Falling from a height of 200 meters did not kill it, but it was injured. This indicates that the creature being tracked has a slightly higher physical strength than humans, but not by much. Without the right tools, the chance of piercing through a six-meter-thick mass of scrap metal is virtually zero.
"That thing probably can't open the sealed plug and escape, right?"
"The sealed plug is physically locked. Only heavy machinery can rotate the plug and extract it from the pump passage, and these operations can only be done from the outside of the pump passage. It's impossible for anyone or any creature inside to escape through the interface without damaging the plug."
"That's good."
Propelled by gravity, Sun Hang quickly ran down the slope. He hadn't gone far when the ground beneath his feet turned from concrete to metal, and every step on the pipeline emitted a very distinct sound that traveled along the tunnel.
