Some common themes in Highschool DxD OC Satan fanfiction are self - discovery. The OC, being a Satan figure, has to understand their own place in the world and what it means to be a Satan. There's also the theme of loyalty. They may have to decide where their loyalty lies, whether it's with their Satanic heritage or with the new friends and allies they make in the Highschool DxD world. Additionally, the theme of destiny often plays a role. Is the OC Satan fated to follow the traditional path of a Satan, or can they break free and create their own destiny?
Well, in Highschool DxD OC Satan fanfiction, identity crisis is a theme. The OC Satan has to figure out who they are in the context of the existing Satanic hierarchy in the series. Also, friendship can be a theme. They might form unexpected friendships with the main characters of Highschool DxD. This can lead to situations where the OC Satan has to choose between their own kind and their new friends. Another theme is the exploration of different powers. The OC Satan could have unique abilities that are explored throughout the story, and how they use these powers for good or bad is often part of the plot.
Power is a common theme. Villain ocs often seek power in these fanfictions, whether it's magical power or influence over others. They strive to become more powerful than the main characters in the High School DxD world.
One common theme is self - discovery. The human OCs often find themselves in a new and strange world of devils and other creatures, and they have to figure out who they are in this context. For example, they might discover hidden powers or a new purpose in life.
Power struggles are common. Since vampires are often depicted as powerful beings, in Highschool DxD oc vampire fanfiction, they usually have to deal with other powerful characters. For example, they might have to face off against devils or angels.
Some common themes include mystery. Fanfictions may involve the OC trying to uncover secrets about Astaroth or the world they inhabit. Another is the theme of friendship. The OC could form a deep friendship with Astaroth, which then shapes their actions and decisions. And there's the theme of survival. In the dangerous world of Highschool DxD, the OC might have to fight for their survival, especially when associated with a powerful being like Astaroth.
Often, there's a theme of challenging the status quo that Rias represents. In the original, she has a certain position and set of relationships. Fanfictions might bash her to create a new narrative where the OC can break free from the typical Rias - centric storylines. For example, if Rias is seen as too controlling in the original, the fanfic could have the OC resist her authority and form new alliances or ways of doing things.
One common theme is self - discovery. The OC often has to figure out their place in the Highschool DxD world, especially in relation to Rossweisse. They learn about their own powers and personalities through their interactions.
One common theme is the struggle for acceptance. The disabled oc often has to face the challenges of being different in a world full of supernatural beings. Another theme could be self - discovery, as the character figures out their place in the Highschool DxD universe.
One common theme is power struggles. Since the Bael family is known for its power in the Highschool DxD universe, fanfictions often explore how different OCs within the Bael family vie for more power, whether it's political power within the devil society or more magical and combat - related power. Another theme is loyalty. OCs might have to decide where their loyalties lie, whether it's with their family, a particular faction, or a group of friends.
One common theme is the struggle of the OC fallen angel between good and evil. They often have to decide whether to follow their darker fallen angel nature or strive for redemption. Another theme can be their relationships with the other characters in the Highschool DxD universe, like forming alliances or rivalries with devils, angels, and other supernatural beings.
One common theme is power -ups. Many fanfictions explore the characters getting new powers or enhancing their existing ones. For example, Issei might gain a new form of his Boosted Gear.