The last airbender - Avatar: The Last Airbender (comics series)

While Aang and his friends believed that they could delay confronting the Fire Lord until after Sozin's Comet as Ba Sing Se had already fallen, they realized that they had to battle the Fire Nation imminently when Zuko revealed his father's plan to annihilate the Earth Kingdom.

But, there is a bright side….

The first season's success prompted Nickelodeon to order second and third seasons.

Have Katara's worst fears been confirmed? In the second season of the show, she leaves her wealthy family and comfortable home to join Aang on his quest, with a plan to teach him Earthbending.