Maybe there's a prophecy that states only their union can save the wizarding world. So, they are forced to get together for the greater good. Along the way, they start to understand each other better. Lucius realizes Harry's courage and Harry sees a different side of Lucius that was hidden beneath his Death Eater facade. This new - found understanding and the importance of the prophecy could be the basis for their marriage in the fanfiction.
One plotline could be a time - travel scenario. Harry goes back in time and somehow ends up changing Lucius' path before he becomes a full - blown Death Eater. This alteration in Lucius' life leads to a different relationship developing between them, which could end in marriage. Another could be a situation where they are both under the influence of a powerful magic that makes them see each other in a new light, and they fall in love despite their differences.
One interesting plotline could be Lucius Malfoy having a change of heart due to Harry Potter's influence. Maybe he starts to question his loyalty to Voldemort after seeing Harry's courage and selflessness up close.
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.
A plotline could involve Lucius having a change of heart after the fall of Voldemort. He realizes the error of his ways and tries to make amends. Harry, being the forgiving person he is, decides to help Lucius integrate back into the wizarding society. This could lead to a series of adventures where they face prejudice from other wizards together and form an unlikely friendship.
One reason could be for the greater good of the wizarding world. If Lucius is healed, he might be able to turn away from the Dark side and provide useful information about Voldemort's remaining followers.
Well, in some fanfictions, Harry might use his advanced magic skills he learned from Dumbledore's old books. Maybe he discovers a long - forgotten spell that can reverse the dark magic effects on Lucius.
One popular 'Harry Potter and Lucius Malfoy yaoi fanfiction' is 'A Darker Shade of Magic'. It explores an alternate universe where their relationship takes on a very different dynamic. The story is full of mystery and the complex relationship between the two characters.
Another theme could be family legacy. Both Harry and Lucius have strong family legacies that shape them. Fanfiction can explore how these legacies interact and influence their relationship. For example, how Harry's parents' sacrifice and his Gryffindor heritage contrast with Lucius's Malfoy name and Slytherin roots.
One interesting fanfiction could be about Lucius Malfoy having a change of heart and secretly helping Harry Potter in a dangerous situation. Maybe he realizes the error of his ways in the midst of a dark wizard attack on Hogwarts and uses his knowledge and influence within the Death Eaters to turn the tide in Harry's favor.
Well, a possible plotline could involve the discovery of this relationship. Maybe Harry has always felt out of place with the Dursleys and then finds out about his true family connection. This could lead to a whole new set of adventures as he tries to understand the Malfoy family and his place in it. There could also be a plot where the Malfoy family is initially against Harry because of his association with Dumbledore and the Order, but over time, Harry manages to bridge the gap between them. And perhaps, in a more complex plot, Harry could be the key to the Malfoy family's redemption in the eyes of the wizarding community.
There are some fanfictions where Lucius Malfoy becomes a mate to another character through a shared goal. For instance, in a story where the wizarding world is under a new threat, Lucius and another character might find that they need to combine their resources. Lucius, with his wealth and knowledge of the wizarding elite, teams up with someone who has different skills. They start off as reluctant partners but end up as true mates in the fight.