One common theme is the struggle for control. When a character is possessed, there's always a fight between the possessor and the possessed for dominance over the body. Another theme is the effect on relationships. Friends and allies of the possessed character have to deal with the changed behavior and try to save them.
One common theme is the struggle for control. When a character is possessed, they often fight to regain dominance over their own body and mind. Another theme is the exploration of power. Possession can bring new, often dangerous, powers that the character has to learn to deal with.
Power struggle is a common theme. When a character is possessed, they often have to struggle with the new power that comes with the possession. For example, if Naruto is possessed by a powerful entity, he may find it hard to control the sudden influx of strength. Another theme is identity. The possession can change who the character is, and they have to figure out if they are still themselves or something else. Also, there is the theme of conflict. Possession can lead to conflict with other characters who may see the possessed character as a threat or something unnatural.
One common theme could be the struggle between the possessor and the possessed. The character with black eyes might represent an otherworldly or dark force taking over someone's body or mind.
One common theme could be the struggle between the possessed character's normal self and the demonic influence, especially in the context of a gay relationship. For example, how the possession affects the relationship dynamics, like causing misunderstandings or testing the loyalty of the partners.
One common theme is the exploration of Tukson's true nature. Since he was not fully developed in the original RWBY, fanfics often dig deeper into who he really was. Another theme is his relationship with the other characters in the RWBY world, whether it's friendship, rivalry, or something else.
One common theme is family. Since Weiss and Winter are sisters, a lot of fanfics explore their family dynamic, like how they support or misunderstand each other.
A common theme is power struggle. Lucifer, being a powerful figure, often gets into power - related conflicts with the RWBY characters who also possess various forms of power.
One common theme is identity. Since Neo has a rather mysterious past, many fanfics explore who she really is. Another is revenge. Given her actions in the RWBY series, some fanfics have her seeking revenge or others seeking revenge on her.
One common theme is the distortion of the familiar RWBY settings. For example, Beacon Academy, which is usually a place of learning and growth, can be turned into a haunted and dangerous place. Another theme is the corruption of the characters' powers. Their abilities might be twisted in a way that becomes a source of horror rather than strength. And the threat of the unknown, like strange creatures or forces emerging from the uncharted parts of Remnant.
Growth and development is another theme. Fans like to write about how both characters grow, not just as individuals but also in their relationship. They might show Jaune becoming a stronger fighter and leader, inspired by his love for Pyrrha.