The situation had been extremely dire.
Fan Tong had only three choices.
One was to use his flesh and blood to resist the collapsing rock walls closing in on him. Another was to climb more than twenty meters up the deep pit in five seconds...
Or cut the rope and fall.
He made his decision in just one second, decisively unfastening the buckle at his waist.
In fact, his judgment had been correct.
The rock walls closing together had not given him anywhere near five seconds. By his estimate, it had taken no more than three seconds before the solidly colliding rock layers cut off the light from above...
Still, though it had seemed like the best decision at the time.
Only half an hour later, Fan Tong was already starting to regret it.
Other than leaving behind an intact corpse, his current predicament did not seem much better than being crushed flat against the rope. He had been walking for nearly half an hour, yet the cave seemed endless, with no hope in sight.
"Damn it... This place is practically a maze."
Sure enough, he should have been more cautious back then, but there was no use saying that now.
A faint tremor ran through the ground.
Guessing that the place where he had fallen earlier had probably been buried by the collapsed rock walls, Fan Tong took a deep breath and tried to calm himself down.
To keep himself from becoming too depressed, he did his best to convince himself that this was merely a scientific expedition.
"Silty quartzite... It's actually not hematite anymore. I never expected to find something this interesting here."
"And what's this? Bioclastic rock?"
This was an incredible discovery.
The dejection in his eyes gradually gave way to excitement. Using the multifunctional shovel in