Some demon types. The first cannot be reasoned with at all. it is all fury and smoke. It bends the air around it, pressure and shockwaves. the second demon might listen to you for a minute, if only to find out how to torture you more effectively. His skirt is leather made of souls, only the eyeholes are recognizeable, it is seamless.
The pit that forms the ninth circle of Hell. Traitors are frozen in a lake of ice called Cocytus. They enter this circle through the chest of Antaeus - a giant frozen into the firmament of the pit.
This rightmost image is inspired by the idea that Hell has fauna that predates the angels' fall. These industrious creatures work the billows in a smoky landscape.
A doorway. Escaping hell is not easy. This door doesn't go out anyways. It goes someplace bad, and it's not easy to get through the door. Sometimes anywhere else is better than where you are.
Various folks. Didn't shade them just took em close to final lines.
Concept artist and creature designer.