Those occasional stray bullets are actually not scary; after all, unless your luck is extremely bad, bullets without a clear target are like headless flies.
Song Heping knows very well that the real test actually comes from the sky.
The presence of the "Grim Reaper" drone means that every exposure in the night carries the risk of a fatal outcome.
A slight carelessness, and you're done for.
The low environmental temperature of the highland at midnight makes human heat sources more prominent under infrared detection. Even though they wear ghillie suits with some thermal insulation effect and use heat camouflage nets, the risk is still enormous in front of the drone's high-sensitivity sensors.
To lure the trackers more firmly towards the preset route, they must pass through a narrow pass about fifty meters wide.
That area is relatively flat, with steep rock walls on both sides—an excellent area for drone surveillance and a deadly trap.
"Pass quickly! Don't stop!"
