He first encountered the red fog in an underground iron room.
At that time, in order to avoid the red fog, he climbed up the ladder to the ground with all his might, and he was exhausted.
The smell, like that of spoiled canned herring, was something he would never forget.
But for people like Lou Feier and Zeng Tao who have undergone blood vein mutation, this red mist is very sweet.
But the red mist here has no smell.
A bit strange.
"Is it possible that this red mist has been purified and optimized?" Qin Fu walked out from the depths of the dense red mist and speculated, "This red mist is enough to submerge the scarlet crystal and cause it to release energy."
The red mist that makes the scarlet crystal shine...
I always feel like it can be used.
"What a pity, there is no device that can collect gas." Xu Xin sighed.
With their current level of technology, it is very simple to make a device to collect gas.
But who would have thought of doing it?
"Collect gas? Do you want to collect this red fog?" Wen Guixin also walked out of the thick red fog and asked.
"Hmm. I feel like this gas, combined with the large pieces of scarlet crystal that have been cut, will make the scarlet crystal emit a stronger light, which will have a significant effect."
He glanced at the alien invader beside him, who was completely controlled by Wen Guixin. "With this cooperation, we won't be afraid even if we encounter many alien invaders."
"Actually, I think a large piece of concentrated scarlet crystal alone is enough." At this time, Xu Ying suddenly teleported to their side and said, "The light from this concentrated crystal alone is enough to make ordinary alien invaders suffer. Besides, didn't you say that the light from a small piece of scarlet crystal can drive alien invaders crazy?"
That's not wrong.
But the scarlet crystals in the red mist can drive alien invaders with protective touch crazy.
Forget it. Judging from the current situation, I’m afraid not many alien invaders have protective membranes.
"Let's take a short break. When Zhao Xiaochuan gets tired, we'll go and switch with him."
Xu Xin and his men became more alert and sat in the red mist, waiting to be cut.
Time passed minute by minute, and the red fog showed no sign of dissipating.
Similarly, there are no alien invaders or even machines entering this underground space.
Everything seemed smooth and peaceful.
During this time, Xu Ying used her teleportation ability to go out and take a look, and she came back in just three minutes.
She told everyone that the outside of the World Tree was still very peaceful and not much had changed since they arrived.
But the control area above, which is the central trunk where the core of the World Tree is located, is now on absolute alert. A large number of weapons are gathered there. She was really shocked when she went up there.
As for the scarlet crystal, Zhao Xiaochuan was still working very hard to cut it, and he had become addicted to it.
Even when Xu Xin and others wanted to replace him with someone else to let him take a break, he simply refused.
"I'll do it, just watch me!" His voice came from inside the scarlet crystal.
The red mist had also cut out this channel along with him, and diffused into the interior of the scarlet crystal, causing it to release a very intense light.
This made Xu Xin and others a little worried about Zhao Xiaochuan, who was inside the scarlet crystal and wrapped in the scarlet crystal.
However, every time he was asked, his voice was full of energy.
It seems that the four layers of protective film are still very effective.
Xu Xin could only remind him that if he felt any discomfort, he should come out immediately because the protective film was disposable and might lose its effectiveness.
"Don't worry, Brother Xin, I value my life very much!" Zhao Xiaochuan replied.
The three alien invaders controlled by Wen Guixin also performed their duties conscientiously.
The positions of the three of them formed an equilateral triangle, digging inwards from the three directions outside the scarlet crystal.
Moreover, probably because they were designed to do this, they dug faster than Zhao Xiaochuan. However, they had no intention of hiding the entrance of the hole, and each hole led straight inward.
Fortunately, Wen Guixin gave good orders, asking them to dig a relatively small hole outside and then expand the digging inside, so that the hole made by the three people was not very conspicuous.
Xu Xin and others have been keeping their nerves high, alert to the risks that may come at any time.
About two or three hours later.
"Come up and take a look. Zhao Xiaochuan's side is almost ready."
Jin Yue's voice came from above the scarlet crystal.
"Let me go up and take a look." Xu Ying stood up.
"Take me with you." Xu Xin said.
The two of them were teleported directly to the scarlet crystal and to the edge of the pit dug by Zhao Xiaochuan.
In order to make the hole less conspicuous, Zhao Xiaochuan dug half a meter down, then dug one or two meters to the side, and continued digging diagonally downward.
So, when viewed from above, you cannot tell how deep the pit is.
But in fact, the pit was already very deep at this time.
The scarlet crystal is twenty meters high in total. Zhao Xiaochuan dug nearly ten meters inside at an angle of at least forty-five degrees, and has reached the deepest part of the scarlet crystal.
"How is my masterpiece?" Zhao Xiaochuan's forehead was covered with sweat, and his clothes were soaked. There was some fatigue between his brows, but more of excitement.
"Okay, come up quickly, it's so hot!" Wang Lei reached out to Zhao Xiaochuan and pulled him out.
This passage is not wide. The widest part is only about 60 to 70 centimeters in diameter, which is enough for only one person to crawl in.
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