I could not afford to waste my time dealing with the mechanical beast. Thus, I turned around and leaped off the tunnel into the sewer. Behind me, a loud explosion erupted. The collapsed debris covered the entrance. Zhang Xingxing was waiting for me down inside. She was only relieved after seeing me in the sewer. We started running through the sewer.

"I can't even remember how many turns we have made so far," Zhang Bao'er suddenly said.

"We have no choice. This is the only thing we can do to stay alive," said Old Du with a sigh.

The sewer was dark and damp, and it seemed to be part of a massive drainage system. We continued moving through the sewer, and after a while, loud sounds of water finally appeared ahead of us.

Not long after, we stood before a large exit. There, we found that the prison sewer was actually connected to Gero City's drainage system. Ahead of us were the exits of tunnels connected...