C141 A Fierce Battle in the Secret Room

Li Erneng and Mao Yufei were trapped in a secret cave on the mountain, where the cave entrance was suddenly buried by a sudden mudslide.

The black-robed old man trapped the two of them in the stone room above the underground river. The space here was small, so Li Erneng could quickly find the exit mechanism.

When he saw the crack on the wall, he used a sharp knife to pry it open