The story could focus on the character's struggle to fit into the strict hierarchy of the Fire Nation. As a prince, there would be high expectations, and they might have to deal with power - hungry nobles. They could also have to face the internal conflict of whether to follow the traditional path of Fire Nation aggression or strive for peace, like Zuko did in the original series.
Avatar: The Last Airbender is indeed an original story. It has its own distinct style and narrative that sets it apart. The combination of elements like bending powers, diverse characters, and complex story arcs make it a one-of-a-kind creation.
Definitely not real. It's a fantasy world crafted with unique characters and magical elements that exist only in the realm of imagination and storytelling.