This portal to the world of death allows demons to enter our world.
Demonsheads appear from the Mirror of Camirror.
The Goblin is the tough guy. He walks around punching stuff and breaking stones.
Saramandor will move forward, breaking any Brownstones in his path. If you get too close he will change direction to attack you.
Often produces a Fairie when dropped, or a Bell when shot with a Fireball.
Unless you are careful there are rooms that use devices that will ruin you. This is when you drop down into a figure that you cannot get out of, either by placing a stone somewhere you shouldn't, or by not removing a stone.