When I was watching Avatar the first time, I was probably in middle school or high school, and I remember getting into it just for the bending. Each form of bending is based on a different form of Chinese martial art, and because my family is from Taiwan and I grew up in a household where we watched Jet Li movies just as often as any Western action movies, the idea of martial arts giving the martial artist control of the four elements was extremely compelling to me. Upon rewatch, though, I realized that as a kid, I somehow missed a lot of the diversity of the Avatar universe. Though bending is such a physical act, the Avatar universe also went out of its way to showcase many characters with physical disabilities and mental trauma.
Spoilers for all of Avatar: The Last Airbender and The Legend of Korra after the jump.