Place where demons live. Its like a creature crawling at night to eat their prey. If your strong enough to beet them then remember what they always say 'once you discover, your life is in disaster'. If you're curious about that place and about their history, would your curiosity can help you in life vs. death? What if someone discover this place? Is she/he can go out live or dead? If someone discover those place and she/he go out without any harm then that's mean your going to die in a brutal way. Then if you want to follow your curiosity and you didn't came back then that means believe in the word that 'curiosity can kill'.