A theme could be redemption in death. Suppose there were some characters who had wronged Harry in the past. His death could lead to their redemption as they realize the error of their ways and strive to make amends in his memory. Also, exploration of the magical legacy he leaves behind is a theme. His death could unlock some hidden magic or knowledge that benefits the wizarding world.
Some fanfictions might focus on the idea of Harry's death as a catalyst for change. His death could be the spark that finally unites the different factions in the wizarding world that were previously divided. It could also lead to a re - evaluation of the Hogwarts curriculum or the way magic is taught, as his unique approach to magic was always different from the traditional ways.
Some fanfictions in this vein might explore the idea of legacy. Harry, knowing he's dying, could be concerned about how he'll be remembered. He might try to pass on his knowledge and values to the younger generation at Hogwarts. It could also show the impact of his illness on his relationships. His relationship with Ginny might be strained as they both struggle to deal with the reality of his situation.
One common theme is sacrifice. Harry might be sacrificing himself for the safety of his friends or the entire wizarding world. Another theme is friendship. His friends' reactions to his impending death, their attempts to save him, and how they deal with the loss all play a part. For example, Ron might feel guilty for not being able to protect Harry better.
One possible plotline could be that Harry is dying from a mysterious dark curse. His friends, like Hermione and Ron, are desperately searching for a cure. They might travel to far - off places, seeking ancient magic or the help of powerful wizards. Another plotline could be that Harry is sacrificing himself for the greater good, perhaps to defeat a new and powerful dark force. His slow death could be a time of self - reflection and him saying goodbye to his loved ones.
A theme that can't be ignored is grief. His death would cause intense grief among his comrades, family, and allies. This grief could be a driving force for some characters to seek revenge or to carry on Ichigo's unfulfilled dreams. Also, the theme of the afterlife might be explored, like what happens to Ichigo's soul after he dies.
The theme of mortality would be prominent. Harry's impending death due to magical cancer makes everyone, especially Draco, confront the fragility of life in the wizarding world. Also, the theme of self - discovery for Draco as he delves into this mission to save Harry and discovers new aspects of himself and his capabilities.
One possible storyline could be that in a final battle against Voldemort, Harry sacrifices himself in a way that no one could reverse. For example, he might use a powerful spell that requires his life force to destroy the last of Voldemort's Horcruxes. Another could be that he succumbs to a dark curse that was placed on him long ago, which was dormant until a certain event triggered it. Maybe a character that was thought to be an ally actually turned out to be a double - agent and cast a fatal spell on Harry.
One well - known 'Harry Potter dying' fanfiction might be the one where Harry sacrifices himself in an alternate battle against Voldemort. In this story, his death is a noble act to save his friends and the wizarding world. It shows his selfless nature even in the face of ultimate danger.
A common theme is the exploration of magic in relation to their relationship. Magic could play a role in bringing them together or in the significance of their kiss. For example, a magical bond might be formed through the kiss. Also, the theme of growing up is often present. As they move from being schoolboys to young adults, their feelings for each other develop, and the kiss can be a milestone in that process of maturing and understanding love in a different way.
One popular theme is Hermione's academic achievements. Writers often explore how she further expands her knowledge of magic. Another is her relationships, like her friendship with Harry and Ron in new and different scenarios.
One popular theme is Luna's relationship with other characters. For example, her friendship with Harry, Hermione, or Neville might be explored in more depth. Writers might show how her unique personality influences those around her and how their friendships grow over time. Another theme could be Luna's exploration of the wizarding world's secrets. Since she has such an open and curious mind, fanfictions might send her on adventures to discover hidden places or forgotten magic.