Fengshen Whip (打神鞭, Dashin-ben)? is a weapon in the series.
Dashen Bian (打神鞭) is a celestial weapon belonging to Jiang Shang (姜尚) from the Chinese novel Fengshen Yanyi (封神演義), which can only be used to hurt gods, hence its name "God-beating Whip." All mortals and sages are immune to it.
Persona Q2: New Cinema Labyrinth