Moreover, based on the earlier calculations, whatever was down there should not have been particularly powerful.
Before going down, the old man gathered everyone together and explained the rules for entering the mine.
"There are three in all. You must remember them." He held up one finger. "First, under no circumstances can your torches go out. If a torch goes out, it means some kind of gas is rising from below. Take two breaths of that stuff, and you might be dead."
"Second, follow the tracks. Do not run around. There are quite a few hidden passages down there. If you fall into one, you could get lost. And if you get lost, you may never get back out. If there are any mountain crevices or the like, no one can save you if you fall in."
"Lastly." The old man lowered his voice. "If you hear something, do not shout recklessly. There are things down there. If you shout, you might become a target immediately. So if you encounter any movement here, make hand signals first, or wave your torch first. Either will do."
The old man spoke slowly, pausing after every sentence.
"Don't think I'm being long-winded. These three rules are what we must follow when going into the mine. They can save us a lot of trouble."
Lu Yuan nodded. "Understood."
Blue Knight also gave a slight nod.
The group slipped into the bottomless shaft.
The deep shaft slanted downward, with several hundred steps.
Once they had descended them all, the ground suddenly became very flat. In the wider places, two mine carts could travel side by side; in the narrow places, only one person could pass through sideways.
The tracks in the narrow sections were broken. When the mine carts reached the gap, they had to