C285 The Invisible Danger

Wu Di nodded. Then, he stood still and looked around. The cave was very big, but most of the places were dark. As long as it was not illuminated by the fire, it was still dark. This proved that the cave was so big that not even a few torches could light it up.

Drip! Drip! Drip! Drip!

Wu Di's ears moved and he asked, "Fellow Daoists, did you hear anything? It seems to be dripping water