It could also be that the lack of such explicit content in the official story makes fans create their own versions. They want to see different sides of Rayla and Callum's relationship, and the 'lemon' fanfiction allows them to do that. Additionally, the creativity of the fanfic authors in developing these stories adds to their appeal.
A great Rayla x Callum fanfic often has well - developed characters. It should stay true to their personalities as seen in the original work. For example, Rayla's loyalty and Callum's determination should be evident in the story.
Another place could be FanFiction.net. However, the tagging system there might not be as precise as AO3. But it still has a large collection of fanfictions. You may need to do some more digging around to find the ones related to Rayla and Callum with the 'lemon' aspect. You can try searching for relevant keywords in the story summaries.
One popular trope is the 'enemies to lovers' arc. Since they might start off with some differences or even be on opposite sides initially, seeing their relationship develop from that is appealing. Another is the 'hurt/comfort' trope, where one of them gets injured or is in a tough situation and the other helps them out and their bond deepens.
You can start by looking on Archive of Our Own (AO3). It has a large collection of fanfics, and you're likely to find many 'Callum x Rayla' ones there. Just use the search function and type in the relevant tags.
One great 'Callum x Rayla fanfic' is 'Bond of Magic'. It delves deep into their relationship as they face new magical challenges together. The story beautifully captures their growing bond and how they support each other through tough times.
In many fanfics, Rayla and Callum's relationship is a central aspect. Writers may take their friendship to new levels, like delving deeper into their emotional connection. For example, a fanfic could show how they communicate their feelings more openly, which might not be as fully explored in the official story. This can add new dimensions to their characters.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). There are tons of great Callum x Rayla fanfictions there. Just use the search function and type in 'Callum x Rayla'. Another option is FanFiction.net, although the quality can vary more on that site.
One popular theme is their relationship growth. Fans love to explore how their bond deepens over time, from initial mistrust to a strong connection. For example, there might be fics that focus on how they support each other during difficult quests.
One popular trope is the 'enemies to lovers' kind of story. Since they start off with some differences and mistrust, it's easy to build a story around them growing closer and falling in love. Another is the 'hurt/comfort' trope, where one of them gets injured or is in emotional distress and the other is there to support and heal them.