In the lobby, Shumiao tells the gang that the key to the game is hidden behind the stones, and that the word "proof" is the key word to pass the game. She also tells them that they need to destroy the Host or save the Host from the clutches of the Host, but that they can't do both at once. They need to find a way to simultaneously attack the Host and the Host's hearts at once, so that they won't have to wait for the Host to die.