After Cao Yu entered, Steward Yun immediately followed, with a look of hesitation on his face.

After struggling for a while, a touch of determination appeared on his face, as if he was planning to do a game in his heart.

After Lan Qiji entered, he was less than three steps away from Cao Yu, and within this distance, any attack that wanted to hit Cao Yu was tantamount to a fool's dream, unless it was a martial artist who was stronger than him.

Da-da!

There was silence, only the footsteps of a few people, in this corridor with only a faint light, the three of them did not speak, and Cao Yu had a smile on his face.

At the same time, I received the voice of Lan Qiji in my mind:

"Cao Shao, I'm afraid there will be fraud here"

With his Martial Emperor-level strong consciousness, he naturally had a stronger sense of smell.

"It's okay, look at it, my life and your life are in your hands!"

Cao Yu is right, after all, as soon as Cao Yu dies, Lan Qiji will also be killed immediately.

"Don't worry, this thing won't bother me!"

Lan Qiji just did that just to remind him, and he didn't pay much attention to the crisis here in his heart, because there were no Martial Emperor-level powerhouses in this city itself, so there were very few attacks that could threaten the Martial Emperor powerhouses.

As the footsteps went down, the light became dimmer and dimmer, and at this moment, a firelight flew towards Cao Yu at great speed.

"Be careful!"

As soon as Lan Qiji finished speaking, the blue flame was already about to fly in front of Cao Yu, but Lan Qiji's speed was not covered, after all, he was a Martial Emperor-level powerhouse.

With the palm of his hand, a True Yuan palm blocked the front, and suddenly a sneering sound sounded.

After a few breaths, he was slapped out by Zhenyuan's palm.

"Hehe!

Cao Yu said indifferently.

The meaning of his words made it difficult for Steward Yun to do, and he was not in a hurry to lose his temper, wanting to see what tricks this butler wanted to play.

"My lord, the old slave doesn't know about the situation here, and only the city lord knows about everything, I really didn't think about deceiving it!"

The cloud steward immediately stood up and explained.

Cao Yu said this, if he can't give a good reason, then his little life will come to an end!

"I hope so!"

Cao Yu looked at him coldly and said.

Then continue to walk down, for some reason, the further down he goes, the lower the temperature below becomes, and even Cao Yu feels a chill.

It's a bit weird, there's a pinch of flame coming out just now, but the temperature in the air is getting lower.

But there is one thing that Cao Yu doesn't understand, the flame emitted is actually a cold feeling.

It's just that Lan Qiji didn't say it specifically.

The chill was to the bone, and even a Martial Emperor Sevenfold cultivator like Cao Yu would feel cold, which was a bit unusual.

"What kind of medicine is sold in this city lord's gourd!"

Cao Yu muttered in his heart as he continued to walk down, and during this time, they had walked a distance of nearly a thousand meters.

A thousand meters underground!

This so-called library pavilion and exercise hall are really a bit boring!

Suddenly, a transparent crystal figure flew in again, and the momentum on his body was full of the strength of the Martial Saint.

Cao Yu's face froze, but he didn't panic, and Lan Qiji didn't hesitate, quickly blocking in front of Cao Yu.

As soon as one hand was stretched out, the transparent crystal was directly pinched, and the cloud steward in the back looked surprised, he didn't see this so-called martial emperor-level master really make a move, but just now, he asked himself.

"Insect carving skills!"

Lan Qiji snorted coldly, and squeezed it hard in his hand, and suddenly the transparent crystal monster full of bone-chilling chill was directly shattered.

It turned into a little ice crystal and fell to the ground, and soon turned into a puddle of water!

Cao Yu was also a little surprised, someone could refine a trip of water into an ice crystal monster, and the strength strength reached the seventh level of the Martial Saint.

This is no longer an easy means!

Glanced back at Steward Yun again, but didn't speak, Steward Yun's face turned pale, and he hurriedly explained again:

"My lord, these situations are really not clear to the old slave, and it is the first time I have seen this situation, and there are no such ghost things when the city lord came in before!"

After staring at Steward Yun for a while, Cao Yu turned around and continued to walk down.

This time, I walked nearly three incense sticks, and nothing appeared again, but it seemed that because of the large number of night pearls inside, it was obviously brighter.

Snow-white, this underground space is extremely spectacular, with rows of tall mahogany bookshelves placed in it, and as far as the eye can see, there are hundreds of thousands of bookshelves.

However, Cao Yu's words made Lan Qiji and Steward Yun almost choke on saliva.

"Is there only such a small collection of books in the large city of the dignified kingdom?"

There was a hint of disdain in the words.

This time, even Lan Qiji was very puzzled, although he was an alliance killer before, he also needed to master a lot of knowledge, so he would sometimes go to the library of the Bounty Alliance to learn some knowledge, which was also to prevent himself from ignorance of common sense or necessary survival knowledge.

After all, they are all people who live with their heads hanging on their belts, and if they are not careful, their heads will fall to the ground.

Therefore, every aspect needs to be learned!

Cao Yu's words seem to him to be a bit out of his head, after all, there are hundreds of thousands of bookshelves, even if there are only a hundred books on each shelf, there are 10 million books, if he is allowed to come and see, he may not be able to read them for a year and a half!

But his soul was enslaved by the Chaos Source Bead, so he didn't subconsciously show any contempt for Cao Yu.

But Steward Yun is different, although he doesn't know why Cao Yu wants to read these useless books, but as long as a normal person, who can read so many books!

At most, they can choose a few books they need, although with their level of strength, reading books is also very simple, and they can still easily do it at a glance.

However, time is precious, and they don't waste it in such a place.

Although he despised Cao Yu for pretending to be forced in his heart, he still explained honestly,

"My lord, of course, there is more than that, there is an entrance to the lower end at the other end, and the exercises and martial arts are also below."

When he said this, Steward Yun's face was obviously a little evasive, as if he was deliberately hiding something.

However, Cao Yu was thinking about absorbing the knowledge of these books, and he didn't care too much about what Steward Yun said, the key thing he heard was that there was still below, and the exercises and martial arts were also below.

Nodding his head, he didn't ask any more questions, he walked directly towards the bookshelf, and at the same time, the soul power in his mind had already spread wildly.

Turning his head to Lan Qiji, he said: "Lan Nu, I'll go shopping, you can just wait here, I'll greet you if you have something."

Without waiting for Lan Qiji to reply, Cao Yu walked directly to the bookshelves in a pretended manner.

He didn't care what kind of book it was, and the Chaos Library in his mind was frantically absorbing.

Although the soul has not been improved after breaking through the holy level, after a long time of condensation, he can already split into 10,000 shares, and at this reading speed, the books in this space will soon be read by him.

At first, he was afraid that the two of them would see the clues, but he was relieved when he thought about it.

Lan Qiji is his own slave, naturally he is not afraid that he will pass it on, or know his secret, another cloud steward, judging from his performance just now, Cao Yu has already marked him as a dead man.

The speed of his feet is fast, and the instantaneous speed is several times faster, and according to this efficiency, he can finish faster.

Although some of the books are similar to those of the Danta and Pan families, each faction has different information needs, so the corresponding materials and books will also have different tendencies.

The books here are classified and mixed, and there is information in any field, which is an eye-opener for Cao Yu.

"Huh, Gu Xuan Body!"

There are some key information that Cao Yu has always paid attention to, such as the whereabouts of the medicinal materials he is looking for, or the secrets about the mainland, and some Jedi with extremely rare heavenly and earthly treasures, which are all of his interest.

In addition, he has never forgotten the matter of his nephew's body, and when he thinks of that delicate and weak woman, Cao Yu really can't bear it in his heart, so he has been paying attention to the relevant information of Gu Xuan's body in his heart.

I didn't expect to find some clues in Frostfall City this time!

"The body of Gu Xuan, an extremely ancient race, was wiped out a long time ago, but there is a legend that has been circulating on the mainland, Gu Xuan appeared, and the world changed!"

That's the information Cao Yu got from it, but there was no other information further down.

This feeling made Cao Yu feel as uncomfortable as eating a fly!

However, there is a rather important piece of information.

"Ancient Xuanxian, heaven and earth change!"

That's a lot of information!

If what is said in this book is true, then the origin of the ancient mystical body is a little scary!

After all, it can cause great changes in the heavens and the earth, what a terrifying thing it is.

And what kind of change this is, everything is not good!

However, you can't just rely on one sentence to make a decision, you still have to gather other information before you look at it.

Although this information can't provide much help to Cao Yu, he still has some gains, and he is also thinking about it in his heart, and he will have to find a way to absorb the books in the big forces every place he goes in the future!

In this way, he will be able to obtain more and more information, and when he gathers enough information, he will surely discover some secrets.

Lan Qiji had just said before that it was extremely difficult to break through the Martial God, and there was no news about the way to leave this continent.

He had to plan ahead!

About half an hour, under the surprised gaze of the two, Cao Yu absorbed all the books and returned to Lan Qiji and Steward Yun.

The two of them saw that he was empty-handed, and he was really shopping!

He asked with some confusion: "Cao Shao, have you finished reading this?"

Lan Qiji said in a puzzled tone.

"Well, there aren't a few books, so it's not very enjoyable to read!"

Cao Yu said casually, with an unfinished expression on his face.

Not only Lan Qiji, but Steward Yun also had a look of disbelief on his face, and he was secretly scolding in his heart, this so-called Sect Master of the Heaven Killing Sect didn't see the real ability, but the bragging ability was first-class!

Seeing that the two of them didn't believe it, Cao Yu said unhappily: "You don't believe it?"

Being asked by Cao Yu like this, the two naturally didn't dare to be disobedient, and hurriedly nodded and said: Of course I believe that Cao Shaonai is a peerless genius!

"Yes, yes, yes, my lord's miraculous skills are against the sky, how can we ordinary people see through it?"

This was perfunctory when he heard this, Cao Yu knew that it was a lie to him, so he didn't dwell too much, and said to the two: "Let's go, continue to the next layer!"

didn't wait for the two to talk, and walked forward on their own.

Seeing that Cao Yu didn't care, the two of them were a little shocked in their eyes, judging from this situation, it is really possible for Cao Yu to finish reading all the books!

One word popped into their minds at the same time!

"Reading Maniac!"

Walking to the other side, there is indeed an entrance, but it is indeed a little weird, there is no staircase down, only a hole of less than one square meter.

An extremely cold air poured from beneath the hole.

Cao Yu did not go down alone, but waited for the two to arrive.

"Cao Shao, are you sure you want to go down? I'm afraid there is something strange in here!"

After coming over to take a look, Lan Qiji asked.

"If you don't enter the tiger's den, you will get the tiger!"

Cao Yu felt the cold air gushing out from below, and said lightly.

In his thoughts, wherever there are ghosts, there must be cats, and here it is cold, to say that there are no good things, he really doesn't believe it.

"Okay, this time I'll go ahead, Cao Shao, you follow behind me, and if there is danger, you can find it as soon as possible!"

Hearing this, Steward Yun's face was a little unnatural, if he was the one who was present and wanted something to happen, he would definitely be Lan Qiji, this martial emperor-level powerhouse, killing him was like killing a chicken.

With his presence, Cao Yu can be said to be very safe!

This time Cao Yu did not refuse!

He didn't want to pretend to be forced, in this dangerous situation, someone was blocking the knife in front, he was naturally happy!

"Let's go!"

With a command, Lan Qiji grabbed Cao Yu's arm and jumped down.

Leaving a hesitant look on the cloud steward, if it is according to his own wishes, he will definitely not want to go down, he has followed the city lord down before, he knows the danger below, before the city lord has special means of protection, but he is not worried, now he relies on his own, I am afraid that it will be more auspicious to go down.

However, when he thought of the horror of Cao Yu and Lan Qiji, he still put aside the idea of fleeing from here and jumped down.

With a bone-chilling chill, the three figures are falling rapidly!

At this moment, in the next layer of space under the hole, an extremely cold and ruthless eye opened!

"Fresh meat is here again, that damn bastard, it's finally changed!"

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