The three-dimensional space was not smooth. It was slightly distorted. Occasionally, there would be ripples coming from the distant space, affecting the entire Earth from time to time. Under the influence of these spatial ripples, the ground had no resistance at all, and there would be slight distortions and deformation.
However, just like in the water, the ripples would not attract the attention of the fishes. Humans who were in it would not notice any changes.
The existence of the distorted space had completely subverted the concept of the shortest distance between two points. A straight line in the three-dimensional space would look like a curved arc in his four-dimensional vision.
Luo Yuan even found an area where the space was extremely distorted. The distance that was originally 700 to 800 kilometers would be less than 100 kilometers if he were to travel in a straight line.
Unfortunately, he could only observe all of this. There was nothing he could do. His four-dimensional vision was just an organ that could observe the fourth dimension. It did not give him the ability to travel in the fourth dimension. He lacked a four-dimensional 'body'!
He sighed. He had seen the real world but when he turned around, he could only move forward step by step like a low-dimensional being. It would be fine if he did not know about it. However, he had no choice but to do so even though he knew about it. He could not help but feel lost.
The distorted space and the boundless dark energy were like flowers in a mirror and the moon in his eyes. They seemed to be within reach but in reality, they were separated by an insurmountable barrier.
The gap between the fourth dimension and the third dimension was not something that could be broken through with just his four-dimensional senses!
Hmm, it seemed like there was something that could be done!
Suddenly, Luo Yuan recalled that when he was training in New Capital City, there was an important piece of information about the scientific progress of extraterrestrial civilization. One of the speculations was about the propulsion method of interstellar travel.
From the most basic chemical fuel injection and plasma propulsion to light pressure propulsion and nuclear fusion pulse, to the curvature engine that was completely in the realm of science fiction, space jumping.
Luo Yuan thought of the warp drive. It might not be impossible to travel in this way.
In the warp drive, the flying object would be wrapped by the warp bubble, forming a certain range of space warp. There would be no acceleration in the nearby reference frame and it would not be limited by the theory of relativity. As long as the space could be manipulated and the energy was sufficient, the flying method could easily exceed the speed of light.
His eyes lit up and he was excited.
Perhaps it was only possible to teleport when he was in the true fourth dimension. However, it was not impossible for Luo Yuan to fly using the curvature of space since he could already observe the fourth dimension.
This kind of warp drive was not as complicated as other propulsion methods. With his four-dimensional vision, he could see space clearly. All he needed to do was to shrink the space in front of him and expand the space behind him.
The willpower was the energy source!
He didn't need to fly very fast, as long as he could exceed his original flying speed.
The only uncertain question was whether his Will could interfere with space. It could drive electromagnetic waves of various frequencies, as well as tangible and intangible forces such as gravity. However, whether or not it could interfere with space was something that had never happened before, and he had no idea about it.
Willpower was the ability of the mind to directly interfere with reality. In philosophy, it belonged to idealism. If one were to use a word to describe the ability of willpower, it would be the ability to make one's wishes come true. Of course, this ability was still very weak and limited.
For example, he could not create something out of nothing and could not turn stone into gold. Similarly, he could not really achieve what he wanted. The power of his Will was still a supplement and assistance to Luo Yuan. He was not sure if it could interfere with space.
Everything had to be tested.
The next moment, he condensed his willpower and his body slowly floated into the air. At this moment, his eyes were glimmering and a layer of faint radiance covered his entire body. He looked at the fluctuation of space around him. As his willpower actively interfered, the space in front and behind him seemed to fluctuate slightly.
He observed his surroundings and realized that he was not moving at all. He was not disappointed, nor was he not anxious. The fluctuation of space could not be hidden from his eyes. Since there was a fluctuation of space, it meant that he had succeeded.
The reason why he did not move immediately was because the force of the space was too weak. It required a certain amount of time to accelerate.
He patiently floated in mid-air, motionless, and continued to maintain the warp drive.
Time passed by. A few minutes later, he finally felt that he was starting to move. At the same time, the space in front and behind him was slowly moving in the form of fluctuations. In the beginning, the movement was as slow as a snail. However, as his willpower continued to push, like a rolling snowball, the fluctuations in the space began to expand and the speed gradually increased.
Five minutes later, the speed had reached 0.5 meters per second!
Ten minutes later, the speed had reached 6 meters per second!
After 15 minutes, the speed had reached 80 meters per second. It was not a constant acceleration but a variable acceleration. At this moment, his speed had far exceeded his usual flying speed and it was still increasing rapidly.
What was even more amazing was that at such a speed, the air in the area where he was located did not flow much. It was no different than when he was hovering. It was as if the space around him was completely independent of the three-dimensional world.
It was true. Luo Yuan realized that the warp bubble in the area where he was located had half left the three-dimensional world, forming a phenomenon of ascending to the fourth dimension. He did not notice that as the warp of the space around him increased, his body looked much bigger. His original height of about 1.8 meters had expanded to four to five meters, like a giant.
In fact, as his willpower increased, the warp of the space would continue to increase. He would also look bigger and eventually, he would completely leave the world.
Of course, this was not a true separation. He was still in the universe, but he would not be seen or observed by three-dimensional creatures.
…
When the speed had reached 200 meters per second, Luo Yuan stopped moving forward and began to prepare for the return journey.
He realized that he did not have much willpower left. At the same time, he felt a deep sense of exhaustion in his body.
The four-dimensionalization of the brain did not come without a price. Be it foresight or four-dimensional visual perception, they both needed to process and analyze a huge amount of information that could only be described as astronomical figures for humans.
If the information was to be processed by a computer, it would not be enough even if all the computers and smart devices before the apocalypse were to be multiplied by thousands of times. At the same time, the energy consumed would be enough to destroy the moon if it was gathered and released like a nuclear bomb.
In comparison, the efficiency of the four-dimensional brain was already incredible. However, the energy consumed was not small for an individual like Luo Yuan.
Previously, when he only had foresight, although he could vaguely sense it, with his terrifying 23 points of Stamina, he could completely withstand the consumption of Stamina when he had not really exhausted his Stamina. He was not affected at all when he was on the road or in battle.
However, when the four-dimensionalization of the brain reached 2%, he could clearly feel that something was wrong.
It was still fine when he had the bandage on his forehead as most of the information in the fourth dimension was blocked. The four-dimensional visual perception of his brain was in a semi-dormant state and his physical strength could still withstand it. However, as soon as the bandage was removed, his physical strength was like a dam that had released a flood. In less than three hours, he could clearly feel the exhaustion in his body.
Under such circumstances, Luo Yuan did not dare to stay outside for long. He immediately controlled the fluctuation of the space and quickly turned back.
During this period, his speed was getting faster and faster. The scenery around him became illusory as he moved forward at a high speed. It was like a colorful abstract painting that was formed by countless lines. It looked strange and dazzling.
He could no longer determine how much speed he had reached.
However, at least, it had far exceeded the speed of sound. The characteristics of the space-time bubble made the high-speed flight seem silent and there was no movement at all. Not to mention breaking the sound barrier, there were not many ripples in the surrounding air.
Luo Yuan did not know what the fastest speed of the space-time bubble was. He had not reached the limit yet. However, the acceleration had slowed down and was no longer twice as fast as before, every 50 to 60 seconds.
When he went out, it took him 20 minutes. When he returned, it took him less than a minute.
When he saw the familiar cave, he immediately removed the curvature of the space around him. As the space gradually stabilized, Luo Yuan who was initially flying at supersonic speed stopped after a few seconds. Even with Luo Yuan's sharp senses, he did not feel any inertia during the deceleration process. It was as if he had been standing there and his body did not move at all.
Luo Yuan landed and took out the bandage from his pocket and tied it on his forehead. The four-dimensional world was quickly isolated. He could feel the continuous flow of power from the earth and his physical strength gradually recovered. He exhaled and looked excited. He then walked into the cave and looked around. However, he found out that the mutated woman was gone.
The cave was only that big and it was not deep. It was easy to see at a glance.
Then, he used his Sense to sense the surrounding distance but he still could not find her.
He slapped his forehead. It seemed like he was too engrossed in the four-dimensional world and had completely forgotten about the mutated woman.
Luo Yuan did not even need to think to know why the mutated woman was missing. Based on her behavior these two days, when he was flying outside, she must have chased after him. Based on his increasing speed, it was impossible for her to catch up with him.
He did not care about it. At this time, the sky outside was getting dark. With the mutated woman's timid and cautious character, she would probably be scared and come back as soon as the sky turned dark.
He returned to the cave and purposely lit a fire at the entrance of the cave. This way, the mutated woman could see him from afar and would know that he was back. She then sat down and waited patiently.
Soon, the sun on the horizon gradually disappeared and the sky slowly darkened. He looked at the time. Unknowingly, half an hour had passed. He stood up impatiently and paced back and forth. From time to time, he would look at the forest in the distance and frown slightly!
After a long time, he sat down again and laughed at himself.
"It's just a mutated woman. If she didn't come back, then she didn't come back. What's there to worry about? Could it be that after following me for two days, I have developed feelings for her? Without her dragging me down, with my current speed, I might be able to reach the coast of Guangxi before noon tomorrow."
Although he said that, he was getting more and more worried as time went by.
"Could she really have died just like that?" He thought to himself, "I'd better go and look for him. I'll do my best. No matter what, this mutant came here because of me. If he could have lived a good life, but now he's dead, I'll feel guilty."
"This is so troublesome!" He took the knife and quickly jumped out of the cave into the forest. He gently sniffed the scent left by the mutated woman and quickly followed the direction.
"How did she run so far away?" Half an hour later, Luo Yuan thought to himself. He was already far away from where he had flown previously, but there was still no sign of the mutated human's aura returning. She probably did not see him at all and just ran blindly.
Looking at the dark forest and the roars of the beasts nearby, Luo Yuan had no choice but to continue moving forward.
Soon, more than an hour had passed. However, Luo Yuan did not see any trace of the mutated woman. She seemed to have been running forward without any rest. He really did not know what this silly mutated woman was thinking.
At this moment, his eyes slightly narrowed, and his originally running body quickly stopped.
He lowered his head and picked up a plastic bottle from the grass. To be exact, it was a purified water bottle.
The mutated woman had secretly taken it in the afternoon. Every time Luo Yuan looked at her, she would be vigilant and hide the bottle behind her. She treasured the bottle very much. However, it was now thrown on the ground.
Obviously, she was in danger.
Luo Yuan's face turned serious.
Fortunately, he did not smell the scent of blood. She must have escaped.
He was anxious and quickly increased his speed, shuttling through the forest like a phantom. During this time, the system triggered a level seven mission. However, he was not in the mood to do so. He took a detour around the area and continued his search.
The forest at night was eerie and terrifying. Countless blue or yellowish eyes lit up like lanterns in the darkness. It was enough to make one's heart numb. He really didn't know how this timid and cautious mutated human had the guts to walk here, and even walked so far. Didn't she know that she should find a place to hide first?
What a stubborn person!
Luo Yuan's face was serious and he was getting more and more worried.
At this moment, he let out a soft "eh?" and suddenly stopped. The grass here was messy, and some of the weeds had been torn off or uprooted. The mutated human seemed to have struggled here. At the same time, his expression changed slightly as he saw fresh blood flowing not far away.
Although there was not much blood, the smell obviously belonged to a human.
At this time, he suddenly noticed that there seemed to be a long thing hanging on the tree. He quickly turned his head and saw that it was a rope made of rattan, hanging on a slender branch.
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