C1003 Devouring High Grade Dao-soldiers

The underground tunnels were winding and difficult to walk through.

However, Cheng Feng had already walked through it once, and he was already familiar with the rough route, so his speed was much faster than before.

Even so, it would take him a long time to get to the other end of the tunnel.

Thus, while Cheng Feng travelled, he would also sort out the gains and losses from this rescue mission