"What's that smell?" Yang Feng instinctively pinched his nose, wary as he scanned the surroundings with his flashlight. Everywhere the light fell, there were traces of what looked like worm trails, densely covering the ground and sending shivers down one's spine.

But Mary Kinson's fox-like eyes were bright and shining as if she had picked up some treasure. She walked quickly, saying, "The wind flows from this direction, indicating that there should be an exit and a water source ahead. Let's go and take a look."

This kind of environment is the most suitable for the growth of ancient and rare herbs. If there are one or two herbs, her...