Trick-or-treat gone wrong.
Prompt (main): On Halloween, a supernatural phenomenon plunges the world into darkness and chaos. (What lurks within the shadows, waiting for humanity to fall?)
Prompt (sub 1): Halloween Eve when (you hear someone knocking on your door. You think that it's a trick-or-treatet, but when you open the door) you discover a basket of eggs hatching. What comes next is horrifying. (sub 2): "You can check out anytime you like, but you can never leave" playing in the background. (sub 3): You wake up on Halloween night, look outside your window and see your sibling (sister) sleep walking away from the house. (You chase after them but can't catch them until they plunge into a dark lake, where there's a mysterious song that starts pull ypu deep below the surface.) (sub 4): shiver, caution, darkness (poem)