There could also be the 'protective - partner' trope. For instance, either Sonja or Christopher might find themselves in a dangerous situation, and the other steps up to protect them. This trope plays on their loyalty and friendship, and in some cases, can be a precursor to a deeper relationship.
A common theme could be camaraderie. Given their work together, many fanfictions might show how they build a strong bond through shared experiences on the job.
One place to start looking for Christopher Lasalle and Sonja Percy fanfiction is on fanfiction.net. There are often many stories created by fans that explore different relationships and scenarios between the two characters.
You can try looking on fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. These platforms usually have a wide variety of fan - created stories, including ones about Sonja Percy and Christopher Lasalle.
I'm not sure specifically which 'Christopher Lasalle' you're referring to. There could be many people with that name. It could be a local hero in a certain community with his top stories being about his acts of kindness, like helping the poor or volunteering at local shelters. Or perhaps it's a character from a TV show or book, in which case the top stories would be related to the plotlines he's involved in.
One great 'lasalle and percy fanfiction' could be the one where they go on an adventure together in a post - apocalyptic world. It really shows their friendship and how they rely on each other in tough situations.
The 'hurt/comfort' trope is quite common. For example, Percy gets injured in a battle, and Reyna is the one to take care of him, which deepens their bond. There's also the 'time - travel' trope. Writers might send Percy back in time to meet a younger Reyna, or vice versa, and this changes the course of their relationship in an unexpected way. And then there's the 'secret relationship' trope, where they have to keep their feelings for each other hidden from others in the camp.
Adventure is also a popular theme. Many fanfictions take Percy and Lasalle on exciting adventures, whether it's chasing down a criminal in a new and dangerous part of the city or going on a mission that takes them out of their comfort zone. These adventures not only test their skills but also strengthen their bond.
The 'Power - up' trope is also quite common. Fans like to write about Percy getting new powers or strengthening his existing ones. It gives a sense of growth and development. There's also the 'Alternate Universe' trope, where the story is set in a completely different world from the original Percy Jackson universe, like a modern - day high school setting but with the demigod elements.
Well, a popular trope is the 'soulmate' idea in Percy Annabeth Lemon fanfiction. Since they are often seen as a powerful couple in the original stories, in fanfiction this can be enhanced with 'lemon' elements as they explore their deep connection on a more physical level. Another trope is the 'dangerous situation' trope. When they are in a life - threatening situation and then find comfort and passion in each other afterwards, leading to 'lemon' - like scenes. And the 'power couple' trope where their combined powers and status as a couple are shown through 'lemon' - ish moments of them being together in a strong and passionate way.
The 'hurt/comfort' trope is also common. Maybe Percy gets injured during a battle and Jason has to take care of him. This trope allows for a lot of emotional and physical closeness between the two characters, which can develop their relationship further. It can also show a more vulnerable side of their personalities.