One common theme is loyalty. Since they are partners in their line of work, many fanfictions explore how their loyalty to each other extends beyond just the job and into a more personal relationship.
Sure. You can check out Archive of Our Own (AO3). There are a lot of fanfictions there about Eggsy Unwin and Merlin. Just search for their names in the slash relationship category, and you'll find many great works written by fans.
One popular theme is their partnership as agents. Their teamwork and how they complement each other during missions is often explored. Another theme is their friendship, like how they support each other through tough times. Also, their growth as individuals within the Kingsman organization can be a theme, showing how they develop their skills and personalities over time.
Friendship is also a big theme. Writers often explore the deep bond between Merlin and Eggsy. They might write about how they support each other through tough times, or how their friendship started and grew over time. It could be as simple as a story about them having a day off and just hanging out together, sharing stories and jokes.
One popular 'child services eggsy fanfic' might be 'Eggsy's New Beginnings in Child Services'. It could focus on Eggsy's journey within the child services system, perhaps showing his growth and how he overcomes challenges. Another could be 'Eggsy and the Child Services Mystery', where he gets involved in solving a mystery related to child services.
Fanfiction.net is also a good place to look. There are many different categories and tags. You might need to dig a bit deeper sometimes, but if you search specifically for eggsy merlin, you should be able to find some interesting fanfictions. Some are well - written with detailed characterizations.
One great eggsy merlin fanfiction is 'The Unlikely Bond'. It beautifully explores the friendship between the two characters in a new and exciting adventure setting. They face a mysterious villain together and their unique skills complement each other throughout the story.
The theme of sacrifice also appears sometimes. Given the nature of their work in Kingsman, there could be scenarios where one of them is willing to sacrifice for the other, which adds depth and drama to the relationship in the fanfiction.
Some 'child eggsy fanfic' might explore Eggsy's friendship with other kids in his neighborhood when he was young. They could get into all sorts of innocent mischief together, like exploring an abandoned building or trying to build a treehouse. These stories often add a touch of nostalgia and show a more relatable side of Eggsy before he became a full - fledged hero.
The relationships Eggsy forms within the child services setting. He might interact with other workers, and these relationships can add depth to the story. Also, his interactions with the children can be really heartwarming or intense, like when he has to protect them from some sort of danger.