The appeal lies in the contrast between their characters. Sokka, the witty and strategic non - bender, and Zuko, the brooding and powerful firebender. Their interactions can be both intense and humorous.
One popular 'Sokka x Zuko' fanfic is 'The Art of Stealth'. It delves into their relationship as they team up on various adventures in the Avatar world. It has great character development and some really interesting plot twists.
Fanfiction.net is also a good place to look. There are many writers who create stories based on different fandoms. However, the quality can vary. Browse through the Avatar: The Last Airbender section and search for Sokka x Ty Lee specifically. You might need to sift through a few pages to find the ones that interest you.
A 'fish out of water' trope can be applied too. For instance, if Ty Lee visits the Water Tribe with Sokka, she might be out of her element, and Sokka has to help her adjust. This creates situations for character growth and relationship development, and it's a trope that many Sokka x Ty Lee fanfiction writers like to explore.
Avatar: The Last Airbender is indeed an original story. It has its own distinct style and narrative that sets it apart. The combination of elements like bending powers, diverse characters, and complex story arcs make it a one-of-a-kind creation.