Aang eventually finds other allies in Toph Beifong and the unlikely alliance with Zuko, the prince of the Fire Nation. He teams up with Southern Water Tribe members Sokka and Katara right away. Throughout the three-season story of Avatar: The Last Airbender, viewers saw Aang master all four types of bending to end the war. The animated series focused primarily on the story of Aang, a powerful airbender who awoke after being frozen for 100 years to discover the world was largely under the control of the Fire Nation. Here's a breakdown of every major family tree in Avatar: The Last Airbender and The Legend of Korra. The bending world of Avatar: The Last Airbender was first introduced to viewers in 2005.