This super scary two-way mirror prank is 1) terrifying, and 2) has an unexpected yet hilarious ending. The Conjuring 2 planned the prank to scare movie-goers who thought they were getting interviewed after seeing the film in a creepy warehouse. A two-way mirror was set up, as well as an actress made too look like the nun in the movie. We wont tell you what happens, but we’re sure you can guess. Wait for the ending!