C30 Red Wolf Was Ambushed?

"Who's here?"

Ning Yue looked at Chi Feng in confusion. He couldn't believe what he was thinking, so he asked.

"The enemy of Red Wolf?"

Chi Feng nodded and replied, "Yes, it is an enemy attack. The walls of the underground stronghold were connected with hollow metal pipes, which were used for long-distance communication. The sound just now was a warning, an enemy attack warning