Horror of the Black dragon

In a dark, grayish world of Hell, you could see many types of creatures, from monsters in human forms to crawling bugs with human face. Each and every of them had one thing in common; the plain and lifeless eyes which could scare the shit out of every mordern humans. This story is about the Black dragon, the Demon king of the Hell, which mysteriously came to Human world. Will he chill or kill them? To find out, watch out!