Strange perpetual motion machine don t wave

PS changes the scene layout and AI reproduces and upgrades props, which is the secret of designers against weird Chen Lu: "if a rune can destroy a ghost, then in the face of 100 ghosts, 200 runes should be prepared in advance." Shuangshuang: "the boss has money!" Chen Lu: "however, if you really fight, you can only use 101. You must ensure that every ghost is dead!" Shuangshuang: "then use 200 directly, don't you die more thoroughly?" Chen Lu: "no, our family is poor. We should be careful." Shuangshuang: "cut, be stingy... Boss, you are a perpetual motion machine!"