A fanfiction with Harry Potter dressing as Ulquiorra could start with Harry being curious about different forms of power and personalities. He discovers Ulquiorra's character from some magical source. As he starts to dress and act like Ulquiorra, he finds that his own magic is affected in strange ways. His Patronus might change in appearance or his spellcasting could become more precise yet colder. He would also face challenges from the wizarding community who don't understand his new guise, but at the same time, he might attract the attention of some dark forces who mistake him for someone with new and dangerous abilities.
A fanfiction with godlike Harry Potter and Ulquiorra would likely involve a lot of power dynamics. Harry, with his enhanced abilities, could be seen as a disruptor in Ulquiorra's world. Their interactions might not only be about physical combat but also about ideological differences. For example, Harry's values of friendship and loyalty could clash with Ulquiorra's more detached view of the world. It could also explore how their powers interact, like if Harry's magic can affect Ulquiorra's spiritual form, or vice versa.
In this fanfiction, the plot could start with a strange magical phenomenon that causes Harry Potter to be reborn as Ulquiorra Cifer. He initially struggles with his new form and the cold, emotionless nature that comes with being Ulquiorra. However, as he gets used to it, he starts to use his wizarding skills in the Bleach world. He could use spells to enhance his combat abilities as Ulquiorra. The story might then lead to a great battle where he has to face a powerful enemy that is threatening both the magical and spiritual worlds. Along the way, he might also meet some characters from the Harry Potter series who have also been transported into the Bleach world in different forms, and they have to work together to save both universes.
It would be really wild. Maybe Harry Potter would have some of Ulquiorra's powers like his cero blast, but in the form of a wizard spell. Or perhaps he would have Ulquiorra's cold and emotionless demeanor in the wizarding world, which would be a huge contrast to his normal self. He could be dressed in a way that combines the Hogwarts robes with Ulquiorra's Arrancar outfit.
A possible plot for this fanfic could be that Orihime is a transfer student to Hogwarts, and Ulquiorra is a mysterious being lurking in the Forbidden Forest. Orihime's kind heart leads her to try and befriend Ulquiorra. As they interact, they start to change each other. Orihime might make Ulquiorra more empathetic, while Ulquiorra could teach Orihime to be more self - reliant in this dangerous magical environment.
Well, a major theme is often the exploration of duality. Harry has his own set of values and characteristics from the Potterverse, and when combined with Ulquiorra's from the Bleachverse, it creates a duality within him. This can be both physical and mental. Another theme is the idea of outcast. If Harry starts to look and act like Ulquiorra, he may be seen as an outcast in the wizarding world, which was already a bit of an outcast to the Muggle world. And then there's the theme of mystery. The readers are often left wondering how far this transformation will go and what the ultimate outcome will be for Harry.
There are indeed such fanfictions. The idea of combining the two characters in this way can lead to some really fascinating plotlines. For example, Harry could start to exhibit some of Ulquiorra's cold and detached behavior, which would be a huge contrast to his normal self in the original series. This could cause all sorts of chaos and confusion among his friends at Hogwarts. And the way the author might describe Harry's new appearance, similar to Ulquiorra's, could add an extra layer of intrigue to the story.
A plotline could involve a great evil that threatens both of their worlds. Harry Potter, with his godlike powers, and Ulquiorra, with his own formidable abilities, are forced to work together. Along the way, they have to overcome their differences and learn to trust each other. They might also discover that the source of the great evil has something to do with a misused or corrupted form of the power that Harry has.
I'm not entirely sure it's a very common or legitimate concept. Harry Potter and Ulquiorra are from two very different fictional universes. Harry Potter is a wizarding world with its own set of rules, magic, and characters, while Ulquiorra is from Bleach, a completely different anime universe. Fanfiction usually combines elements within the same or related universes more often. So it might be a very niche or even an odd and not - so - recognized concept in the broader fanfiction community.
Well, it could be that Ulquiorra is a magical being from a different dimension that gets drawn into the Harry Potter world. Orihime, being a kind - hearted character, might befriend him. They could then get involved in the typical Harry Potter plotlines, like dealing with dark wizards or ancient magical artifacts. Their relationship would add an interesting dynamic to the story, as Ulquiorra's cold personality and Orihime's warm one would create a contrast.
One thing Percy Jackson could like about Harry Potter fanfiction is the different types of friendships depicted. In his world, he has his group of demigod friends, but in Harry Potter, the friendships between the trio and others at Hogwarts have their own unique qualities. The fanfiction might also show different interpretations of how magic affects relationships, which could be thought - provoking for Percy. He may also be interested in the way the Harry Potter fanfiction authors handle the theme of destiny, as it is also a significant theme in his own story.