The Water Tribes were raided and driven to the brink of extinction. The Air Nomads were destroyed, the Air Temples ravished, and all airbender monks eradicated. A hundred years later, the Fire Nation is near final victory in its ruthless war of world domination. Just as the world needed the Avatar the most, he mysteriously vanished.

Then, the Fire Nation launched a war against the other three nations. Throughout the ages, the countless incarnations of the Avatar have served to keep the four nations in harmony. Starting with the mastery of his or her native element, the Avatar learns to bend all four elements. When the Avatar dies, it reincarnates into the next nation in the cycle. The Avatar is the spirit of the world manifested in human form. In each generation, only one bender is solely capable of controlling all four elements. Bending is a powerful form combining martial art and elemental magic. Within each nation, there is a remarkable order of men and women called the 'benders' who can learn to harness their inborn talent and manipulate their native element. Bending is a powerful form combining martial In a lost age, the world is divided into four nations: the Water Tribes, the Earth Kingdom, the Fire Nation, and the Air Nomads. Summary: In a lost age, the world is divided into four nations: the Water Tribes, the Earth Kingdom, the Fire Nation, and the Air Nomads.

Watch avatar the last airbender book 3 ep 13