C170 Shennong valley accident(2)

Not to mention alerting Su Mu, since Su Mu's alertness was extremely low, he could not even detect any one of them.

Su Mu glanced around and found that it was very quiet. It seemed that there was no one around. He thought for a moment and quickly returned to the inner hall. He placed the hairpin on the table and picked up a stone to smash it heavily on the hairpin