This sound is from Avatar: The Legend Of Korra Soundboard

The Legend of Korra was created by Michael Dante DiMartino and Bryan Konietzko for Nickelodeon. The series follows Avatar Korra, the successor and reincarnation of Aang from the previous series. The main characters are voiced by Janet Varney, Seychelle Gabriel, David Faustino, P. J.
See also: Korra, The Legend of Korra (season 1), Tenzin (The Legend of Korra), The Legend of Korra (comics), List of Avatar: The Last Airbender characters, and List of The Legend of Korra episodes.