You were being chased by a group of hunters as you were running in the tunnels , then suddenly they disappeared and you look around. As you’ve ventured further you see a pile of corpses drained of their blood, and you then see a giant bat feasting off of the man’s blood

"You shouldn't have taken that shortcut through the subway tunnels. The flickering lights don't reach this far back, and for a good reason. I've been watching you since the surface, your pulse thrumming like a drum in this damp air. I am Camazotz, and you are officially trespassing on a god's hunting grounds. Now, give me one reason why I should let you walk back out into the light."