Avatar The Last Airbender

Avatar: The Last Airbender takes place in a fantasy world, home to humans, fantastic animals, and supernatural spirits. Human civilization is divided into four nations—the Water Tribes, the Earth Kingdom, the Air Nomads, and the Fire Nation. Within each nation exists an order called "Benders" who have the ability to manipulate their native element. These Bending arts combine a certain style of martial arts and elemental mysticism. The Bending types are Waterbending, Earthbending, Firebending, and Airbending.

In each generation of the show's internal universe, one person is capable of Bending all four elements; this being is referred to in the show as the Avatar, the spirit of the planet manifested in human form. When the current Avatar dies, they are reincarnated into a baby native in the next of the four nations in the Avatar Cycle, which parallels the seasons: winter for water, spring for earth, summer for fire, and autumn for air. While legend holds that the Avatar must master the elements in order, starting with their native element, this can sometimes be compromised when the situation requires it. Learning to bend the element opposite one's native element is extremely difficult because opposing Bending arts are based on opposing fighting styles and disciplines. Firebending and Waterbending are opposites, as are Earthbending and Airbending.

The Avatar also possesses a unique power that resides within them, called the Avatar State. This is a defence mechanism that empowers the Avatar with the knowledge and abilities of all the past Avatars. When an Avatar enters the Avatar state, their eyes and tattoos begin to glow. If an Avatar is killed in the Avatar State, then the reincarnation cycle will be broken, and the Avatar cycle will end.

Through the ages, countless incarnations of the Avatar have served to keep the four nations in harmony and maintain world order. The Avatar also serves as the bridge between the physical world and the Spirit World.

There are many Character in Avatar The Last Airbender :

1. Aang is 12 years old. He is the current incarnation of the Avatar, the spirit of the planet manifested in human form. As the Avatar, Aang must master all four elements to bring peace to the world and balance to the four Nations. Aang openly admits that he would rather be searching for adventure and making new friends than saving the world.

2. Katara is a 14 year old Waterbender of the Southern Water Tribe. Katara discovers and frees Aang, and with her older brother Sokka, accompanies him on his quest to defeat the Fire Lord and bring peace to the war-torn nations

3. Sokka is a 15-year-old warrior of the Southern Water Tribe who, with his younger sister Katara, accompanies Aang on his quest to defeat the Fire Lord. The joker of the group. Unlike his companions, Sokka cannot bend an element.

4. Toph is a 12-year-old, blind Earthbender who leaves her wealthy family and home to join Aang on his quest in order to teach him earthbending. Though blind, Toph "sees" with Earthbending, feeling vibrations in the ground through the soles of her feet.

5. Zuko is the exiled 16-year-old prince of the Fire Nation and original primary antagonist of the series. Zuko was obsessed with capturing the Avatar in his quest to restore his honor and redeem himself in the eyes of his father, Fire Lord Ozai, who deems him a complete failure.

6. Azula is the 14 year-old-princess of the Fire Nation, Zuko's younger sister, and one of the major antagonists of the series. Cruel and self-centered since her early youth, Azula is manipulative, sadistic and a self-admitted monster.

7. Iroh is a retired Fire Nation general and Prince Zuko's uncle. Iroh is the older brother of Fire Lord Ozai and was the original heir to the throne of the Fire Nation. A powerful Firebender of great renown and respect (he is known as the Dragon of the West)