A possible plot could involve a time - travel scenario. Harry accidentally gets sent back in time and meets a young Abraxas Malfoy. They initially have their differences due to their family backgrounds. But as they face a common threat, like a dark wizard who was causing havoc at that time, they are forced to work together. Harry learns about the Malfoy family's history from Abraxas himself and realizes that not all Malfoys were as bad as he thought.
One plot idea could be that Abraxas Malfoy, being from an older generation, has some long - forgotten knowledge about Hogwarts' secrets. Harry discovers a diary or an old parchment left by Abraxas that leads him on a quest to find a hidden magical artifact within the school. This could involve Harry having to interact with the ghosts of Hogwarts who knew Abraxas personally.
One idea could be a time - travel plot where Harry Potter accidentally travels back in time and meets Abraxas Malfoy. He could try to change certain events related to the Malfoy family's future actions in the wizarding world. Another plot could involve Abraxas Malfoy leaving behind a mysterious magical artifact that Harry discovers. Harry then has to figure out what it does and if it has any connection to the dark past of the Malfoy family.
A possible plot idea is that in an alternate universe, the wizarding world has different alliances. Hermione and Abraxas meet at a magical symposium where they are both presenting on different forms of magic. They initially clash but then realize they have more in common than they thought. Or perhaps there is a mystery that only their combined skills can solve. Maybe a dark magic artifact that is related to both Gryffindor and Slytherin, and they must put aside their differences to stop its power from being misused.
A really interesting plotline is when Fem Harry Potter discovers that Abraxas Malfoy has a secret power that could change the fate of the wizarding world. She has to decide whether to trust him and help him use it for good or to stop him in case he has ulterior motives. This creates a tense and engaging story full of moral dilemmas and unexpected alliances.
One idea could be a time - travel plot where Hermione and Malfoy are sent back in time together and have to rely on each other to get back, while Harry is somehow involved in the events that led to their time - travel. Another could be a story where they are all part of a secret magical project that forces them to work together despite their differences. Malfoy might have some unique knowledge that Hermione respects, and Harry could be the mediator between their clashing personalities.
A possible plot could be that Abraxas Malfoy is in a difficult situation, perhaps being wrongly accused of a dark magic crime. Hermione, being the intelligent and just witch she is, decides to help him prove his innocence. Along the way, they learn about each other's values. Hermione realizes that not all Slytherins are as bad as she thought, and Abraxas sees that Gryffindors can be more than just brash and impulsive. Their relationship evolves from distrust to a sort of mutual admiration as they face various challenges in clearing his name.
In fanfiction, Abraxas Malfoy is often portrayed as a key figure in the history of the Malfoy family. His actions and decisions in the past can shape the present - day Malfoys. For example, he might have been involved in some dark magic practices that are now being uncovered. His relationship with other pure - blood families is also explored, which gives a deeper understanding of the wizarding world's social structure.
One great fem Harry Potter and Abraxas Malfoy fanfiction is 'The Unforeseen Bond'. It explores a unique relationship between them. The story is set in an alternate Hogwarts where Fem Harry has to navigate a world full of secrets and political intrigue, with Abraxas Malfoy being an unexpected ally.
One interesting plot idea could be that Harry teaches Scorpius advanced defensive magic. Since Scorpius is a bright young wizard, Harry sees potential in him and decides to pass on some of his own unique skills. Another could be Harry teaching Scorpius about the importance of friendship across house divides, using his own experiences with Ron and Hermione as examples.
One idea could be that Harry is sorted into Slytherin instead of Gryffindor. He then has to deal with the prejudices within his own house as well as from other houses. Draco could initially be hostile but then they gradually become friends as they discover they have more in common than they thought, like their ambition and a desire to prove themselves. They could team up to solve a mystery within the Slytherin common room that is linked to the dark history of the house.
One idea could be that Harry discovers Narcissa has a secret mission to undermine Voldemort from within. Maybe she's been secretly helping the Order of the Phoenix all along and Harry stumbles upon this knowledge.