"Yeah, it's limited," Zuko says grudgingly, not because she hates to admit it but because she hates that it's true. "Doesn't feel right, when it's always been a part of me."

She may not have been born the prodigy her sister was, and she may have been forced to hide the ability before, but being a firebender is still an important part of her identity. Having to ration it, using it only for brief windows each day, it leaves her feeling unbalanced.