Haoyun and the others hoped to learn more about the Savior from Karl, but Karl repeatedly stated that he didn't know much about the Savior itself. He earnestly suggested that they should read through written materials to personally appreciate the various kindnesses the Savior had bestowed upon this world, as a sign of respect. Therefore, the three didn't press Karl for more information about the Savior, lest he feel they were disrespectful towards them.

Thinking of this, Dream Jia adjusted her emotions and then turned to look at the vehicle hovering beside her, exclaiming, "No wonder the equipment you guys possess looks so advanced. It turns out they were made using technology imparted by the Savior!"

"Yes! Without the technology provided by the Savior, we humans wouldn't have been able to resist the Xibo people for over ten thousand years. However, there's something that we've never quite understood," Karl said after a sigh, then continued in a quieter tone.

"What's the issue?" Dream Jia asked.

After a brief moment of thought, Karl described his view in as concise language as possible: "Logically speaking, once humans mastered the technological knowledge provided by the Savior, we should have been able to easily manufacture even more advanced aircraft. However, the reality is that aviation technology has become an eternal technological barrier for humans. Even our top scientists today cannot manufacture flying machines capable of soaring in the sky. It feels like humans have been completely deprived of the ability to produce aircraft. No matter how our scientists research and develop, the machines they produce can only hover close to the ground. Moreover, many people feel as though there is a mysterious force that has been preventing us from advancing and reclaiming lost aviation technology. Its purpose seems to be to deprive humans of air combat capability and trap them in a bitter ground war against the Xibo people."

"Do you know where this mysterious interfering force comes from?" Dao Lao asked, stroking his white beard.

"It's just a feeling that exists in our hearts universally. Currently, there is no evidence in reality to prove its existence. So, this situation might be nothing more than a kind of conspiracy theory imagined out of anxiety over our long-term inability to defeat the Xibo people," Karl replied, shrugging.

Karl adjusted his emotions again and continued, "However, after acquiring the new technology provided by the Savior, humans have still managed to manufacture many advanced pieces of equipment and significantly enhance their ground combat capabilities. This means that even in close combat with the Xibo people, we are no longer defenseless."

"To be honest, the combat power of the Xibo people themselves isn't particularly strong. Their most powerful offensive means is the ability to send forces to the battlefield using teleportation gates without restriction. They continue to attack our defenses in a continuous wheel battle, causing huge casualties to us. But now, with the strong support of the Savior, the Xibo people's tactic of overwhelming us with sheer numbers is no longer as effective as it used to be. This has led to the current situation where humans and the Xibo people are deadlocked and find it difficult to completely defeat each other."

"Ah! I wonder if we will have the chance to meet these great saviors?" Haoyun asked, pretending to admire after hearing Karl's introduction. Of course, the reason Haoyun wanted to meet the Savior was not because he genuinely admired them, but because he wanted to confirm whether these saviors had any connection with those two mysterious individuals or with the mold spirit energy.

"It all depends on your luck! In order to spread the will to resist the Xibo people better across the world, the Savior is constantly traveling between the main human cities worldwide on ordinary days. So, even for us, it's not always possible to meet the Savior at any time. But you can rest assured, because the Savior will come to Lena Tower City sooner or later, and you will have the chance to meet them," Karl replied.

Dream Jia and Dao Lao understood Haoyun's thoughts, but in order to prevent Haoyun from showing too obvious an emotion of wanting to meet the Savior, lest Karl become wary of Haoyun, and also to help Haoyun calm down his impatience to capture the two mysterious individuals as soon as possible, Dream Jia reached out and pulled Haoyun's arm before asking curiously, "Karl, can you give us a more specific introduction to those Xibo people? What species do they belong to? Why do they look so strange?"

Karl answered somewhat awkwardly, "Um, although humans have been fighting against the Xibo people for more than ten thousand years, our understanding of them is still very limited. Like the boss said earlier, the Xibo people are a kind of biomechanical organism. And as you can see, aside from their special mouthparts, the upper bodies of the Xibo people are actually quite similar to humans. According to our scientists' research, although the upper body skeleton of the Xibo people is made of metal, their skin and the tissues growing beneath the skin above the metal skeleton are almost identical to humans. Of course, the internal organs of the Xibo people do not serve any substantial functions. These organs seem more like a kind of macabre pleasure preserved inside them by their creators."

Upon hearing this, Dream Jia suddenly realized and said, "No wonder you said that you would hide the bodies of those fallen soldiers. It turns out that you did it to prevent the Xibo people from collecting those bodies and using them to create new Xibo people!"

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Karl shook his head and said, "No, no, no, Jia, you've misunderstood! The Xibo people don't need to use human corpses to create new Xibo people. In fact, the reason we hide the bodies of sacrificed soldiers is because their bodies will return to nature shortly. According to a rumor that has been passed down since a long time ago, all dead humans will be reborn in various forms on Earth NX after returning to nature."

Carl glanced at Haoyun and the others before continuing, "Although it's just a legend, it cannot be denied that whenever someone dies, new life suddenly appears somewhere in the world corresponding to the number of deaths. Most of these beings appear fully mature, as if they were refreshed, just like you. Therefore, whenever someone dies, we try to ensure their bodies return to nature in the most intact form possible. This allows them to be reborn with healthier and stronger bodies."

"Heh! You don't seriously think we're refreshed from those dead humans, right? Even though we don't know how we came to be, your explanation is too absurd!" Haoyun safeguarded his 'little white' persona bestowed upon him by Carl while questioning.

"At first, we also thought it was absurd. But with the invasion of the Xibo people and the increasing number of 'little whites' appearing worldwide, humans had to reconsider this legend. Some even began to believe that the appearance of 'little whites' might be a continuous negative consequence caused by the Xibo people deploying reinforcements to Earth through some means. After all, 'little whites' only appeared after the Xibo invaded Earth. Of course, this negative impact is only seen from the Xibo's perspective. The appearance of 'little whites' effectively resolves the human population shortage caused by war, ensuring that the resistance always has sufficient manpower to counter the Xibo's attacks," Carl explained.

Although Haoyun and his group privately agreed earlier that Earth NX might experience various peculiarities due to the Great War of the Gods and the chaotic energy flows of black holes, they didn't find this the most reasonable explanation for the appearance of 'little whites'. However, they expressed firm belief in this widely circulated legend and continued to maintain their identities as 'little whites'. Hence, they avoided debating further with Carl on this matter.

Dao Lao interrupted Carl, who was about to further explain the reasonableness of this legend, "By the way, Carl, have you studied the Xibo people's body structure? Since they are highly advanced robotic beings, once we understand their manufacturing technology, won't we find their weaknesses and crush them completely?"

Carl replied somewhat helplessly, "Ah, our ancestors began studying the structure of the Xibo people a long time ago. Therefore, after every battle with the Xibo, we collect several intact Xibo corpses to bring back for scientific research. However, embarrassingly, after all these years, we still haven't made any breakthroughs in our study of the Xibo. Because—"

Here, Carl frowned slightly before continuing, "Because, through generations of scientific research, we've found that while the mechanical structure of these Xibo is intricate, their level of mechanical manufacturing technology isn't beyond our reach. Anyone with a deep understanding of mechanical design, manufacturing, and related electronic technologies can easily replicate exact copies based on the original Xibo designs."

"In fact, the technological complexity required to manufacture Xibo is not even as high as that required for the highly intelligent robots we autonomously develop. However, the problem lies in the fact that the more sophisticated high-tech robots we produce

currently can only perform programmed activities based on manual instructions. In contrast, despite their relatively primitive manufacturing technology, the Xibo possess the ability to coexist with biological tissues and exhibit far more powerful active capabilities, enabling them to engage in combat in diverse and complex scenarios."

"Alas! Faced with this situation that defies scientific logic yet exists before our eyes, we can only marvel at the unfathomable extraterrestrial technology behind the creation of these Xibo and attribute their existence to mysticism!" Carl sighed with resignation.

"According to Carl's explanation, these Xibo indeed adhere closely to the working principles of high-intelligence bionic mechanical beings from the lower realms. Moreover, the simpler the construction found in these high-intelligence technological machines, the more it underscores the sophistication of the technology used to manufacture them," Dao Lao analyzed via their private communication channel as Carl spoke.

"But if the construction of these Xibo is so simple, what drives their execution of combat tasks in complex battlefields? Could it be powered by energy converted from mold spirit energy?" Haoyun asked, puzzled, as he considered the Countess's ability, which indeed could achieve this.

"It might be powered by mold spirit energy, or it could be some other form of latent magic energy present in the lower realms. However, I did not detect such energies from the Xibo encountered earlier. Plus, with the malfunction of the mold spirit energy tracking system, we can only consider this as a possibility. But besides this, there's another possibility: they use some kind of advanced intelligent chip to control the bionic activities of the Xibo," Dream Jia suggested.

Dream Jia then refocused on reality and asked with less explicit language, "Carl, have you found any controllers inside the Xibo?"

"Yes. Our scientists discovered something similar to a chip inside the Xibo long ago, highly suspected to be a remote controller specifically used to manipulate the Xibo. However, after repeated studies, scientists concluded that even if placed on Earth NX, the chip isn't particularly advanced. Hence, it can only execute simple instructions and lacks the ability to process complex information," Carl replied with a shrug.

"What about their mouthparts?" Haoyun imitated a Xibo mouthpart by puckering his lips.

"The trumpet-like mouthparts of the Xibo do indeed receive and transmit information, crucial for tracking the pheromones emitted by humans. This was confirmed by scientists many years ago. However, upon dissecting the Xibo's mouthparts, scientists found only a structurally primitive helical pipe inside. Their mouthparts are nothing more than ordinary spiral switches, with no special features whatsoever," Carl replied with an outstretched hand.