Love and romance are common. Often, the vampire princess falls in love with a human or another supernatural being, creating a forbidden love story. For example, in many novels, the differences between their worlds make the relationship complicated.
Power struggles are also typical. There could be battles within the vampire clan for the throne or for power, and the vampire princess is in the middle of it. This can create a lot of drama and conflict in the story. Also, the theme of identity is prevalent as the vampire princess tries to figure out her place in the world of vampires and humans.
Power dynamics is another theme that frequently appears. Miyu being a vampire princess has her own set of powers, and Larva has his unique abilities as well. Fanfictions often play around with how they use their powers in relation to each other, whether it's in cooperation or in a bit of a power struggle at times. For instance, in some stories, they have to figure out who should take the lead in a dangerous situation based on their respective powers.
One common theme is the struggle for power. Since the pureblood princess is often in a position of high status, there are always those who want to use her or take her power. Another theme is love and sacrifice. She may have to sacrifice her own desires for the good of her kind or for the ones she loves.
One common theme is the clash of cultures. The vampire culture of the princess and the wizarding culture of Harry Potter's world often collide. This can lead to interesting situations where different magic systems and social norms interact.
In vampire space novels, a recurring theme is the search for a home. Since they are often outcasts or predators, they are constantly looking for a place where they can exist without persecution. Another theme is the evolution of vampires. In the space setting, they may evolve different abilities to cope with the new challenges. Also, the theme of secrecy is present. Vampires usually try to keep their existence a secret from other species in space to avoid being hunted or studied.
The power of faith is a huge theme. The Christian characters in these novels rely on their faith in God to combat the vampiric threats. Also, the idea of the soul is important. Vampires are often seen as soulless or having lost their souls, and this contrasts with the Christian concept of the soul's significance. And there is often a theme of sacrifice, where characters may sacrifice themselves in the name of good and in line with Christian values.
Love is a very common theme. In many supernatural vampire novels, there is often a romantic relationship between a human and a vampire, like in 'Twilight'.
Another theme is redemption. Sometimes, a vampire character may be on a journey to redeem themselves, especially if they have a human side or some sort of moral compass. This can be seen in how they interact with the human characters in the story. It's like they are trying to atone for their vampiric nature in a world full of cowboys and saloons.
Power dynamics is another theme. The vampire character usually has more power, physically and sometimes socially. This can create an interesting dynamic in the relationship as the human or non - vampire character has to navigate this inequality.
One common theme is the clash between the old, often superstitious beliefs of the Byzantine era and the reality of vampirism. For example, how the people in the story react to the presence of vampires in a society that has its own religious and cultural beliefs.