"Mercy Lewis, what is that?"
--Tina Goldstein (WFT)
An American wizarding exclamation (WFT).
Tina uses this exclamation when she sees a murtlap for the first time (WFT).
Mercy Lewis was one of the accusers at the Salem witch trials.
Mercy Lewis was one of the accusers of the alleged Salem witches. She is particularly notable for two reasons. First, she became an orphan at a young age after her parents were killed in attacks by Native Americans. Second, she was especially constant in her accusations (source: University of Virginia). -BB