Set in the world of Avatar: The Last Airbender, but a few decades before the Hundred Year War broke out. This is during Roku's days as the Avatar, while he was in his early 20s.
Located around what is considered the North Pole. A large, fortified city made purely of ice. It is rumored that the heart of the city protects the moon and ocean spirits.
Strangest of the air temples in that it is located underneath the cliff side upside down. Located north of the Fire Nation. Exclusively houses female airbenders.