Hell

Hell, also called Downstairs, Hades, The Pit, or even The Underworld, is the spiritual realm for punishment and pain of the afterlife. Human   souls who are sent to Hell are tormented until their humanity is stripped away and they become Demons. Hell is said to be so terrible that even the demons, are afraid of it.

Describtion and Apperance
Its a prison for evil souls after they die they are tormented until they die brought back to life and again but after an unknown amount of torture in hell that person becomes a demon himself.

Residents

 * Ruler of hell-Lucifer
 * Demons
 * evil souls.
 * Arch Demons-Second in command.

Hierachy
If you think about it hells hierachy is like a militiary base.
 * Lucifer the ruler of hell.(Lucifer has never ben to earth)
 * Mammon the second in command.
 * Trigon the first knight  of hell and leader of hells army's.
 * Neron the legendary deal making demon has a demon V.I.P.