One common theme is the power dynamic. Since Thanos is so powerful, the fanfics often explore how the OC either challenges that power or is in awe of it. For example, in many stories, the OC might try to resist Thanos' tyrannical ways, creating a tense and interesting power struggle.
Redemption can also be a theme. Maybe the OC tries to bring out a different side of Thanos, a more humane or less tyrannical side. This often involves a complex relationship development between the two characters in the fanfiction.
Power is a common theme. Thanos is extremely powerful and Loki is always seeking more power, so fanfics often explore how they interact in terms of power - whether it's a power struggle or a shared pursuit of power.
A common theme is self - discovery. The OC often discovers new things about themselves through their interactions with Jasper. For example, they might find out they are braver or more empathetic than they thought.
Common themes in 'x oc pregnant fanfic' often revolve around the emotional aspect. The oc may experience a range of emotions from fear to joy. There can be a theme of protection, where 'x' becomes very protective of the oc and the unborn child. Social implications can also be a theme, like how the couple is perceived in their community or within their fandom. Additionally, there could be a theme of growth, both for the relationship between 'x' and the oc and for the individual characters as they step into new roles as parents - to - be.
One common theme is redemption. The OC might help Scorpion find a path towards redemption from his past deeds. Another theme is love. It could be a slow - burn love story between the two characters. And power, like the OC having some special power that either complements or challenges Scorpion's own powers.
One frequent theme in 'Obito x OC fanfic' is the exploration of power and how it affects relationships. The OC might have unique powers or abilities that interact with Obito's. For example, if the OC has a power related to time - travel, it can create an interesting dynamic with Obito's own powers. Also, the theme of loyalty is often explored. As Obito has had issues with loyalty in the original story, the fic might show how the OC helps him regain his sense of loyalty or how they are loyal to each other in difficult situations. It can be really engaging to see how these themes play out in different fics.
One common theme is friendship. Since Momonga is often in a new and strange world, having an OC as a friend can add a lot of depth to the story. Another theme is adventure. The OC usually joins Momonga on his various adventures in the new world.
Another theme is redemption. Sometimes Loki is in a state where he needs to redeem himself and the OC becomes a part of that journey. They help him see things in a new light and grow as a character. It makes for a very engaging read.
One common theme is the discovery of self. The OC often comes into Saiki's world and through their relationship, both characters learn more about themselves. Another theme is friendship. Despite Saiki's initial reluctance, a friendship forms which is central to many stories.
One common theme is the contrast in personalities. Shikamaru is often lazy - looking but highly intelligent, and the OC usually has a more energetic or different type of intelligence that creates an interesting dynamic. For example, in many fanfics, the OC might be impulsive while Shikamaru is more calculating.