I think this is it.....mist, ambient noises, darkness....add a disembodied voice and you've got yourself more cliches than Tuesday night on the SciFi Channel.
"You have entered the Lair of the Dark One!"
"Many have tried to make the journey here and many have failed. This is sacred ground and only the bold can proceed!"
Should I mention I just boldly took a whizz on his sacred ground.