can change. So she endures the abuse while trying to reach the good side of Lucius through her love and kindness, all while the wizarding world around them is oblivious to what's really going on.
Perhaps in the fanfiction, Narcissa could be in an arranged marriage with Lucius, and the abuse begins as he tries to assert his dominance over her. But Narcissa discovers a hidden power within herself that she uses to fight back and expose Lucius's true nature to the wizarding community.
One possible plotline could be Draco finally standing up to Lucius after years of abuse. He might find the strength within himself, perhaps with the help of a friend like Harry Potter. Another could be Lucius realizing the error of his ways and trying to make amends, which would be a complex and emotional journey for both characters.
Narcissa can be developed by showing her growth from a victim to a survivor. At first, she may be meek and submissive due to the abuse. But as the story progresses, she could become more assertive. For example, she starts to speak up against Lucius's actions in private, which is a small but significant step.
A plot could involve the challenges they face within their families. Their families might have high expectations for this union. Lucius's family could be pressuring him to ensure the family's wealth and status are maintained through this marriage. Narcissa's family might be more concerned with her being treated well. There could be family feuds or rivalries that they have to navigate together, which in turn could either bring them closer or drive them apart. Also, their relationship could be affected by the political climate in the wizarding world. If there are tensions between different pure - blood families or groups, their marriage could be seen as a strategic move to strengthen alliances.
Maybe Harry is being bullied and psychologically abused by some Slytherin students under Lucius' influence in a way that Lucius didn't initially anticipate getting so out of hand. Lucius then steps in to save Harry from this situation, perhaps to avoid a scandal that could harm his family's reputation in the wizarding community. It could also be that Harry is being abused by some dark magic experiments in the school that Lucius uncovers accidentally while looking for something else, and he decides to save Harry out of a sense of justice or self - preservation as the chaos could spread and affect his own son Draco.
One possible plotline could be a story where Narcissa, perhaps having a change of heart in the complex world of the wizarding war, forms an unexpected bond with Hermione. They might start off as adversaries due to their different allegiances but gradually come to understand and support each other in a way that leads to this rather unique physical position as a symbolic representation of their new relationship.
One possible plotline could be that in a post - war world, Narcissa and Harry find themselves drawn to each other through mutual understanding. Maybe Harry sees a different side of Narcissa that was hidden during the war, and they start to build a relationship from there that leads to marriage.
One possible plotline could be a magical accident that causes Lucius to become pregnant. This could lead to him having to hide it from the other Death Eaters and the wizarding society in general, creating a lot of secrecy and tension. Another could be a spell gone wrong during some dark magic experiment. He would then have to deal with the physical and emotional changes while still trying to maintain his status in the wizarding world.
In some 'Harry Marries Lucius' fanfictions, it might start with a completely different wizarding world setting. For example, a world where the traditional enmities between the Gryffindors and the Slytherins are not as strong. Harry and Lucius could meet under different circumstances, like at a diplomatic event. Their relationship could then be a slow - burn one, with them having to navigate through cultural differences, power struggles within the wizarding world, and their own personal demons. This could all lead to their marriage and the subsequent development of their relationship.
One possible plotline could be that Harry is raised in the Malfoy Manor. This would give him a very different upbringing compared to his life with the Dursleys. He might be taught different values and magic from a young age.
Well, a possible plotline might be that Harry saves Narcissa during a dangerous situation in the wizarding war. This act of heroism makes Narcissa see Harry in a new light, and he in turn is drawn to her vulnerability. As they interact more, their relationship blossoms. Or, it could be that they are brought together by some magical force or prophecy that they initially resist but eventually give in to their feelings.