In my world only people with certain potential can see it. Normal people are not able to function during the Dark Hour. They are transmogrified into coffins. [She's a robot, she can say things like that with a straight face and unwavering voice while remembering the horror of it all, the streets littered with coffins every night, the eerie green light bathing it all with the horrible tower twisting and rising for hundreds of stories against the huge moon.]