C157 Cao Ren Guancheng

More than twenty catapults bounced off the wall. Amidst the deafening sound, huge rocks were thrown into the air and rolled towards Zhen Cheng's city walls. These rocks seemed slow, but in the blink of an eye, they reached the top of Zhen Cheng's head and then fell down with a strong momentum.

"Mm!?"

Cao Ren's pupils suddenly contracted