Huo Yuhao simply scanned the area and immediately discovered a variety of surveillance equipment, including all-terrain long-range detection Soul Tools, close-range thermal detection Soul Tools, mid-range anti-air detection Soul Tools, trigger-based positioning Soul Tools, and a large number of High-Altitude Detection Soul Tools filling the sky.
To put it bluntly, even if a fly were to buzz out of Risheng City, the Soul Masters responsible for monitoring these detection Soul Tools would spot it immediately.
Wanting to sneak into the city unnoticed required genuine skill. Otherwise, they would have to find a way to smuggle a message inside and get the members of the Holy Ghost Cult to come out and talk. But if they actually did that, they would lose the upper hand in terms of morale.
Chapter 785