"Of course only temporarily. It would take more damage than numbing someone's nerves to block chi permanently. I'm hardly an expert, of course, but that's what I understand of the practice." Azula glanced over at him, wondering why he was so surprised. She weighed it carefully, then smiled, and decided to drop a bomb on him, so to speak. "Did you know that there's a faction of firebenders that can do it simply with their mind? Personally, I prefer the hands on approach..."