C720 He's Back!

After advancing forward for about five minutes, Lin Feng suddenly heard the coughing sound again as he walked towards the narrow and long passage!

"Cough, cough, cough …"

This time, the sound was much clearer than what Lin Feng had heard before. It was obvious that there was someone in the deepest part of the cave!

Lin Feng stood where he was and just listened to the man's cough. Soon