The theme of self - discovery is quite prevalent. As a vampire, Harry discovers new aspects of himself, such as enhanced senses and abilities. He also has to face the moral implications of being a vampire. For instance, does he need to drink blood? And if so, how does he obtain it in a way that aligns with his values? These are all questions that are explored in many 'Harry is a powerful vampire' fanfictions.
A theme that often appears is the relationship with others. His friends might be scared of him at first, or he might be drawn to other vampires. There's also the theme of secrecy. He has to keep his vampire nature a secret from most of the wizarding world. This creates a lot of tension in the stories. In some fanfictions, Harry might have to deal with vampire hunters within the wizarding community as well.
One common theme is the struggle with identity. Harry has to figure out who he is now that he's a vampire. Another theme is power. Since he's a powerful vampire, he has to learn how to control his new powers. For example, in many fanfictions, he might accidentally use his vampire strength and cause harm.
The theme of redemption can also be found. Harry might have to atone for the 'darker' aspects of his vampire nature. Additionally, there are often themes related to loyalty, as his friends might be divided on whether to support him in his new role or be wary of the potential danger he poses.
One common theme is the struggle for acceptance. The vampire character often has to deal with being an outcast in the wizarding world, much like how some magical creatures are treated in the original series. Another theme is power and its corrupting influence. Vampires are typically associated with certain powers, and the fanfictions may explore how these powers can be used for good or evil.
One common theme is the clash between the magical and the supernatural. In these fanfictions, the magic of the Harry Potter world meets the vampiric lore. Another theme is the idea of the hero's journey. The characters, often inspired by Harry Potter's own journey, embark on a path to fight the vampires, facing numerous obstacles along the way.
One common theme is power. How Harry's new status as a Vampire King gives him different kinds of power, both in the vampire world and in relation to the wizarding world. Another is identity, as he has to figure out who he is now that he's part vampire.
One common theme is the clash of two different worlds - the wizarding world and the vampire world. Another could be the idea of forbidden love, as vampires are often seen as outsiders in the Harry Potter universe. Also, power dynamics are often explored, like who is more powerful between a powerful wizard and a female vampire.
One common theme is self - discovery. Harry often has to figure out the extent of his new powers and how to control them. For example, in many fanfictions, he discovers he can access ancient magic that was previously unknown to him.
One common theme is the clash of cultures. Naruto's ninja world and the vampire lore have different rules and values. Another is the power dynamics, as Naruto might have his own power set while the vampires have theirs. And of course, there's always the romance theme within the harem.
One common theme is the struggle with her new identity. As a vampire, Pyrrha has to deal with changes in her nature, like the urge for blood. Another theme is her relationship with the other RWBY characters. Some fanfictions show how they react to her new state, whether it's fear or acceptance.
Love and acceptance are common themes. Harry has to accept his mate's vampiric nature, and she has to fit into his world. It's about two different beings coming together.
One common theme is the struggle with identity. Harry has to figure out who he is now as a vampire. Another theme is the changed relationships. His friends might be scared or distrustful of him at first. And there's often the theme of power. His vampire powers can be a great asset but also a danger.