Luo Zheng, the top modern special forces king.
"Congratulations to the host for traveling to the early Tang Dynasty. The invincibility system has been activated.
Luo Zheng used the invincible system to exchange the blueprint for a specially made siege equipment. He showed the design drawings to everyone and explained its construction and usage in detail. This siege machine can launch powerful stone projectiles with long range and high accuracy, which can effectively destroy enemy walls.
