Mortal blood!

"Oh? Fairy, what can you do? Tell me. To be honest, I have been stuck in the bottleneck for a long time. If I can really break through, I will naturally be grateful to you."

Lin Fan looked surprised, and his eyes were full of expectation.

Cui Yuru smiled: "Brother Lin, do you know about the Immortal Prison Cage and the Demon Saint Ancient City?"

"This... forgive my ignorance, I have never heard of it." Lin Fan said.

"Brother Lin, this Immortal Prison Cage is the name given by our Tianyun Realm immortals to a piece of ancient True Immortal Realm relics. There are not many immortals living in that ancient True Immortal Realm relics. But there are a large number of demons living there. Until now, there are still powerful demons. Any immortal who enters it, seven or eight out of ten cannot come back alive, and over time it is called the Immortal Prison Cage. As for the Demon Saint Ancient City..."

Speaking of this, Cui Yuru's expression suddenly became serious.

With a wave of her hand, a soundproof ban instantly enveloped her and Lin Fan.

"Brother Lin, this matter involves some secrets of our Cui family, so I would like to confirm with you again and again, are you really going to the Immortal Prison Cage? If possible, I can tell you in detail."

"Fairy, although I don't know much about the Immortal Prison Cage. From your explanation, I also know that the Immortal Prison Cage is extremely dangerous. What the fairy means is that you want me to break the current bottleneck through life and death challenges again and again, right? If so, I can give it a try!"

Cui Yuru looked overjoyed.

He nodded repeatedly and said, "Brother Lin is really smart. Since you have agreed to go to the Prison Immortal Cage, I can tell you in detail about the Ancient Demon Saint City."

"The Ancient Demon Saint City is said to be a cave of the Demon Saint in the past, in the Ten Thousand Demon Mountains at the deepest part of the Prison Immortal Cage."

"There are countless powerful demons and many ancient demon beasts there, so it is naturally dangerous."

"But, there is a soul-quenching fairy spring in the Ancient Demon Saint City, which is a rare soul-quenching fairy item. If we, the immortals in the Daluo Jinxian realm, enter it to temper our souls, we can increase our success rate by 30% when breaking through the realm of the Immortal Saint. I wonder if Brother Lin is tempted?"

Lin Fan was shocked.

It is indeed worth a try to increase the success rate of breaking through the realm of the Immortal Saint by 30%.

Even if Cui Yuru exaggerated, it is worth Lin Fan taking some risks.

"If this is true, I will naturally not refuse." Lin Fan said.

"If so, then it's settled." Cui Yuru smiled.

After a pause, Cui Yuru smiled and said, "Brother Lin, I remember that when we were in Kunwu Immortal Mountain, you seemed to be interested in our Cui family's Sutra Pavilion. Now that you are in Tianyun Immortal City this time, why don't you come with me to take a look?"

"Thank you, Fairy Cui, it would be great if that's the case." Lin Fan smiled.

The purpose of his coming to Tianyun Immortal City this time was to enter the Cui family's Sutra Pavilion and find books about the short-lived curse for reference, wasn't it?

Now, since Cui Yuru invited him, it was just what Lin Fan wanted.

Soon, when Lin Fan and Cui Yuru left the cave where Lin Fan rented, they came to the Cui family's Sutra Pavilion.

Before Lin Fan could enter, the pressure of two half-step Daozu realms instantly locked Lin Fan.

Seeing this, Cui Yuru quickly took out her identity token: "Two elders, this fellow Lin is my friend. He wants to come to our Cui family's Sutra Pavilion to read. Please help him."

"Oh? So he is your friend, Yuru. If so, please come in. However, you must tell your friend the rules of entering the Cui family's Sutra Pavilion, so as not to violate taboos."

"Yes, elders!"

Cui Yuru agreed.

The protective array light curtain covering the Sutra Pavilion suddenly had a hole.

Cui Yuru held the token and took Lin Fan directly into it.

After a while, the two appeared inside the Sutra Pavilion.

This is a small building with ten floors.

In the small building, there are bookshelves everywhere for storing classics.

The bookshelves are divided into different categories: refining weapons, refining pills, refining souls, immortal medicines, races, etc., for the convenience of reading immortals.

Looking at the vast Sutra Pavilion, Lin Fan was also shocked by the scene in front of him.

"The Cui family's Sutra Library is indeed magnificent. Just to collect these classics, the Cui family must have spent a lot of effort, right?" Lin Fan said.

"Brother Lin, these classics were collected by our ancestors of the Cui family with great effort. They are the masterpieces of several generations of our Cui family. They contain everything."

"Brother Lin, you can read any classics you want."

"But our Cui family has an unconditional rule. The things in our Cui family's Sutra Library can only be read and not taken out. They cannot be copied or transcribed."

Fairy Cui explained.

Lin Fan nodded: "Thank you for the fairy's reminder. If so, can I read these classics?"

"Brother Lin, please feel free to do so. When you take these classics, just use my token."

Cui Yuru smiled and handed the token in her hand to Lin Fan.

Lin Fan was not polite. After taking the jade token, he started to read directly on the first floor.

The Cui family's Sutra Library contains a lot of classics.

Moreover, it is also systematic.

This brought a lot of convenience to Lin Fan's reference.

In just a moment, Lin Fan was immersed in it and could no longer extricate himself.

Seeing this, Cui Yuru didn't say much.

She left the Sutra Library directly.

Unexpectedly, while Lin Fan was constantly reading the classics in the Sutra Library, a ruddy young man was quietly standing under a tall peach tree in a unique courtyard of the Cui family.

The pink peach petals slowly fell from the branches with the wind, swaying and falling at the man's feet.

However, the man looked at the direction of the Cui family's Sutra Library with a stern look and sneered.

"I didn't expect that Yuru, this girl, actually found a helper of the middle stage of the Daluo Jinxian for herself. Haha, it seems that she has given up the opportunity to compete with me for the next head of the Cui family?"

"If so, I really want to thank Yuru."

When the man said this, he didn't know why, and suddenly frowned.

A faint voice sounded immediately.

"Liao Ying, come out!"

"Yes, master!"

Soon, an extremely dim figure appeared in the man's shadow.

Not long after, it turned into a charming female cultivator in black robes.

The whole body of the female cultivator was shrouded in a cloud of black mist, making it impossible to see her face clearly.

But through the black mist, one could vaguely see her curvy figure.

This made people imagine more.

"I asked you to go to the Sutra Library and stare at the things Yu Ru brought. I wonder if you have any gains?" the man said.

"Reporting to the master, I don't know what to say."

"Oh? But what is so special about that person?"

"This... I will tell you in detail, and please make your own decision."

The man nodded: "If so, tell me in detail."

"Master, since that person entered the Cui family Sutra Library, I have been watching him by his side. But I found that he was very fast in reading the classics. It only took him a few days to read all the books on the first level. As for the second level, it only took eight days."

"Oh? Such a fast reading speed can only mean that he was not very careful when he flipped through the classics. What is there to pay attention to about this guy?" the man asked in confusion.

After a moment of silence, the man said, "I think he is probably another guy who likes to put on airs. If so, you don't have to stay in the Sutra Library all day to monitor him. It's better to keep an eye on Yu Ru."

"Yes, Master!"

Liao Ying agreed and left immediately.

The man looked in the direction of the Sutra Library, thinking.

"Haha, this guy is quite interesting. Is he planning to attract the attention of our Cui family elders by reading books at a very fast speed, and then become a vassal of our Cui family? If so, he is wrong. Our Cui family never keeps useless people!"

...

Lin Fan, who was in the Sutra Library, patiently looked at the various books collected by the Cui family and was fascinated.

Immersed in the vast sea of ​​books, Lin Fan didn't feel bored at all.

During this period of time, he had a more thorough and comprehensive understanding of the entire Upper Thirty-three Heavens.

He even gained a lot of knowledge.

It made up for Lin Fan's shortcomings of not knowing too much about the common sense of the Upper Thirty-three Heavens.

However, there are too many classics in the Cui family's Sutra Library.

Even though Lin Fan was eager to immerse himself in the Sutra Library every day, it took him several months to finish reading all the classics.

What disappointed Lin Fan was that although there were many classics in the Cui family's Sutra Library that mentioned the short-life curse.

However, the most critical part was deliberately hidden.

"It seems that the short-life curse is not simple. Even in the Cui family's classics, there is only a record of the name of the short-life curse."

"The detailed record of the short-life curse is not mentioned in the Cui family's classics."

"I want to continue to understand the short-life curse, I have to find another way!"

Lin Fan muttered secretly.

Thinking that he had been in the Sutra Library for a long time and had read all the classics, he didn't need to stay in the Sutra Library any longer, so Lin Fan disappeared immediately.

When he appeared again, Lin Fan was already outside the Sutra Library.

At this moment, the man who had seen Liao Ying was standing quietly outside the Sutra Library.

Seeing Lin Fan coming out, he actually smiled at Lin Fan.

"This is Yu Ru's friend, Fellow Daoist Lin, right? I am Cui Yushen, the third son of the Cui family. May I ask, Fellow Daoist Lin, have you gained anything from our Cui family's Sutra Library?"

Lin Fan didn't know what Cui Yushen's purpose was.

After a moment of silence, he said, "Although the Cui family's Sutra Library has many books, it doesn't help me much."

Cui Yushen couldn't help curling his lips when he heard this.

Just as he was about to speak, a beautiful figure suddenly shot over from a distance.

It was Cui Yu Ru.

Seeing Cui Yushen and Lin Fan standing together, Cui Yu Ru immediately said in a cold voice: "Third brother? Why are you stopping Fellow Daoist Lin? He is my friend."

Cui Yushen smiled faintly.

He swept his contemptuous eyes over Lin Fan: "Haha, Yu Ru, I am also very curious about your friend. However, your friend seems to be a little... useless."