The Taker
Most people give her a single eye. This is within the rules, so she accepts, with a quiet warning. They nod, not understanding. Others try to be clever, and give her an appendix, or a spleen, or even hair. These she does not bother to warn. They will return soon enough, she knows, offering a hand, or a foot, or even a leg.
Content warnings 1
gore
Quasar links out; the story lives on Nightmare, where the author gets the click.