Redemption is also a theme. Mercury, having been part of some not - so - good deeds in his past, might find redemption through his relationship with emerald. It's about changing for the better because of someone you care about. This is shown in many fanfictions where he tries to make up for his past actions.
A common theme is friendship. Many fanfics explore how Mercury and Emerald can become friends despite their differences. Another theme is loyalty. They might show how they are loyal to each other in difficult situations.
Another theme is growth. Many fanfics show how Mercury and Emerald grow both as individuals and in their relationship. They might face challenges that force them to change and adapt, which is a key part of these stories. For example, they could be in a situation where they have to question their previous beliefs and actions. This theme of growth adds depth to their characters and the story as a whole.
One common theme is loyalty. In many fanfictions, Emerald and Mercury are shown to be extremely loyal to each other and to their cause, whatever it may be in the story. Another theme is redemption. Some fanfictions explore the idea of them trying to redeem themselves for their past actions.
There's 'Mercury and Emerald: A Different Path'. This fanfic takes a unique approach by exploring what would happen if they decided to break away from their original group. It's an interesting read as it shows their growth as individuals and as a duo.
The RWBY universe itself is full of mystery and action. Fanfiction about Mercury and Emerald can add more depth to their characters and their place in this universe. It can also create new storylines that might not be explored in the main series, which is very appealing to fans.
There might be a fanfiction where Emerald and Mercury are forced to team up with some unlikely allies. This would create a lot of interesting dynamics as they have to adapt to new ways of working and new personalities. Maybe they start to see things from different perspectives and it changes their relationship for the better.
In many Ruby x Mercury fanfictions, the theme of secrecy and forbidden love often pops up. Given their different backgrounds and allegiances in the original story (assuming there are such elements), their relationship might be frowned upon. So, the authors play with this idea of them having to hide their feelings for each other. And of course, there are those stories that focus on character growth for both of them as a result of their relationship, like Ruby becoming more assertive and Mercury becoming more empathetic.
One common theme is friendship. Their relationship often starts as comrades and develops into a deep friendship. Another theme is growth. They help each other grow as individuals, like Emerald learning from Ruby's positive attitude.
In Emerald x Lars fanfiction, one often - seen theme is the idea of redemption. Maybe Lars has to prove himself to Emerald or vice versa. There's also the theme of mutual support. They might be in situations where they are the only ones who can support each other. Additionally, a theme of adventure can be present, where they embark on some kind of journey together, which helps to strengthen their relationship and develop their characters further.
There's a fanfiction where mercury and emerald are on a mission together. In this story, their teamwork gradually turns into a deeper connection. It shows how they come to rely on each other and develop feelings over time. It's quite engaging as it combines action and their growing relationship.