C754 Fairy in the Ice Coffin
The cave behind the waterfall was not big, beyond the door was a stone room, and behind the stone room was a passage. Taoist Yao and Gu Fei did not stop.
They directly passed through the stone room and entered the passage at the back of the stone room. The passage was not wide and could barely fit the two of them in side by side.
The tunnel was more than ten metres long