Are guns canon in Avatar: The Last Airbender? Why yes, they are, but you'll never get to see them used on screen. This weapon is exclusive to Avatar Legends, and there’s a surprisingly good reason why. Today we're looking at the worldbuilding of Avatar and The Legend of Korra. To understand the technological advancements of the Four Nations, we’re gonna look at real-world history. The Industrial Revolution, the Roman Empire, steam, coal, and hand cannons; we've got a lot to cover!