In the 'Avatar: The Last Airbender' series, there are no real love stories between Azula and Aang. Azula is a complex antagonist, while Aang is the heroic Avatar. Their relationship is mainly one of opposition, with Azula constantly trying to thwart Aang's mission to save the world.
One interesting aspect is her use of fear. Azula is able to instill fear in her opponents and those she wants to control. For example, when she faced the Earth Kingdom soldiers, her presence alone made them hesitate. Another aspect is her manipulation of family bonds. She tried to use Zuko's insecurities and his relationship with their father to get him to side with her. Also, her strategic mind allowed her to control situations. She could anticipate the moves of her enemies and use that knowledge to her advantage in terms of influencing the outcome and those around her.
Well, without having read it specifically, I can only guess. But generally in the Airbender world, it's a place full of elemental powers. So this novel might tell the story of the last airbender's struggle. It could be about their fight against the forces that are disrupting the balance in the world. They might be on a quest to find other airbenders who might still be alive, or to master all the airbending skills to become a true savior of their world.
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.