Right when Zhou got to the split in the tunnel he heard someone yelling for help.
Hearing this Zhou wanted to rushforward but the he asked the system 'Which tunnel are there people in'
Immediately afterward Zhou saw 3 arrows pointing to 3 different tunnels. seeing this Zhou asked again 'Which tunnels people are yelling for help?'
Afterward it changed to one arrow, seeing this Zhou headed for that tunnel and immediately went to it. After he entered the tunnel he kept running to the direction the arrow pointed to. After a couple of minutes he got to a door and the arrow was pointing at it Seeing this Zhou pushed open the door.
When Zhou opened the door and looked inside he saw a couple people facing off against a giant wolf and a group of injured people behind them. looking at Zhou was confused and thought 'what happened here?'