The rocks here are extremely dense. If the Yang Ji's "Guquan Sword" were not produced in the "famous sword-making place" and cut iron like mud, it would be difficult to dig in this rock formation.
Facing the resistance coming from the rock formations, Yang Ji could only speed up the progress by consuming a lot of blood.
"The underground rock mass is basically distributed in a cone shape, narrow at the top and wide at the bottom. Therefore, the horizontal straight line is not the shortest. Only diagonally upward can the fastest way out of the rock formation area. Moreover, the slope-shaped channel can also allow
The excavated rubble was discharged down the channel."
Yang Ji's mind was full of thoughts, while echoing the "stone patterns, geology and geography" he had learned from the scriptures, he was constantly weighing the way out.
The shape of the rock mass is not regular. Some places protrude very long, and some places have deep depressions. This means that at the same angle and in different directions, the road to be excavated out of the rock layer may be longer or shorter.
Time is limited, Yang Ji must find the shortest way out before the air in the cave runs out.
"drink!"
With a loud shout, the blood furnace in Yang Ji's body vibrated, and a stream of blood spurted out, blasting diagonally upward like a wild dragon...
The cave was narrow and stuffy. In just a short while, Yang Ji's body was soaked to the skin, most of his blood was depleted, and he could no longer hold on.
Bang, Yang Ji slapped his body with his palm, and immediately slid out of the passage with a pile of gravel.
"Senior Brother Lu, it's your turn."
Yang Jidao.
"Whoosh!"
Without thinking, Lu Wu immediately jumped into the tunnel. A moment later, a rumbling sound came from the tunnel.
The atmosphere in the underground hall was very tense, and everyone's eyes were focused on Yang Ji, Lin Qingyan and Lin Qingyan.
"Junior Brother Yang, thank you for your hard work. I'm here to help you."
Amidst the sound of splashing water, Xu Ziyi waded into the water and walked to Yang Ji. With a press of her palm, a powerful force of blood immediately rushed into Yang Ji's body.
"Thank you."
With the help of this blood energy, Yang Ji became energetic and immediately closed his eyes and adjusted his breathing.
Time was running out, Yang Ji, Lin Qingyan, and Lu Wu took turns to enter. A large amount of gravel continued to slide down from above and fell into the stone hall.
Many sect disciples organized themselves and transported the rubble to the bottom of the torture chamber.
The underground river water poured in much faster than Yang Ji imagined, and together with the rocks falling from above, the two together squeezed everyone's living space.
Throughout the hall, you could hear a pin drop, and everyone's heart was tense, as if they were waiting for the verdict of life or death.
No one knows how long we can hold on here. No one knows if we can hold on until Yang Ji and the others dig through.
"Ding!"
Suddenly, sparks flew out, and in the darkness, the long sword seemed to have struck something, and a sound of gold and iron erupted.
"what happened?"
Lu Wu was shocked. This was the first time this happened.
"Senior Brother Lu, what happened?"
Lin Qingyan's voice came from below.
"have no idea."
Lu Wu shook his head and stabbed out with his sword again. This time the same thing happened. The tip of the sword seemed to have encountered some strong resistance and made a crisp sound of gold and iron.
"Whoosh!"
Yang Ji and Lin Qingyan "swam" up from below at the same time.
"Senior Brother Lu, what's going on?"
Yang Ji asked.
"I don't know either."
Lu Wu shook his head, with a blank expression in his eyes. Even the sword energy could not penetrate the rock. This was the first time he had encountered this situation.
Soon, Lu Wu explained the situation ahead.
Yang Ji remained silent.
After a long time, Yang Jicai said in a low voice: "Brother, we may have dug underground iron ore."
"What!"
Hearing Yang Ji's words, Lu Wu and Lin Qingyan were shocked.
The two of them are not as proficient in geology, topography, and geography as Yang Ji, but they still know what "iron ore" is.
Deep underground, sometimes you will encounter huge iron ore veins, copper ore veins, etc. This kind of thing is not stone, but metal.
Iron ore is divided into many types according to the quality of the iron. Some iron ore is very sparse, with iron particles scattered inside the rock, no different from rock.
However, some iron ores contain other special impurities and are stronger than refined iron.
If Lu Wu's sword energy comes into contact with something like this, it's not surprising that it won't be able to pierce it.
"How could this be? It's okay for those evil passages to open underground, so why did we encounter a large iron mine?"
Lin Qingyan lost her voice and her face turned pale.
Everyone had spent a lot of time in the rock formation, and Pan Chen and the others were already up to their waists in water in the stone hall. At this time, it was impractical to dig a new passage and adjust the direction.
If it is true, as Yang Ji said, that there is a dense iron mine ahead that cannot be penetrated by sword energy, then everyone trapped here will almost certainly die.
For a moment, there was deathly silence in the entire passage.
Chapter completed!