Power and politics are often common themes. Given the nature of the character in the context, fics might explore how Charles zi Britannia wields power and deals with political intrigue.
The theme of redemption can also be present in 'Charles zi Britannia fanfic'. Maybe the character has made some mistakes in the original story, and the fanfic could be about his journey to redeem himself. Or it could be about his struggle between good and evil. The exploration of his character's moral compass and how it affects his actions and decisions can be an interesting aspect of these fanfics. There might also be themes related to the future of the world or realm he is in, such as his role in shaping it or preventing its destruction.
Well, you can try looking on some fanfiction websites like Archive of Our Own. There are often many fanfics related to different characters and universes there.
One common theme is identity. The OC often has to figure out who they are in the context of Britannia. Another is love and relationships, as the title 'Marry Britannia' might suggest. Social inequality is also a frequent theme, as the OC usually has to navigate the hierarchical Britannian society.
Power struggles are quite common. Since it involves a prince, there are often themes of vying for the throne or influence within the britannia realm. Another common theme is identity, especially for original characters as they try to find their place in this complex world.
One common theme is alternate universes. Writers like to explore what would happen if certain events in the original series had gone differently. For example, what if Lelouch had made different choices during his battles or negotiations.
One common theme is romance. Fans often explore the relationship between the characters in different ways, such as how they fall in love, deal with relationship problems, etc. Another theme could be adventure, where charles and bughead go on some exciting adventures together, solving mysteries or facing challenges.
Love and romance can also be a theme, though not always. In some fanfics, their relationship blossoms into something more than just friendship. This could be a slow - burn type of romance where they gradually realize their feelings for each other through different events and experiences.
One major theme is the behind - the - scenes relationship. In the fics, it might show how they interact when the cameras are off, like in the paddock or during team meetings. There could be a lot of drama and tension in these situations. Also, some fics might have the theme of growth. They both grow as individuals and as competitors, and this growth can be a central part of the story in the fanfic.
Often, you'll find themes like redemption in Charles and Erik fanfic. Maybe Erik has to find his way back from a dark path, and Charles is there to guide him. Also, the theme of loyalty comes up a lot. Despite their differences, they have a deep loyalty to each other in many of these stories. And there's the theme of sacrifice too. They might be willing to sacrifice their own beliefs or even their safety for the other.
A common theme is his vision for a future where mutants and humans coexist peacefully. In 'Xavier's Dream of Harmony', this is the central focus. His connection to the minds of others is also explored. For instance, in 'The Mind of Xavier', it shows how he uses his telepathic abilities in different ways. And his past traumas and how they shape his present actions are themes in fanfics like 'Charles Xavier: Shaped by the Past'.
One common theme might be their design philosophy. Fanfic could explore how their unique design ideas influenced different projects or how they came up with those ideas in the first place.