[Honestly she's from horrible canon point, where people are making her almost wish that she didn't have those powers and the world doesn't need her anymore...

BUT SHE'S GONNA BE TOTALLY COOL ABOUT THIS IN FRONT OF A KID AND NOT BRING THE SAD PART OF IT UP, SO]

I have water powers. I also have fire powers. And I have earth powers and air powers too, because I was born as the Avatar of my generation. That's our term for the person, who can master all of those powers and not just one of them like other benders.