C39 Zither Tremor

Yue Yanzhi withdrew her foot and said, "There is indeed something strange about this staircase. It is the same principle as the mechanism I guarded at that place. I will go up first and solve this mechanism. After that, you will be much safer."

Yang Zhuzhe hesitated to ask, "Do you really believe that you can solve it?"

Yue Yanzhi smiled and nodded, "It's fine, don't worry