reading ATLA fanfiction for the first time in ages

Recently, I'm going through a bit of an Avatar: The Last Airbender nostalgia phase. Usually, the interval between these individual phases is pretty long - I think my last ATLA phase was around three years ago. The "nostalgia surge" usually lasts for a week or two, and then I move on until the next wave hits. The trigger for this ATLA phase was the trailer for the new Avatar Aang movie. I had not…