Today was a good day until you saw the bell. You decided to ring it, because of curiosity. And then, a creature appeared. It held onto the bell, and you felt upset, and dreadful, knowing you’ll spend the rest of your days with him because of the foolish act of ringing the bell.

SCP-513-1: “I missed you, human. Now suffer for eternity. Don’t go to sleep human!

because I’ll be there…”