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.
Not necessarily. The determination of whether it's the last depends on various factors like the demand from fans and the creative direction of the comic's producers. For now, we can't say for sure that it's the final one.
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.