One unique element is the power set. As a celestial spirit, Harry has powers that are distinct from his wizarding powers. These powers are often related to the celestial realm, like the ability to control celestial forces or communicate with celestial beings in ways that wizards can't.
The setting is also different. Instead of just Hogwarts and the wizarding world, the fanfiction often incorporates the celestial spirit world. This world has its own rules, hierarchies, and cultures. For instance, there might be different types of celestial spirits with their own characteristics and abilities. Harry has to learn about and adapt to this new world, which makes for an interesting read. Moreover, his relationships with other characters are redefined. His friends may have to view him in a new light, and he may form new alliances within the celestial spirit community.
It could be a spirit named Orion. Orion could be a powerful celestial spirit that has been watching over Harry since he was a baby. He could be the one to finally reveal to Harry his true nature as a being connected to the celestial spirits.
Some fanfictions might have a contract where the Celestial Spirit and the wizard can merge their forms. So instead of just summoning the spirit, the wizard becomes part - spirit and gains enhanced abilities.
Well, perhaps Harry could discover he has the power to commune with celestial spirits. Maybe he meets a celestial spirit guide early on at Hogwarts that helps him understand his true destiny which is intertwined with the celestial realm.
The unique aspect could be the power - up Naruto gets. As a celestial spirit, he might have access to otherworldly powers that are different from his normal ninja skills. For example, he could have the ability to teleport between celestial realms, which would add a whole new dimension to his adventures.
One possible scenario could be that Harry discovers a new magical ability to summon celestial spirits. Maybe he stumbles upon an ancient spellbook in the Room of Requirement. He attempts the spell, and a celestial spirit appears. This spirit could be a guide for him, helping him in his fight against Voldemort, like giving him special insights or powers.
Perhaps Harry summons a celestial spirit during a moment of great danger. The spirit could be a source of great power, allowing Harry to defeat his enemies easily. For instance, if he was surrounded by Death Eaters, the celestial spirit could emit a blinding light that incapacitates them.
Well, I've heard of a fanfic called 'Harry's Celestial Adventure'. In this story, Harry is reimagined as a celestial spirit. It's really exciting as it shows Harry using his new celestial powers in ways that are different from his normal wizarding abilities. He has to adapt to a whole new set of rules and relationships within the celestial spirit realm.
One unique element is the combination of different fictional worlds. Bella comes from a world of vampires and werewolves, while Harry is from the wizarding world. This clash of magic systems and cultures can create really interesting storylines.
A major unique element is the exploration of the moral and ethical implications of being a vampire in the Harry Potter universe. In regular vampire stories, there are certain rules and taboos. But in this fanfiction genre, we see how those play out in a world that already has its own set of magical laws and ethics. For instance, how does the wizarding community react to a vampire among them? Do they treat Harry differently? And how does Harry himself deal with the thirst for blood while still adhering to the values he was taught at Hogwarts?
Another unique element is how the cat can influence the plot. In some fanfictions, the cat might lead Harry to discover hidden passages or secrets in Hogwarts. It's like the cat has its own agenda and it drags Harry along, which gives a whole new perspective to the story. In a way, it can add an element of unpredictability and whimsy to the narrative. Since cats are often seen as independent and a bit mysterious in real life, this is translated into the fanfiction world in really interesting ways. For instance, a cat might be the key to solving a complex magical riddle that Harry is facing, but it only reveals the solution when it wants to, making the story more engaging.