Everyone rushed forward and looked through the cracks in the stone door that was gradually opening.

Strangely, there was still light reflected inside, but it didn't feel like light from a torch.

Could it be that these glowing stones absorb the light of the torches through a stone door?

It's outrageous.

The stone door opened wider and wider, and the scene inside was finally completely presented to everyone.

Seeing what was going on inside, everyone looked back at the secret room they were in.

The secret room that was just opened was exactly the same as the secret room where everyone was. The only difference is that there is a circular stone platform in the middle of the secret room in front of it, and there seems to be a lid on it.

Li Si knew that everyone didn't dare to enter the secret room in front of him, so he took the lead in walking into the secret room in front of him.

Ying Zheng followed Li Si forward.

Only then did the craftsmen follow Yingzheng into the secret room. The people in the back marked the inside of the stone gate with torches.

Li Si and Ying Zheng walked to the front of the circular stone platform together, and looked up and down, this stone platform was more like a place to put things.

"Remove this stone cover." Ying Zheng pointed to the lid above the stone platform and said.

Several craftsmen gathered in front of the stone lid and forcefully removed the lid.

The rest of the people were staring at the inside of the stone platform, and sure enough, it was hollow, and there was something in it, but fortunately no more traps were triggered.

Li Si walked to the stone platform, leaned down, put his hand into the inside of the stone platform, and took out a brocade box from it.

When I opened the brocade box, I saw that inside was a letter made of brocade silk, which did not look like an antiquity.

Li Si took out the letter and handed it to Ying Zheng.

Ying Zheng knew that this was a letter left by the old man in white, so he took it and opened it.

Although Jing Fan and the others were a little confused, they knew that there was also some hidden secrets in this, so they didn't want to ask too much.

This letter was written in Huaxia Chinese, but fortunately, Ying Zheng had done a Huaxia font library before and had memorized all Huaxia by heart.

The letter reads:

Qin Wangzheng:

By the time you read this letter, you must have completed the requirements of the first three layers and reached the fourth level, and the real test for you has only just begun.

The structure of this fourth layer is a labyrinth formed by many intricate secret rooms connected together, but you don't have to worry, as long as you use a little means, you will not get lost in this labyrinth.

The reason why the mausoleum was built like this is because every secret room here hides an ancient book, and the ancient books you got before were obtained here to get the first three floors.

These ancient books are the efforts of the predecessors, and they are also very precious treasures for the world, you can choose some for the benefit of the world, but they need to be kept secret, and they must not be leaked.

"The First Evolution"

What is hidden in this secret room is the pattern of the single secret room, and the introduction of the secret stones that make up this secret room.

Don't underestimate this kind of dense stone, its manufacturing is extremely difficult, only really learn its production method, in order to have the conditions and qualifications to imitate the construction of this royal tomb.

The last special secret room on the fourth floor hides the secret method of making Jiuding, and the task of this layer is to imitate the secret stone and Jiuding.

Although it is difficult, it must be difficult for the current King of Qin.

That's all there is to the content of the letter, and the payment is a senior in white.

Ying Zheng read it carefully again, and then put the letter away and put it in his arms.

The reason why the old man in white left a letter here and didn't let Li Si pass on the word must be that there are many things that even Li Si doesn't know, or it is inconvenient to know.

Under the letter, there is also a shiny cloth on the surface, which looks a little old, presumably not the old man in white just put it here, it should be some years.

Ying Zheng opened the cloth, and sure enough, it was an explanation for introducing the dense stone.

It turned out that, as Jing Fan said, the stone built into the secret chamber was really not a naturally formed rock, but a volcano

The magma is cooled and then specially treated to remove impurities, so that there are no impurities and textures like natural rocks, and it can be formed into a variety of shapes, and then coated with paint, it can be preserved for thousands of years.

As for the principle that this dense stone can emit light, it is not mentioned in the cloth introduction, presumably it is related to the construction of this royal tomb, not the function of the secret stone itself.

There is still a cloth left, which is naturally the structural diagram of this dense stone.

Because these cloths are all in Huaxia and are not written in Qin script, Ying Zheng put them in his arms, and he needs to go back and transcribe them into Qin before he can be handed over to Jingjiaban.

After putting away the letter, Ying Zheng walked to the stone platform again, only to see that there was something similar to a wine lord in it.

Ying Zheng leaned over and took out the object, but after taking a closer look, he was stunned.

This is a wine-jue, but a shrunken one of the nine tripods, look at the material, it is made of dense stone.

"Sir, look." Ying Zheng handed Xiao Shiding to Li Si.

Li Si took the small stone tripod and looked at it carefully.

The elite craftsmen of the Jingjia class studied Jiuding in Lü Buwei's mansion for more than a year, and they didn't recognize it, so they came over one after another.

"This is, Jiuding made of stone?" I don't know who asked.

"Looks like so."

"It's so exquisite, it's almost as good as bronze."

"Still, you can see that it doesn't look like it's carved."

The crowd began to talk about it.

is worthy of being the top craftsman of the Jingjia class, and you can see at a glance that this small stone tripod is not carved.

Ying Zheng raised his hand and signaled everyone to be quiet.

There was silence in the chamber.

The letter said that the task of this fourth layer is to imitate this dense stone, and Jiuding. And its production method is in these secret rooms. Ying Zheng said.

"Then king, shall we continue to move forward, or shall we go back first, get ready, and then come in and explore?" Li Si asked.

Ying Zheng thought about it for a moment and said, "Presumably everyone is hungry, let's go back first, make sufficient preparations, and let's explore again." ”

Everyone secretly breathed a sigh of relief, after all, exploring in this thousand-year-old tomb, the pressure in their hearts was still not small.

Exiting the secret room, everyone rekindled their torches and followed Li Si back to the ground.

Jing Fan took the people from the Jing family class back to Jingyao.

Ying Zheng and Li Si went back to the dormitory.

After returning to the study and sitting down, Ying Zheng eased his mind, and then took out the small stone tripod and asked Li Si: "Sir, how much do you know about this kind of secret stone?" ”

Li Si arched his hand and said: "Back to the king, Weichen doesn't know much, it is said that the mausoleum built by the inheritors of the past dynasties, its core seems to be made of this dense stone, according to legend, only the use of this dense stone, in order to make the building extremely strong, and then with a unique construction process, it can stand for tens of thousands of years." ”

"Ten million years?" Ying Zheng was taken aback.

It is easy to stand for a thousand years, and the Mausoleum of King Wu of Zhou is an example, but standing for 10,000 years, this cannot but be amazing.

Li Si smiled and said: "For this, it can also be regarded as a legend, after all, there is no example to verify, if there is any earthquake or volcanic eruption, these buildings may not be harmed." ”

Ying Zheng frowned, as if he had thought of something, and asked: "Except for the tomb of King Wu this week, sir, where are the tombs of the previous Tiancheng predecessors?" ”

"This question, for the king, it is not difficult to guess." Lees said.

Ying Zheng smiled bitterly and pointed at Li Si, and said, "Mr. is playing dumb riddles again, is it possible that he wants to ask the widow what questions and let the widow find the answer by himself?" ”

Li Si arched his hand and said: "Don't ask this time, I think the king can think of it." ”

Ying Zheng stood up, paced slowly, and entered a state of thinking.

After thinking for a moment, Ying Zheng stopped

Stopped, and analyzed: "Before we were in Lishan, Jairus asked the widow to build the mausoleum there, in order to cover the fire eye there from being discovered by the outside world. At that time, the widow thought that the construction of the mausoleum of the Heavenly Inheritor was not a trivial matter, and this request of Jianwei was obviously discussed with the white-clothed seniors. ”

"In other words, the place where this mausoleum was built is either in the place where these nine guardian beasts protect the Heavenly Eye, or it is the place where the ancient ruins discovered by the predecessors of the Heavenly Inheritance."

"Didn't Mr. say that there are several places named after emperors, such as Shennongjia and Huangshan, which are named after Shennong and the Yellow Emperor respectively, so few people guess that these two places are not just named after them."

Ying Zheng means that Shennong's mausoleum is in Shennongjia, and the mausoleum of the Yellow Emperor is in Huangshan.

Li Si's smile was even stronger, and he said: "This point, but what the king himself guessed, it is not that Li Si is soft-mouthed. ”

Both of them laughed at the same time.

After laughing, Li Si asked: "It's not difficult to guess this place that guards the Heavenly Eye, but how did the king guess this land of ancient ruins?" ”

Ying Zheng said: "It's not that this Zhou Wuwang Mausoleum told the widow. According to the rules of Tiancheng, King Wu of Zhou should be the last predecessor of the widow, but the mausoleum of his old man was not built in the place of guarding Tianmu. ”

"Then, the only possibility is the place where the predecessors of the Martial King discovered the ancient ruins."

"And what is found in this ruin, it is expected to be the well-known in the world - "Zhou Yi".

"Hahaha......" Liss laughed.

Li Si is rarely so uninhibited, he is happy not because Ying Zheng guessed something, but because he is happy from the bottom of his heart when he sees Ying Zheng's growth.

Ying Zheng sat back in his position, his eyebrows were slightly tight, and he said in a deep voice: "It's just about this secret stone, but it has caused a few points of confusion among the widows, why is there a lot of confusion left in this secret stone, but it only introduces the origin of the secret stone, but does not make the secret stone, which is called how the widow imitates." ”

Indeed, the paper only says that the stone was made of lava from a volcano, but the specific method of preparation is not detailed.

"For this, Weichen really can't help." Li Si sighed lightly, "It is said that the secret books for making secret stones have always been directly passed down. The reason why Shizun didn't do that for the time being, presumably there was another purpose, so he could only wait for Shizun to arrive as scheduled. ”

Ying Zheng nodded slightly and said, "It seems that this is the only way." ”

"The king doesn't have to worry about delaying the construction of the tomb in Lishan because he can't make a secret stone." Li Si said, "In this fourth layer, there should be a construction pattern of this mausoleum, with this pattern, you can start digging first, and after the excavation is completed, the master will also come to meet the king, and then the king can make this secret stone." ”

When Ying Zheng heard this, his brows furrowed, and he smiled: "This is a good idea!" ”

Li Si smiled and added: "In this case, it will not make Jairus misunderstand why we have not gone to Lishan to start the construction of the mausoleum." I'm just afraid that this maze is too cumbersome, and the time will drag on for a long time. ”

"This is not in a hurry, after all, the things hidden in each of these secret rooms are very important treasures in the world, and it is a good thing not to leave one behind, and to investigate carefully."

Li Si nodded in agreement.

"By the way, sir, there is still nothing unknown about the widow." Ying Zheng asked, "Why, those successive Tiancheng predecessors have built extremely strong mausoleums, but there are no legends in the world, and only this is the tomb of King Wu of Zhou?" ”

"That's because ......," Liston paused before he said, "there is another rule in the Tiancheng lineage, that is, after the successive Tiancheng have built their own mausoleums, they must activate some of the organs of the previous mausoleum, bury them, and permanently isolate them from the world. ”

"What?" Ying Zheng's eyes widened.

Is this fair to the successive inheritors of hard work?