This chapter records Mozi’s counsel to his devoted disciple Qin Guli on countering cloud ladders, detailing auxiliary walls, arrow slits, incendiary traps, ambushes and night psychological tactics to repel ladder assaults.
This chapter records Mozi’s response to disciple Qin Guli on countering enemy earthen siege mounds. It details tall inner counter towers and giant multi-shot linked crossbow carts with winch mechanisms for repelling elevated assaults.