One idea could be a story where a young wizard from the Harry Potter world accidentally travels to the Bleach universe. He could discover his newfound spiritual powers and try to find a way back home while getting involved in the battles against Hollows. Another plot could be a crossover where the Hogwarts houses are somehow related to the different Soul Reaper squads in Bleach. For example, Gryffindors could have an affinity with the more combat - oriented squads.
To create unique characters, consider the powers and limitations of each universe. In Harry Potter, there are limitations on magic based on age and magical ability. In Bleach, Soul Reapers have different levels of power. A character could be a young wizard who has an unusually high amount of spiritual pressure like in Bleach. This makes them a target for both the wizarding world (who might be jealous or scared) and the Hollows in the Bleach world. Or you could create a character who is a Soul Reaper that has a special connection to the magical creatures in Harry Potter. Maybe they can communicate with Thestrals because they have a similar spiritual energy. This would make them stand out in both worlds and add a lot of interesting storylines to the fanfic.
The combination of two very different universes. Bleach has its own unique take on the afterlife, spiritual power, and sword - based combat. Harry Potter has a rich world of magic with wands, spells, and a magical school. When combined, it creates a whole new set of possibilities for stories.
Definitely. A lot of these fanfics explore how the magic systems of both worlds interact. In some, the Quincy from Bleach might be compared to the wizards in Harry Potter in terms of their use of spiritual energy and magic spells. You can also find fanfics that focus on the relationships between characters from the two series, like how Rukia and Hermione might become friends or rivals.
One interesting concept could be the magic systems merging. For example, how the spells from Harry Potter would interact with the spiritual powers in Bleach. Maybe a wizard could use a Patronus charm in the Bleach universe and it would have a different effect, like scaring away Hollows instead of Dementors.
In a Bellatrix and child Harry Potter fanfic, the author might explore the idea of Bellatrix having a change of heart towards Harry. It could start with her seeing some of James Potter in the young Harry. This could lead to a series of events where she tries to protect Harry from other Death Eaters, which would be a huge deviation from her character in the original series. However, it would make for a very interesting and unique fanfic.
It could be a fanfiction that focuses on the idea of a character in the Harry Potter universe remaining a child forever. Maybe it explores how that character's eternal childhood affects their relationships, their magical abilities, or the overall plot of the story.
Definitely not. J.K. Rowling created a magical world full of wonder and positive themes. The concept of a child bride has no place in this world. It would be a perversion of the original story and its intended audience, which is mainly children and young adults who are supposed to be inspired by the good values in the books.
I really like 'A Wizard in Soul Society'. This fanfic has some amazing crossovers. It imagines what would happen if a Harry Potter character ended up in the Bleach universe. It does a great job of exploring the differences between the two worlds while still maintaining the essence of both.
Ron and Uryu might be paired. Ron has his own insecurities but also his moments of great courage, much like Uryu. They could bond over their skills in combat, Ron with his magic and Uryu with his Quincy powers.