After returning to the first level, Lu An used his power to imprison all 50 of them. He did not move but used his power to lift the 50 of them and send them into the tunnel.
The first level was 30,000 feet high, and there was a Teleportation Portal 30,000 feet underground. It was only 30,000 feet away from Lu An, who was standing on the surface. Lu An controlled the 50 of them and sent them into the tunnel that was 30,000 feet underground. He activated the Teleportation Portal 30,000 feet away and pushed all 50 of them into it.
Then, Lu An activated the Teleportation Portal again and returned to the fourth level.
Lu An continued to search the ground without the blood fog. Unfortunately, other than the 50 people from before, there were no more people in this open space. After searching the entire open space, Lu An once again rushed into the blood fog and headed north. What he needed to do was to rush out of this blood fog and enter the next open space.
After finding Yu Yan, he didn't need to go all out like before. Instead, he chose to slow down a little and absorb the death energy around him. In addition to moving forward at a constant speed, he maintained a balance between consumption and absorption. This allowed him to maintain more than eighty percent of his strength. Although he would not be a threat on the fourth level even if he was a little weaker, Lu An had always been a cautious person. The most common state of caution was to ensure that he had sufficient energy.
After rushing in from the edge of the blood fog, he could feel the intensity of the death energy gradually increasing. It rapidly increased from level-six to level-seven, and then to level-eight. Lu An, who was flying, frowned slightly. He was thinking as he spread out his perception.
He was still thinking about the previous question. Why was there such a huge amount of death energy underground? If the fourth level was already so serious, and most of the area had been engulfed, then how powerful would the fifth level be?
Now, he was thinking more. From the fact that Fu Yu had come to inform him, it was enough to show that the Hachiko clan was very familiar with the situation in the underground world. However, it seemed that they were not prepared to take care of it. Otherwise, they would not have let him take action. This death energy seemed to be spreading endlessly. If this continued, the entire underground world might be engulfed in less than ten years. When that time came, would the underground world really be able to contain the death energy and prevent it from spreading to the surface?
Or could it be that … the Hachiko clan would take care of this matter, but they were busy at the frontline and couldn't spare any time to deal with it? So, they asked him to come and rescue her first and wait for them to deal with it later?
There were too many possibilities, and he knew too little. Lu An took a deep breath and stopped himself from thinking too much. With his current strength, he did not have the qualifications to know more things. It was better to do what he needed to do first and not bite off more than he could chew.
— — —
— — —
In the following ten days, Lu An spent all his time on the fourth floor, except for the two times he went home to report his safety.
When he went home to report, Liu Yi said that Zhu He had settled all the rescued people and integrated them according to the standards of the Celestial Alliance. The rescued people were all Level Seven and Level Eight experts. They had strong self-discipline, so it was not difficult to manage them. Moreover, these people were completely shocked when they learned about the real world. Their worldview was completely overturned. When they saw the sky, mountains, and rivers, they were all glad that they could learn the truth in their lifetime.
These people were very grateful to Lu An and the Celestial Alliance. Because of this, they were more willing to pledge their loyalty. The people of the Celestial Alliance had a lot of topics to talk about with these people, such as Qi and combat skills. The people of the Celestial Alliance were also curious about what the underground world was like. However, after hearing the descriptions of the rescued people, although they were curious, they did not yearn for it.
The one that Liu Yi mentioned was Yu Yan. Zhu He had made Yu Yan the leader of the Rank 7 experts. It seemed that he cared about her a lot. Lu An was a little puzzled. Although Zhu He was not young, he still had a few hundred years of life left. More importantly, among the Taoist masters, because they could change their bodies through power and always keep their bodies in a youthful state, and because their lifespans were too long, many secular moral standards did not apply to the Taoist masters. Lu An did not know if Zhu He had a wife, but he was indeed alone now. Could it be …
However, Liu Yi also said that Zhu He was just a little more concerned and did not do anything out of line. This was even more so for Yu Yan. The two of them did not have much interaction. Lu An nodded slightly. This was someone else's relationship. Naturally, he would not care about these things.
With Lu An's current strength, he could fly very far in ten days. Even Lu An himself did not know how far he had flown, but he could remember the route he had taken. Otherwise, if he could not remember the route, it was likely that he would search for the same place repeatedly.
Just like the information, the fourth level was mostly covered in blood fog, and there was little open space. After ten days of observation, the blood fog accounted for 80% or even more, and the open space only accounted for a little more than 10%. In ten days, Lu An only found four groups of people. There was also a group of people who had gathered together to escape. This was enough to explain the death situation on the fourth level.
This kind of death was not much better than that of the humans on the surface world.
More than 90% of the people in the four groups were willing to leave. Only a few people were unwilling to leave. Lu An naturally would not force them. Lu An did not know if he should save the escaping lives. After much consideration and discussion with his family, Lu An decided to send them to live on the first level, but not bring them with him.
Although this would not solve the fundamental problem, at least they could live for a few more years. Perhaps the problem would be solved in a few years. This way, they would be able to keep their lives.
In ten days, Lu An also saw many people and life forms who had been devoured by the death energy in the blood fog but had not died. These people and life forms wandered around in the blood fog. In fact, they had completely lost their personality. Even the source of their consciousness had been invaded and devoured by the death energy. They had completely lost their sense of self, and there was no way to save them. These people probably did not want to become like this before they were devoured. Therefore, Lu An decided to take action and kill these life forms.
Firstly, it was to let these people die with dignity. Secondly, it was to prevent these life forms from rushing out of the blood fog and obstructing the escaping life forms.
Most of the ten days were spent on the road. In fact, this kind of travel was not very meaningful to Lu An. Although the death energy in the surroundings was dense, the strongest he came into contact with was only at the peak of the eighth level. Moreover, even if it was at the ninth level, the pure death energy was not very meaningful to Lu An.
The purpose of coming here was to save people, but if he wanted to search the entire fourth level, even Lu An would need an unimaginable amount of time. This was definitely not something he could accept. He could only try his best to save people. After a while, he would most likely give up on this place and stop searching. Instead, he would return to the surface to cultivate.
In fact, in these ten days, he had thought about this matter more than once. If he had gone to the underground world by himself, he would have already left. The reason he did not leave was because this was Fu Yu's request.
This was also the point he was most puzzled about. Why did Fu Yu want him to come here?
Fu Yu had always wanted him to cultivate hard and become a powerhouse as soon as possible. However, with Fu Yu's intelligence and intelligence, she should know about the situation on the fourth level. She should also know that this place was not beneficial to his cultivation. Why did she want him to come here?
To save people?
This was indeed a reason, but in Lu An's opinion, this reason was far from enough. If this was the only reason, Fu Yu would definitely not let him come here.
If it was not to save people, then why?
Lu An pondered as he flew. After about two hours, he finally rushed out of the blood fog again. However, it was different from the empty space he had encountered before. The area of this empty space was not large. Lu An successfully found a group of people here. Like the previous few times, he said the same words and sent away those who were willing to leave with him.
After sending them away, Lu An continued on his journey on the fourth level. He, who had been heading north, quickly rushed into the blood fog again and flew quickly in the blood fog.
Sixth level strength … seventh level strength … eighth level strength.
Just like before, the strength of the death energy gradually increased from the edge to the depths. Until now, Lu An had not found a passage to the fifth level. This was enough to show that there were very few passages, far fewer than the ones from the third to the fourth level.
After flying in the blood fog for six hours, not only did he not fly out, but he was also still in the eighth level strength of the death energy. This was enough to show how huge this blood fog was. While flying, Lu An sensed his surroundings and pondered about the problem of cultivation. At least this way, he would not be left empty-handed.
However … a strange change suddenly occurred!
Just as Lu An was flying for another moment, his body suddenly trembled. His figure immediately came to a halt and froze on the spot!
At the same time, his eyes became very serious and dignified as he looked towards the north!
"Roar!!!!"
A roar came from the thick blood fog in front of him! Accompanying the roar was a terrifying aura!
Lu An gradually clenched his fists, and the power in his body was completely mobilized!
Ninth level aura!
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