A dungeon is a room or cell in which the prisoners were imprisoned in the underground. They are constructed with a single narrow room with a gateway of hole or hatch which is in the top or bottom of the room. Their actual purpose is to bring a common fear of punishment among the people for being trapped in a prison underground. It is also called as torture chambers where it is used to torture the prisoners. The area of the chamber is very narrow, dangerous and it is a very hard thing to stay alive in the room for many days where it is even tougher to just turn around.