There are quite a few fanfictions out there. Some might depict Harry with a chronic illness that he's had since childhood but kept hidden. This adds a whole new layer of depth to his character, as he has to deal with not only the threats from Voldemort but also his own health issues. For example, he might struggle with fatigue during important battles.
A really engaging fanfiction could involve Harry getting an illness that no one in the wizarding world has seen before. It could be something that causes him to lose his connection to his wand. This forces him to explore different forms of magic, like wandless magic or ancient spells that don't require a wand. His friends, Hermione and Ron, would then have to search for a cure while also protecting Harry from those who might see his weakened state as an opportunity.
One interesting fanfic could be 'Harry's Hidden Rage'. It delves into how Harry's anger issues might have stemmed from his childhood traumas. It shows his internal struggles as he tries to control his temper in the wizarding world, which is full of provocations.
Well, 'Metamorphmagus Encounters' is also worth checking out. In this fanfic, the Metamorphmagus element is used to explore different magical abilities and how they interact with the wizarding world. It dives deep into the lore of Metamorphmagi and their place in the Harry Potter universe. There are some really cool scenes where the Metamorphmagus uses their powers in unexpected ways.
One interesting Harry Potter and Nazgul fanfiction could be one where the Nazgul somehow cross into the Harry Potter universe. Maybe they are drawn there by the dark magic that Voldemort wields. A great place to start looking for such fanfics is on fanfiction.net. There are many works that blend different fantasy elements together in creative ways.
There's also 'Bellatrix, Narcissa and the Unseen Alliances'. This fanfic explores how the two sisters might have formed secret alliances or had different agendas during the wizarding war. It really brings out their individual personalities and how they interact with other characters from the series.
One great fanfiction in this category is 'The Vampire's Bond with Harry Potter'. It has an interesting plot where the OC vampire character has a unique connection with Harry. The story is well - written, with detailed descriptions of the wizarding world combined with the vampire lore.
One great Mrs Granger fanfiction is 'The Hidden Knowledge of Mrs Granger'. It delves into her backstory before Hermione was born. It shows her as a brilliant witch in her own right, with her own adventures at Hogwarts that were never mentioned in the original series. It gives a new perspective on Hermione's family and how her mother's experiences might have influenced Hermione's thirst for knowledge.
There's 'Harry Potter and the Royal Alliance'. This story has Harry marrying into a wizarding royal family. It delves deep into the politics and traditions of this fictional royal family and how Harry has to adapt to his new role. It's quite detailed and full of twists and turns. For example, he has to deal with jealous nobles and ancient spells that are part of the royal heritage.
Some fanfictions focus on Harry Potter time - traveling back to the era of Lord Gryffindor. Here, Harry gets to experience the founding of Hogwarts first - hand. He witnesses the great friendship between Gryffindor and the other founders, and also learns some long - lost spells and magical knowledge that he can bring back to his own time to use against Voldemort.
There are several out there. 'Harry Potter and the Rise of the Ghost King' is also quite popular. In this one, the Ghost King's backstory is explored in relation to the Harry Potter universe. It delves into how his presence could change the whole dynamic of Hogwarts and the fight against Voldemort. It's really exciting as it combines the mystery of the Ghost King with the well - known elements of the Harry Potter series.
One great fanfiction could be 'The Mysterious Divination Teacher'. In this story, the new divination teacher has a unique background from a far - off land. She brings in new methods of divination that are not in the original books, like using the movements of fireflies to predict future events. It's really engaging as it shows how the students, especially Hermione, are both skeptical and intrigued by these new teachings.