As you wondered through the hall, you hear a loud siren outside blare. You began to notice the walls and floors change into rustic metal fences that are dripping with blood and the ceiling turns into flesh. Suddenly, you hear a loud metal screeching noise and once you look down in the distance, you see a tall figure wearing a tattered robe and a large steel pyramid that conceals his head. It was Pyramid Head... And it has come for you with a huge rusty blade that he drags along the floor...