When Yun You first found the archive room, she was quite pleased.

Because in a biological lab like this, the most valuable things are often not the equipment, not the personnel, not even the research subjects...

But the detailed documentation of the experimental process.

Don't be fooled by these things being just pages of A4 paper, grabbing a handful...

In reality, for those in the know, it is like invisible gold in each page, whether sold to the Black Market or to a company, it can fetch a huge sum.

Moreover, even without mentioning money, these documents should be able to reveal more secrets to Yun You and the others, possibly even unlocking the principle of the [mystery of immortality].

Its value is definitely not lower than those internal organs.

However, just as Yun You was about to break into the archive room to take all the documents with a smile, she suddenly discovered...

The transparent safes that were supposed to be filled with folders and document bags had already been pried open.

The bulletproof glass was shattered, and the locks split in half.

And the valuable documents inside had all vanished.

At that time, Yun You found it very strange.

From beginning to end, this laboratory had never been open to the outside world.

People outside didn't know this place existed, and those inside never managed to escape alive.

In such a closed-off situation, how did over 30 years of documentation in the archive room disappear without a trace?

Could it be the Headless Giant ate the documents? That was even more impossible.

So Yun You never understood, but due to the urgency of the situation then, she didn't think deeply about it.

Now, seeing the file in her hand, the little girl understood.

The documents most likely ended up in Aurora's hands.

The only unclarified part was why the archive accumulated over 30 years, which should have piled up into a mountain, ended up in Aurora's hands as just one small volume, seemingly less than a hundred pages...

"Could it have been burned to keep warm?"

Yun You thought about it, feeling a slight disconnect.

But after all, now was not the time for wild speculation.

"Let's look at these documents first."

She held the heart in her hand and casually flipped through the documents, glancing over them.

Unexpectedly, these documents were not dry and incomprehensible experimental data, but lines of "construction instruction" files.

Thirty years ago, when Xie Kang first came here, Yangshan Town was not as developed as it is today, only a few small wooden houses existed, and the people tricked here by "it" survived through hunting and some farming, with life being quite simple.

So, to expand the experimental site, Xie Kang established the "no going out at night" rule and slowly built various facilities with his private construction team.

Walls, warehouses, mines, production lines...

Gradually, he really created a "paradise outside the world."

Of course, the space Yangshan Town was located in belonged to the [Death Domain], resources couldn't compare with reality, even with much expansion, it couldn't sustain the food, clothing, and needs of over a thousand people.

Therefore, Xie Kang deliberately constructed two [Sentry Towers], ostensibly for sentry purposes, but in reality, at the base of the towers, there was a passage leading directly to the laboratory, used for transporting various supplies to satisfy Yangshan Town's needs.

Previously, when Yun You and the others explored the Sentry Tower, they found a layer of straw over ten centimeters thick covering the tower's floor.

At that time, they thought the straw was merely a byproduct of farming with no other use, hence stored in the tower... but now it seems it was used to disguise the secret passage.

And now, looking back at the three basic "rules" in Yangshan Town, which were "food, lodging, and travel" rules, they were also deliberately set by Xie Kang and his subordinates to ensure the smoother progress of the experiments.

Sometimes, the victims who came to the town wouldn't be immediately ensnared by "it" due to firm resolve. So Xie Kang and others added drugs to the town's provided food with a bit of blood from the Undying Internal Organs.

Once the victims consumed the food, they would gradually lose their sanity and become one of the townsfolk, which was the origin of the "all food must be eaten" rule.

Meanwhile, to monitor the victims, Xie Kang and others installed numerous pinhole cameras in the town's houses, which also explained the creation of the "no damaging the house" rule.

Regarding the rule of "not going out at night," naturally, it was to cover up the construction team's and experiment group's activities.

It's worth noting that the Protective Stone given to the three by Town Chief Kong Xian... who was also Heavy Hammer Vanguard Captain Shen Donglin, wasn't a trap set by Xie Kang and others.

The documentation didn't account for this Protective Stone... upon careful thought, it should be a protective tool brought by Hammer Vanguard, and it indeed had some effect.

Therefore, even under affected minds, the townsfolk firmly held onto the Protective Stones and distributed them to newcomers to resist "its" power.

Of course, the effectiveness of this item, well, it can't be said to be very useful, but better than nothing, it could probably act as psychological comfort...

This is the origin of Yangshan Town and the source of those rules.

Yun You always believed that although there are monsters in this world, there are no so-called "evil spirits or ghosts."

Everything seemingly bizarre or rules, fundamentally speaking, are merely tools manipulated by humans.

Humanity itself is the strongest, most evil, and most mysterious entity in the world.

And now, this puzzle-revealing file has proven her guess.

...

Yun You flipped through the pages quickly, and in no time, she had read through most of the documents.

On the last few pages, the girl found what she wanted to know.

It was a construction report about "special buildings."

[Regarding the treatment method for the "12.7" major construction accident]

[Yangshan Town Laboratory · Supervisor Xie Kang. Date: December 11, 2066]

[Our company has learned of the cause of the construction team's accident from our liaison]

[According to the liaison, when the construction team was expanding the Mine in the town, they discovered a large quantity of Flesh Barrier attached to the rock walls, intending to use explosives to detonate it, but were attacked by the barrier, resulting in over 30 casualties]

[Our company analyzes that this is most likely "its" handiwork]

[Its main body currently only has 5 internal organs, easily destroyed, with the critical heart located in the laboratory. Therefore, out of life-preserving instincts, it possibly employs certain special means to grow "external internal organ cells" elsewhere which connect to the main internal organ body]

[Judging by the characteristics of the Flesh Barrier, these cells likely originate from the heart]

[This is a special discovery, so our company requests the construction team to refrain from any action temporarily, to seal off the Mine internally, and to hand it over to our company for gradual research]

[For compensation, our company will allocate 30 million Yabi as experimental funds, as consolation payment to the families of the construction team's fallen workers]

[Also, please do not disclose this information, our company thanks you in advance]

[Sent by: Construction Team 03]

This is a fairly official "publication."

And at the back of the document lies a less official private publication, revealing the laboratory's true approach.

[The entire Construction Team 03 has been eliminated, bodies and post-operations handled by the company logistics team]

[Additionally: Request for the company to dispatch two more construction teams]

[Supervisor Xie Kang]

[Date: December 15, 2066]

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