Hell

Hell is the location that devils return to after they die on Earth. The embodiment of the fear of Hell is the Hell Devil.

Overview
One portion of Hell appears to be a grassy, flowery field with hills, with countless doors parallel in the sky. It is unknown whether there is more to Hell beyond this area that has not been seen.

Inhabitants

 * Darkness Devil

History
Not much is known about Hell, except that Devils are born there, and return to it when they are die on Earth.

International Assassins arc
Santa Claus sacrifies his own life to the Hell Devil to forcibly take everybody inside of a department store to Hell.