And apart from the key figures, there was a tremendous and memorable Solid of supporting roles like Iroh, Bumi, and Azula. Except for characters, the universe they created was so expansive and thorough that the makers applied exactly the same universe for their spin-off collection, The Legend of Korra. About https://www.diigo.com/item/note/b80do/s3w6?k=f5d28acf14765ea212facd13ae5502d3