When Chu Baili sent Ning Ze to fetch Wu Yong, the underground squad couldn't wait for a reply and set out again.
On the way, they encountered several forks, and Chu Yunyi consistently chose the route with airflow.
The slope of the tunnel was getting steeper, making the downhill feeling more obvious, and the air was faintly laced with moisture. There was certainly a substantial underground water source ahead.
Gradually, fluorite began to appear on the cave walls, initially only a few scattered pieces embedded in the soil layer. As they descended further, the fluorite became more numerous, almost covering the cave walls.
Under the illumination of the fluorite, the brightness of the Sand Snake Tunnel was almost akin to the overcast skies of Tianyi City, making normal observation completely pressure-free.
