(The book has been renamed "Urban Martial Saint," and when searching, you can search for Urban Martial Saint.)
As everyone entered, they were all carrying waterproof radio equipment, able to transmit messages at any time.
Previously, while swimming, they could still hear the messages from Blackie and the others. But by the time they got here, the radio was filled with static, and they couldn't hear any movement from Blackie's group. Clearly, the radio was useless here, so everyone had to blindly swim forward, preparing to rendezvous with Blackie and the others.
After swimming forward for about fifty meters, they unexpectedly saw some light, which baffled everyone. Undoubtedly, they were about to reach the surface. However, considering the distance, they had already ventured deep into the mountain. Where could this light be coming from inside the mountain?
