One interesting plotline could be Harry and Gabby teaming up to solve a mystery within Hogwarts that the teachers are oblivious to. They might use their unique skills and knowledge to uncover secrets about the castle's past.
A possible plotline is that Gabby has a special power that is both a blessing and a curse. Harry, being the hero he is, decides to help her control it. In the process, they grow closer as they learn about each other's strengths and weaknesses. They might also have to face dark wizards who want to use Gabby's power for evil.
Another plotline could involve Gabby being a new student from a different magical school, and Harry has to show her around Hogwarts. Along the way, they develop a deep friendship that could potentially turn into something more, with them facing challenges like dealing with jealous classmates or magical creatures that are causing trouble.
Harry, as we all know, has his group of friends like Ron and Hermione in the original story. But in this fanfiction, Gabby becomes a central figure in his life. Gabby could be a character who is new to the wizarding world of Hogwarts or she could be someone with a mysterious past that Harry is drawn to uncover. Their relationship and the development of their characters are what drive the story forward.
One possible plotline could be that Salazar Slytherin's long - lost magic has an unexpected connection to Harry Potter and Draco Malfoy. Maybe it reveals a hidden prophecy that involves the two boys working together to save Hogwarts from a new dark threat.
One possible plotline could be Harry learning different magical skills from each teacher in the harem. For example, he might learn advanced potions from one teacher and complex defensive spells from another.
One possible plotline could be Harry and Severus being forced to work together on a dangerous magical task. They start off hating each other but gradually come to understand and respect one another through the trials they face.
One interesting HP fanfiction is 'The Black Family Reunion'. It delves into the complex relationships within the Black family. Another could be 'Muggleborn at Hogwarts' which focuses on the experiences of a Muggle - born in the wizarding world. There's also 'The Time - Traveling Potter' where Harry travels back in time and changes some events.
One common plotline is that Hermione participates in the Triwizard Tournament instead of Cedric. This gives her and Harry a whole new dynamic as they face the challenges together. Another plotline could be that there's some sort of magical interference during the Tournament that makes Harry and Hermione realize their deeper feelings for each other. For example, a spell gone wrong that makes them share their innermost thoughts.
One interesting plotline could be a magical adventure where Harry Potter and the Lady of Hogwarts team up to discover a long - lost secret within the castle. Maybe they find a hidden chamber that holds the key to an ancient magic that can save Hogwarts from a new dark threat.
One plotline could be the Muggle girl introducing Muggle technology to the wizarding world. For example, she might show Harry Potter how a mobile phone works. It creates a lot of humorous and interesting situations as the wizards are often baffled by Muggle inventions.
Some fanfictions have a plotline where Snape survives the Battle of Hogwarts and he and Harry have to deal with the aftermath together. They might have to face the wizarding community's reaction to Snape's past actions and also work on rebuilding Hogwarts. There are also stories where Harry, while still at school, starts to understand Snape's difficult position between Dumbledore and Voldemort and tries to help him in some way, which creates a whole new dynamic between them.
Well, there are plotlines that explore the idea of Harry being a reincarnation of someone important in Tom Riddle's past. This leads to a complex relationship where Tom is both drawn to and confused by Harry. Also, some fanfictions have a plot where Harry and Tom are in a magical duel that results in them being trapped in a magical realm together. There, they must rely on each other to escape while also dealing with their mutual distrust. Additionally, a plotline could involve Tom's diary Horcrux having a more sentient and positive relationship with Harry, which changes the way Tom views Harry from afar.