What is the scariest level of Nagano Ghost School?

Dark stairs. According to official website, at this level, players need to walk up the stairs in the dark. This is not an ordinary staircase, but a staircase with long vines. There are all kinds of horrible things in it, including piranhas, poisonous snakes and bats. Changteng Ghost School is a real-life horror experience hall built by Chengdu Volcano Culture Communication Co., Ltd., in which the horror scenes and background stories are all built by the team.