“Lilith, my oldest work-friend since… well, friends became a thing. Unmentionables weren’t around when dinosaurs and other eat-poop-then-die creatures were on Earth. It’s only when sentience became all the rage that God cut off her finger and gave it to me as Lilith, divine retribution for anyone bold enough to manipulate the cosmic work schedule. Since then, Lilith has, and always will be, the most dangerous weapon in existence. While I used her special holy abracadabra to transform Lilith into a scythe, she adjusts to the user’s character in order to be the best possible work tool. So if you want to be my next intern, and you’re comfortable getting my dry-cleaning, let’s first see what’s in that mushy pink wetware between your ears. It’s a sorting hat sort of thing, only with irremediable, world ending consequences.”
-Death

https://www.buzzfeed.com/parliamentbooks/the-sorting-hat-for-killers-4l2ia0r8rv