Ten thousand I am across the heavens

Like a spear made of light, it slammed into the eldest son. Such a powerful attack was impossible for the eldest son to miss, so before it hit, a shield appeared around him, transforming into layers of light to block its advance.

Numerous mysterious runes and Gu worms have formed this shield, and the eldest son has gradually combined his unique power with the unique power of this world. As a result, among those of the same level, his various killing moves are even stronger.

The spear formed of light possessed armor-piercing properties at its tip. The extreme cold caused the defenses constructed by the eldest son to fail layer by layer. In this ultra-low temperature environment, almost nothing could be effective.

As the light froze the shield, the bullets within the spear exploded one after another, peeling away layer by layer from the eldest son's now weakened shield. Although the spear was constantly losing ammunition and growing shorter, once the last layer of shield was torn apart, the eldest son's physical body finally suffered the attack. Each bullet was equivalent to the weakest of the sage-level killing moves. The power of a spear composed of thousands upon thousands of bullets was unimaginable; the point of impact instantly tore through flesh and blood, leaving a gaping hole, while subsequent bullets struck the same spot where the previous one had struck.

This cycle repeated itself, and although the spear was rapidly shortening, a tunnel-like cavity was also blasted into the eldest son's body.

The eldest son didn't have time to build a protective barrier within his body. Although his flesh and blood had decent defensive capabilities, it was still insufficient against an attack of immortal-level power. A tunnel several kilometers long was blasted out, and the brain core closest to his body was hit.

With some people's auxiliary attacks greatly enhanced, the skulls of those hit were obliterated in a terrifying explosion. This immediately drew the eldest son's attention. Even two Rank 5 Immortals found it difficult to destroy his brain core. So far, the number of cores within him hadn't decreased; instead, it was slowly increasing. The rate of recovery was faster than the rate of loss. This was why his size was growing larger and larger. It was because his nervous system was expanding. The range of control his body was increasing, allowing his size to expand continuously in the process. A larger size brought stronger defense and higher output power. If this vicious cycle continued, almost no one could contain this planetary-level existence. If he were to truly devour all five continents, even a resurrected Venerable would likely be helpless against him. This thing was almost always in its weakest state because it was constantly becoming stronger.

The attack launched from the underground base was enough to weaken the eldest son, finally attracting the attention of this behemoth.

He Cheng immediately issued the order: "Blue Fox, use light and shadow interference. The entire army prepares to use all-round sensory dislocation. Activate the legion's defense and prepare to withstand the attack."

With the order given, Blue Fox began to forcibly mimic war killing moves using his command skills. In each battle, the commander would also grow, and he, who could originally only simulate command skills, could now barely simulate war killing moves with slightly lower effectiveness.

At the same time, Qin Baisheng received a new task. He needed to simultaneously unleash stealth-type killing moves on over a dozen nodes. Although he still didn't need to use his Immortal Gu, the complexity was already putting him under a little pressure. Fortunately, immortals truly lack time for contemplation, and he could briefly transfer his thoughts to his Immortal Aperture, using the time acceleration effect to buy himself time to think. So even under immense pressure, he was able to endure it.

Dozens of stealthy killing moves were simultaneously applied to the legion, and after being amplified by the legion itself and perfectly integrated with the legion's will, they finally combined to create an extremely unique stealth effect—my stealth effect was invisible.

After incorporating almost all conventional stealth effects, the Legion also adds an additional effect similar to Doraemon's stone hat. This means that even if enemies see Legion members or sense their presence through other sensory means, they will subconsciously ignore them. Through this interference with subjective perception, a psychological invisibility effect is achieved. Simultaneously, this sensory misalignment causes enemies to misjudge their own location, meaning their subsequent attacks are almost guaranteed to miss.

They had anticipated the eldest son's impending, devastating attack. Therefore, despite their elaborate disguises, they were desperately relocating while simultaneously deploying their legion's defenses.

Qin Baisheng also felt the oppressive atmosphere. His eldest son, like a peacock spreading its tail feathers, unfurled his tentacles, each suction cup-like node on which glowed with a purple light. These lights then converged into an array constructed from countless runes and Gu worms. From the center of the array, a thick beam of light pierced through. Wherever it passed, the earth cracked, mountains crumbled, and a massive chasm a thousand meters wide was created, its length almost stretching to the horizon. This terrifying attack, akin to a map editor, would be fatal if it hit head-on, even with a legion's defenses activated. Even if Qin Baisheng concealed his strength, being hit by such an attack would likely result in severe injury.

"This thing is already this powerful?" Qin Baisheng wiped the cold sweat from his forehead. He had only heard rumors before that extraterrestrial evils had descended upon this world. Such things were not unusual. Because this world itself was frequently visited by extraterrestrial demons. Most of them couldn't cause any trouble; these transmigrators might die silently, and a few might leave some traces, but they would be submerged in history. Only a very few, like the Heavenly Thief Demon Lord, could truly make a name for themselves in history.

For the powerful beings of this world, it wasn't unusual for something to descend from the heavens. And the fact that it wasn't human this time wasn't particularly surprising either, until he actually saw the extraterrestrial demon. Only then did he realize that this thing was far more terrifying than he had imagined.

They had just managed to evade the attack by using sensory distortion to disrupt the opponent's perception. Although they were affected by the shockwave of the explosion, the legion's defenses were still crumbling. He could sense that trying to deflect the opponent's attack through sensory distortion was no easy feat. The sensory interference they had just used was more than enough to fool even an eighth-level expert, but the eldest son, halfway through his attack, deliberately expanded the range of his beam of light, reducing its power. This extended the original kilometer-long trench to over 3000 meters. This meant that he had actually realized his target might be disguised, and was thus attempting to cover and hit the enemy by expanding the attack range.

This is incredibly exaggerated. The previous disguise involved disguising almost every sense he could imagine. Logically, there shouldn't have been any possibility of it being detected, and he wouldn't even know which sense was being interfered with. It's very likely a sense that humans don't actually possess.

Even so, they were still almost discovered, which shows just how terrifying the enemy was. In fact, the eldest son's sensory abilities were extremely strong. They weren't limited to the five human senses; he could sense electromagnetic waves, gravitational waves, and his vision could capture a much wider spectrum than humans. After arriving in this world, he further utilized its unique abilities to sense the existence of extraordinary forces, as well as many other sensory abilities that surpassed human cognition. Once locked onto by him, escape was virtually impossible. If it weren't for the invisibility he had just used, enhanced by psychological invisibility, which directly interfered with a part of his self-awareness, causing his subconscious to ignore the target, there would have been absolutely no chance of escape.

"What do we do next? Should we continue the attack?" Qin Baisheng unconsciously began asking the legion commander of the underground base what to do next. He was already reluctant to launch an attack, as it would inevitably reveal their location again. The eldest son's level of positioning ability, coupled with the terrifying power of his attacks, made it very difficult for him to withstand. An eighth-level expert could rely on their own strength to resist the eldest son's attacks, but with his current strength, he couldn't do that.

"Our next move is to reposition and continue the attack. Our attack is powerful enough to break through the eldest son's defenses and inflict some damage. Once that's confirmed, many problems will be easier to solve. We'll wait for the rear to bring up the cover we need for our attack."

Next, we'll focus on infrastructure construction, which will require your cooperation in unleashing our ultimate attack. We need to ensure we can relocate as quickly as possible after an attack. There's a limit to the speed we can achieve through acceleration, but that doesn't mean there aren't other ways to speed up our relocation. The previous probe has been completed. Now, let's retreat to the infrastructure construction area of ​​the underground base.

The previous test proved that even if the attack distance were twice as far as it is now, we would still be able to break through the eldest son's defenses. Therefore, we will retreat first, and then construct a ring-shaped underground high-speed tunnel at an even greater distance.

Qin Baisheng never imagined he would end up digging a subway with a group of ordinary people. To be precise, what they were about to excavate could no longer be called a subway; it was an underground high-speed vacuum tube train.

The train operates via magnetic levitation directly within a vacuum tube. This means the train experiences virtually no air resistance, allowing for almost unlimited acceleration, much like in space, especially with superhuman beings acting as super batteries inside. This immense acceleration can cover hundreds of miles in a short time.

This means they possess extremely high speeds for movement in interstellar environments. Only with such mobility can they be qualified to fight against behemoths of interstellar size like the Firstborn.

However, the construction of such vacuum tunnels was quite slow before. Even with a decent industrial base in the underground area, it would theoretically take a long time to build. But with the help of the immortals, the speed of digging underground tunnels has become much faster.

Qin Baisheng executed his killing move according to their instructions. The legion, on the other hand, adjusted and expanded upon the killing move, using it precisely in a quantitative manner. In this way, they could accurately control the power and effect of their killing moves.

So the four legions boarded a massive train, resembling a land battleship, propelled underground at speeds of thousands of meters per second by terrifying propulsion. As they moved at this high speed, the rocks and soil beneath were pushed aside, forcibly carving a tunnel ahead. The soil and rocks, compressed under immense pressure, formed a solid outer shell, ensuring the tunnel wouldn't collapse. This hard outer shell, with its extremely high density and strength—even surpassing reinforced concrete—could completely withstand the pressure of the internal vacuum.

The personnel following behind only need to check if there are any problems with the tunnel. Then, they install appropriate gates inside the tunnel to isolate it, thus creating a vacuum within the tunnel. As for magnetic levitation, that's actually the simplest. It doesn't even require any installation within the pipes; the combined power of the four legions is extremely formidable, and they can completely utilize the world's existing geomagnetism to achieve their own magnetic levitation.

Although it's just a simple underground tunnel, with almost no air inside, it can operate at incredibly high speeds. The only problem is that the time spent accelerating must be matched by the time spent decelerating. Otherwise, a sudden stop at supersonic speed would be no different from crashing headfirst into a wall.

But this was enough to give them a huge advantage in maneuverability. The land battleships circled the eldest son underground at hypersonic speeds, making a super large circle that took nearly two days. This allowed them to circumnavigate the eldest son underground at extremely high speeds. Theoretically, at their maximum speed, they could circle the eldest son once an hour.

The next step was to take advantage of the convenience brought by the infrastructure construction to launch attacks on the eldest son from all directions.

An attack of this magnitude wouldn't kill the eldest son, but it would be enough to cause him trouble. At the very least, it would slow down his rate of growth, ensuring that when the real killing blow is fully prepared, the eldest son's strength won't reach an uncontrollable, terrifying level.

Qin Baisheng stared in disbelief at the super-circular orbit, its circumference comparable to that of a planet. Built through the combined efforts of both sides, it sent chills down his spine. If his opponent possessed this level of mobility, if they had more time to deploy their forces—not just a single circular orbit, but a vast, interconnected network—how would he possibly deal with such an elusive enemy?
[To be continued]

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