Ten thousand I am across the heavens

A surging torrent of crimson primordial blood swept across the entire grassland. Wherever it passed, all living beings were transformed into part of its crimson essence. Even the mighty herd led by the King of Beasts was utterly powerless against the red flood, desperately fleeing in the opposite direction. But even with their utmost effort, how could they possibly outrun a flood?
In an instant, it was caught up by the torrent, then completely submerged, and in an instant, it was broken down into bright red blood, becoming part of the torrent.

The land, spanning hundreds of kilometers, was instantly engulfed by the blood tide. This commotion surpassed even a normal battle between seventh-level immortals. The efficiency in destroying living beings was unbelievable; countless high-level life forms existed within such a vast area, yet they were all devoured and transformed in an instant. When the blood receded and was absorbed back into the eldest son's body, the land was barren. Any living thing had been destroyed in a flash.

This was the eldest son's most formidable skill. That crimson blood was originally what they used to create the biosphere. But now it was being used to destroy it, to reclaim everything within it. Tools that can be used for creation are often also the most powerful weapons of destruction.

After absorbing all life forms within a radius of hundreds of miles, the eldest son's previously weakened body rapidly began to repair itself. As his body grew stronger, new brain nuclei gradually grew; these super-life forms could control the function of almost every cell in his body. Therefore, even with the loss of most of his brain nuclei, his body could still rapidly regenerate through precise regulation.

Hei Cheng felt utterly humiliated. Just as his eldest son unleashed the Blood Tide, he had retreated to his dark prison, brewing his strongest killing move. Released through the Immortal Gu House, it was far from reaching the level of an eighth-tier cultivator, but barely reached the average level of a seventh-tier cultivator. Among seventh-tier cultivators, Hei Cheng was considered rather weak in combat. In a previous timeline, he had fought Fang Yuan, a sixth-tier cultivator, and had been completely overwhelmed by his opponent, who had just reached sixth tier.

This is partly due to the unreasonable nature of his ultimate move, but it also means that his strength is lacking at the seventh level, and many sixth-level cultivators with higher talent can defeat him.

However, if he were to control the Black Prison, the Immortal Gu House, relying on its own sturdiness and the combined effects of numerous Gu worms, could basically fight opponents far stronger than himself. Furthermore, given his own seventh-rank strength, displaying the combat power of a genuine seventh-rank expert would be entirely within his capabilities.

A series of translucent, black, pillar-like phantoms bombarded the direction of the eldest son, attempting to damage his body and expose his brain core, thus weakening the ability to kill this deranged being.

The output power of the Immortal Gu House is extremely high; under its relentless bombardment, it can flatten a mountain in a short time. But the eldest son's size is far greater than that of a mountain.

The world's highest peak is only a little over 8000 meters, which is only the size of a small tentacle to the eldest son. Each of the tentacles of the main trunk is over 100,000 meters long.

The relentless bombardment of the Black Prison was not ineffective; after several minutes of intense bombardment, a crater more than ten kilometers in diameter was blasted into the eldest son's body.

The scale of this pit is so large that it would take a long time to run around it even once; it's so magnificent that it could alter the climate of a considerable region. Imagine an ordinary person standing on the edge of that pit, looking down at the endless cliffs below—their legs would probably go weak with fear.

Compared to the eldest son's massive body, this crater was roughly equivalent to a small hole the size of a fingernail blasted into a human body. It wouldn't be entirely unharmed, but in terms of damage to overall combat effectiveness, it was practically nonexistent. The wound was merely a superficial breach.

Moreover, the eldest son's regenerative abilities far surpass those of humans. At the site of the tear, flesh and blood were rapidly healing. Granulation was growing, and if the tearing didn't continue, the area would quickly heal completely.

Hei Cheng calculated that even if he exhausted all his immortal energy and used up all his immortal energy stone reserves, the wounds he could create would only be a dozen times larger than the current ones. This didn't even include the consumption of his defensive, movement, and stealth attacks. Only after truly facing his awakened eldest son did Hei Cheng realize the extent of the creature's immense size. He no longer knew how to deal with such a massive creature. Perhaps only by reaching the eighth level, using output a hundred times greater than his own, and employing certain conceptual attacks involving the rules of this universe, could he possibly defeat this thing.

The distress signals from Black City have been sent everywhere. The elders of the Black family have all arrived silently, but they are currently hiding at a distance and haven't made a move. Although they are all from the same family, in this critical moment, everyone is looking out for themselves. The opponent is too strong; rushing in to save someone at this time would only mean putting themselves in danger.

Therefore, what was heard on the Black City's communication channel were immortals from other families speaking to him.

"Don't panic, we're here. Quickly send out the Black Prison. Your immortal energy is running low, so let those of us with plenty of it use it. Otherwise, we won't be able to repel this guy."

Hei Cheng felt a wave of dizziness upon hearing this. What did this mean? Wasn't it obvious? Was handing over the family's Immortal Gu House really to save him? How could that be? It was clearly a ploy to make him hand over his most precious possession first, to prevent its loss in later battles. This item was family property, invaluable in itself. Any Immortal Gu House could only be built with Immortal Gu as its core.

As for Immortal Gu, even a sixth-rank one is absolutely rare and highly sought after. Someone like Xue Songzi was considered a weakling among sixth-rank Immortal Gu, but even he was a fairly wealthy weakling. Even he had absolutely no chance of buying a sixth-rank Immortal Gu.

Even for a seventh-rank expert, a sixth-rank immortal Gu is something that can only be encountered by chance. If a wild one appears, it may even attract multiple seventh-rank experts to fight to the death for it. As a result, when the other elders of the Hei family arrived, their first thought was not to save people, but to take back the family's most precious property.

Hei Cheng knew from the telepathic message that the Immortal Gu House had been sent out that these guys had no intention of rescuing anyone. He didn't have many trump cards left, and if he lost the Immortal Gu House, he would have even less leverage to fight the eldest son. So he gritted his teeth and pretended not to hear, continuing to resist stubbornly, waiting to see if a stronger person would arrive sometime.
Indeed, more and more immortals were already spying from afar, including Fang Yuan, who had come to the Northern Plains intending to infiltrate the royal court's struggle and enter the royal court's territory as a mortal to seize the Eighty-Eight Corners True Yang Tower. However, as a transmigrator, Fang Yuan was currently bewildered. The eldest son was a peculiar creature that had never appeared in any timeline. He had absolutely no experience with such things, and couldn't even figure out how it had been summoned.

The Spring and Autumn Cicada cannot be used casually, and this thing seems to have been created by chance. He went back in time. By slightly altering history, perhaps not only the eldest son, but even the underground base would cease to exist, or something even more peculiar would be born at this point in time. Although Fang Yuan is still stuck at the moment before becoming an immortal, in terms of strength, he has already far surpassed Black City. He previously stole a large number of top-level killing techniques from the Mountain and River Republic, and acquired a large number of rare immortal industrial products through trade. Even though he seems to be at the peak of the fifth level, his combat power has far exceeded that level.

Even he was unwilling to confront the eldest son, a being he couldn't understand at all. Having secretly observed the situation, he had already detected the arrival of an even stronger being and decisively chose to conceal his presence with a deadly move. He would sit back and watch the tigers fight, observing how this battle of dragons and tigers would ultimately end.

Black City was gradually being driven into a desperate situation, with countless tentacles forming an inescapable net. Even more terrifying was that each of these tentacles unleashed a powerful killing move. During the process of devouring the grassland, a massive number of Gu worms were also swallowed up. The eldest son's learning ability was exceptional; after completely absorbing the remaining remnants of the underground base, although he didn't gain much useful information, he hadn't had time to destroy some of the Gu worm-related technologies recorded within. After being deciphered, these became part of the eldest son's knowledge. Furthermore, some unexpected events occurred at the time, allowing the eldest son to more effectively utilize this knowledge to unleash his killing moves.

So much so that the enormous tentacle unleashed a fiery sea of ​​light off the ground, countless plasma flames coalescing into spheres, resembling countless suns rising in the sky. This bombardment swept towards Black City; even the slightest contact would likely result in instant vaporization.

On the other side, the Azure Lotus Mountain pressed down, and the five-colored flags of the five directions had all gathered, unleashing a barrage of top-tier killing moves with overwhelming force. The fall of Black City was imminent.

But at that moment, an eighth-rank powerhouse finally couldn't hold back and made a move. As a veteran eighth-rank powerhouse in the Northern Plains, the Five Elements Mage finally stepped forward to stop this rampaging ultimate creature.

"You beast, stop! Do you intend to devour this entire grassland?" A five-colored light—blue, yellow, red, black, and white—brushed past, like the five-colored divine light from mythology. It actually blocked the attack of the five-colored flags' killing move, transforming into a five-colored city wall that protected the soon-to-be-destroyed Black City within.

Compared to the other regional powers in the Northern Plains, this individual, though not belonging to the royal court, possessed a stronger sense of responsibility. Finally, unable to contain himself any longer, he became the first to step forward and curb the natural disaster.

Once the eldest son displayed his top-tier killing move, the nature of the problem changed; this kind of natural disaster with the potential for growth is the most terrifying.

The eldest son also displayed due caution when facing the Five Elements Mage. In his perception, although the opponent was countless times smaller than himself, the energy contained within him was not much less. With such a high energy density, even if the total amount was less than his own, it was possible for him to unleash a more terrifying effect.

This caused the eldest son to enter a state of alert for the first time. He silently swallowed the lower half of Black City that had been forcibly torn off, and analyzed the composition of the lower half and half of the Immortal Gu House.

Meanwhile, in his spiritual world, hundreds and thousands of human souls were constantly analyzing these beings that had been devoured by the eldest son.

This all began shortly after the birth of the eldest son. The series of wars in the Northern Plains appeared to be merely affairs of this grassland, unrelated to the Shanhe Republic in the far south. However, the Shanhe Republic had already taken action. But to avoid arousing the vigilance of the Northern Plains forces, it never intervened on the main battlefield.

All they did was secretly rescue innocent civilians who died on the battlefield and those brave underground base warriors who perished in battle, because the stealth and killing techniques developed by the Shanhe Republic were powerful enough. Although the number of elite warriors they dispatched was small, they relied on their strong stealth capabilities and advanced technology that exceeded the expectations of other forces to silently and steal away tens of millions of souls without anyone realizing what was happening.

In other words, it was a war between the underground base and the Golden Family. Although the casualties seemed heavy, very few people were actually completely wiped out; the vast majority survived as spirits.

When the Firstborn descended, those truly prepared to step forward immediately were the ones who, like the tall figures in a collapsing sky, weren't from the underground base, but rather the warriors of the Mountain and River Republic, silently collecting the souls of the fallen. At that time, they genuinely possessed the ability to completely prevent the Firstborn's arrival, even after Xue Songzi and Black City arrived. They could have easily defeated them; they were completely disoriented. However, after discovering some problems with the descending Firstborn, they ultimately chose to observe, because the Firstborn's arrival might actually be an opportunity. The rules of the two worlds were different, causing the Firstborn, originally an ultimate being without any weaknesses, to possess an extremely difficult-to-capture weakness after its arrival.

The weakness lies in the strength of the soul. In this world, soul strength is primarily increased by devouring other souls, unlike the world the eldest son originated from. As a result, when the eldest son first descended, his soul was actually in a rather weak state. However, this isn't really a weakness. Firstly, even in its extremely weak state, in this world, it's comparable to a peak sixth-level Soul Dao expert, not a weakness that can be easily exploited. Secondly, when the eldest son descended, his soul strength was essentially blank, equivalent to that of a mortal. Mortals can easily strengthen their souls dozens or even hundreds of times by devouring other souls. The eldest son could do the same, as this is the rule of this world. Anyone can do it.

As long as he devours a large number of soulful lives during his growth, he can naturally strengthen his soul to a level that even the Ghostly Demon Lord would find difficult to destroy in a short time.

In the initial stages, the eldest son's soul strength did indeed have a slight issue. And coincidentally, a large number of extremely high-quality human souls resided within these warriors of the Mountain and River Republic. It's important to understand that the spiritual corruption between humans and evil gods is mutual. Evil gods, while corrupting humanity, are also being corrupted by human thought. In other words…

[To be continued]

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