" Reapers are the hands of Death. Death might be the judge, but the Reapers are the executioners. They police all Fae."
"So kill the bastards."
Taraeth glanced at his glass. "MNo one knows who the Reapers are. No one as even seen Death. We can't fight what we don't see or know."
"So... you're afraid of some whispers?"
"What do you think has been hunting the Fae besides the Kings? The Reapers."
Mikkel made a sound at the back of his throat. "Has anyone ever seen one of these Reapers?"
"You see one, you die."
"Of course you do," Mikkel scoffed. "

― Donna Grant , Smoke and Fire (Dark Kings, #9)