"I know you would never use black magic for any reason other than protecting people," Kaya said. "I understand at least that much. But I also know magic, as it is, is a powerful thing. It has its own laws, much like my bending or gaining a bit of strength that makes one's power almost unfathomable: there is always a balance. If you should ever reach yours, and I have a feeling you'll know, tell us. There is nothing we would not do for you, you know that."