Zaheer's prison

Zaheer's Prison was a on person cell atop a ledge in tho mountains in the air nation. To ensure the Zaheer dous not escape the Order of the white Lotus make the prisoner stand aganst the wall while they give him food and other then the time the give him food their is no light in the prison cause the doors are locked and can only be opend by metal bending.

History
Two weeks after Harmonic Convergence, Zaheer discovered he had become an airbender. Taking advantage of his newfound power, he managed to escape from his prison and leaving his Order of the White Lotus guards inside with relative ease. He then declared that the time of the White Lotus and the Avatar was over.[1]