Shenyin Mountain and Sea Sutra Text Volume Chapter 1023 Mingchuan Yin and Yang Transformation Latest Website: This day is September 9th, and the two of them came to the north of Heizao City.

Many ghost immortals gathered at the foot of a small hill.

Looking up, there was a yellow light on the top of the hill, as if there was a dim moon.

Under the yellow light, an old man in a brocade robe appeared, wearing an imperial crown, with a white face and bright eyes, looking at the ghost immortals below.

Lu Shanguan heard the whispering of the people next to him: "This is the ghost emperor Yang Yun. The great writer Yang Xiong went to the underworld to change his name."

Ghost Emperor Yang Yun said, "Master wants to recruit two disciples. I will give you a question first. Please write an article to present it. You need to be outstanding in writing to impress me. The time is limited to one hour, and the title is "The Fu of the Styx."

After saying this, a ghost servant came over and brought grass to each ghost fairy three books.

There are no paper money, only books with grass.

The ghost immortals who participated in the test need to exhale the yin energy. The yin energy attached to the grass of the book will form text. This not only tests the skills, but also tests the literary skills.

When Lu Shanguan was studying, he chose the "Ancient Words" major at the Imperial Capital University, and spent six years to get his undergraduate, master's and doctoral degrees. Later, he followed his ancestor Lu Yideng to study "Confucianism's Heart Method" and "Haoran Qi", and also learned witchcraft and a small number of "Dragon Chapters", "Fengwen", "Nether Ghost Talisman", and 13,800 basic divine tales left by Cangjie's ancestor.

Moreover, he also got the "Nether Ghost Sutra" left by Zheng Xuan.

However, even so, it was still difficult for him to write a "Fu of the Styx" suddenly. He could only leave his fate to do his best.

Dong Xiaowan also participated in the test, and her ancient Chinese skills are even stronger than Lu Shanguan.

One hour later, the two handed over their books and brought weeds.

After the Ghost Emperor Yang Yun retreated, another old man in black zipper clothes appeared on the top of the mountain. He was dressed simply, without a crown, was thin and had many wrinkles on his face.

The ghost immortals at the foot of the mountain whispered: "This is the ghost emperor Zhang Heng."

The ghost emperor Zhang Heng said loudly: "The question I have asked is related to arithmetic. Please listen to it: Suppose that measuring the island, the height of the two tables is 3 meters, and the distance between the front and back is 1,000 steps, so that the back table and the front table are on the same line, and the retreat 123 steps from the front table, people observe the island peak, and people observe the island peak, and people observe the island peak, and ask how high the island is? How far is the island from the front table?"

Lu Shanguan let out a sweat, secretly breathed a sigh of relief, thinking: "Fortunately, this is the theory of serious differences in "Zhou Ren Suan Jing". It's not too difficult."

After all, he was not from a mathematics major. If the questions given by the Ghost Emperor Zhang Heng were too complicated, he might not be able to solve them.

He knew very well that he could not look at the problem from a static point of view. Although the Ghost Emperor Zhang Heng was from the Eastern Han Dynasty, the gears of time were turning. How could he know that the Ghost Emperor he had never contacted the descendants of mathematicians? From 140 AD to 5,200 before the fusion of heaven and earth, mathematical research on the earth made rapid progress. Some mathematicians should have arrived in the underworld after their death. If Zhang Heng was determined to do research, he would definitely learn something.

Therefore, Lu Shanguan had no confidence in testing. He looked at the many ghost immortals around him and thought to himself: "There may be mathematicians among these people!"

Just like the previous requirements, the problem-solving steps must be written on the book and grass.

An hour later, Zhang Heng collected a bundle of books and grass and said that the result would be given in three days.

After the test, the ghosts disperse.

Three days passed by in a hurry.

On the third day, Lu Shanguan and Dong Xiaowan sat under a black date tree. They spent ten taels of silver to contract a tree and picked the black dates from the tree at will.

For Gui Xiu, black dates are a tonic, with a slightly sweet taste.

Silver is also used as currency in the underworld because silver is the material for "hiding the soul".

At ten o'clock in the afternoon, a ghost servant came over and said, "Lu Shanguan? Dong Xiaowan? You two have passed the test, please follow me."

Lu Shanguan was surprised: "We both passed the test?"

The ghost servant turned around and led the way in front of him.

Lu Shanguan and Dong Xiaowan quickly followed.

They found it incredible: "How could they be selected at the same time? Is there no one in the underworld?"

The ghost servant took them over several mountains and came to a circular palace.

After Lu Shanguan entered, he found out that he had only passed the first exam before, and a few other people came to the palace in addition to them. Ten people were qualified for the re-examination, five of which were selected by the Ghost Emperor Yang Yun, and the other five were selected by the Ghost Emperor Zhang Heng.

The two ghost emperors were all here, standing behind Guiguzi on the left and right.

The ten selected ghost immortals were also divided into two groups, with five people standing on the left and right sides.

Guiguzi is tall and has an ancient appearance. Sitting in the chair of the Grand Master, he looks like a middle-aged man with an immortal spirit and an unpredictable and profound appearance.

Whether Yang Yun, Zhang Heng or Guiguzi, their appearance is not fixed and can change with their hearts. Today is young, tomorrow is middle-aged, and the day after tomorrow is old. They cannot judge their condition by appearance.

Not to mention the Ghost Emperor, even the Ghost King and the Ghost Immortal can change their image at will.

As for ghosts below the Ghost Fairy, because their aura is not solid enough, they only show a phantom, with unclear eyebrows and eyes, and there is no need to care about the specific appearance.

Guiguzi looked at everyone and said, "I left behind "The Legend of the Condor He Ce" and "The Seven Techniques of the Yin Fu" in the world. Today's test content is to write down these two classics."

Ghost Emperor Yang Yun and Zhang Heng came up and sent each of them a book with grass.

So the test began.

This test sounds simple, but it is not easy. The reason is that there is no paper and pen, and it depends entirely on spraying the grass on the book. If you lack skills, you can't write many words at all.

Moreover, "The Book of Zhihe Ce" implies the book of earth, human, external books and other related runes; "The Seven Arts of Yin Fu in the Book of Classic" implies hundreds of ghost talismans in the underworld. If you want to write those runes in one breath, it is very difficult to write those runes in the original book on the grass!

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Fortunately, Lu Shanguan has high skills and has reached the late stage of the Ghost King. He is proficient in most ghost talismans, so he writes the dictation faster. Moreover, he has learned "The Legend of the Condor He" with his ancestors Lu Yideng and Lu Wen, and is familiar with this classic. Even so, he failed to completely write down the two classics. After only 70% of them, he exhausted his Yin spiritual energy and had to stop and rest.

Dong Xiaowan only wrote 60% of the content of "The Seven Skills of Yin Fu in the Sutra" and used up his breath before he could write "The Legend of Qihe Ce".

The performances of the other eight ghost immortals and ghost kings were also unsatisfactory. Some ghost immortals were not familiar with these two classics at all, so they simply handed in the blank paper!

In the end, Guiguzi left three people, namely Lu Shanguan, Dong Xiaowan and a ghost king named "Zhu Xi".

Guiguzi looked at Dong Xiaowan and said, "I didn't want to recruit women this time. But your performance is impressive. Let's take you as a registered disciple first, and pass on your method of ghost cultivation. When you cultivate to become a ghost emperor, then become a disciple who enters the house."

Dong Xiaowan saluted respectfully: "Thank you, Master."

Guiguzi said: "Zhu Xi, Lu Shanguan, come close!"

Lu Shanguan and Zhu Xi took three steps forward and bowed quietly to listen to the instructions.

Guiguzi said in a deep voice: "You two have excellent qualifications and will be my disciples from today."

The two of them fell to the ground and said, "Greetings to Master."

Guiguzi said: "Your ghost cultivation skills are very solid. Next, I will pass on your mind method, called "Mingchuan Yin and Yang Transformation". This is a yin-yang exchange technique. After you have finished it, you can seek yang in Yin and transform from the Ghost King and the Ghost Emperor into the Pure Yang True Immortal. Whoever transforms into the Pure Yang True Immortal first and then helps the master complete a task, you can become a true disciple."

"Thank you, Master, for preaching the Dharma."

Guiguzi did not drive Dong Xiaowan out, so he directly recited a scripture, and then asked Zhu Xi to follow the Ghost Emperor Yang Yun and Lu Shanguan to follow the Ghost Emperor Zhang Heng. As for Dong Xiaowan, he was sent to the library to organize the classics.

Guiguzi is the incarnation of the ancestor of the Styx. He established an immortal palace in Yinshan, opened a cave, established a library, collected hundreds of thousands of classics, as well as countless jade slips and jade plates.

The owner of the library is named "Shangguan Wan'er". Like Dong Xiaowan, he is both a registered disciple of Guiguzi.

Shangguan Wan'er was the granddaughter of Shangguan Yi, the prime minister of Emperor Gaozong of Tang. After Shangguan Yi was punished and executed, Shangguan Wan'er was sent to the Yeting Court with her mother. At the age of fourteen, Wu Zetian was highly appointed as a female official because of her intelligence and good literature. She was in charge of the imperial edicts in the palace for many years and was named "Women Prime Minister". During the reign of Zhongzong, she was named Zhaorong and was in charge of the court's principles. She was powerful and dominated the government affairs. During this period, she set up a scholar in Xiuwenguan, and rated poetry and prose in the world for the court. At that time, many poets and ministers gathered together. During the Tanglong Incident, she held the imperial edict of Zhongzong, "The Prime Minister and the King of Prime Ministers" drafted with Princess Taiping, and asked for exemption, but was still ordered by Li Longji to be executed.

Shangguan Wan'er is also a master of his generation. After his death, she went through hardships in the underworld and became a ghost immortal. She was then accepted as a registered disciple by Guiguzi.

She has been following Guiguzi for more than 3,000 years and has not yet been able to advance to the Ghost King. She is still far from the Ghost Emperor's realm, so she has not been able to become a disciple of the family.

In comparison, although Dong Xiaowan started practicing late, she received strong support from the Lu family, recreating her body through cloning technology, and then cultivating her essence, energy, soul and soul at the same time. After practicing into Xuanxian, she splits her soul and enters the underworld with the body of the ghost. Her skills are equivalent to those of the low-level ghost king, surpassing Shangguan Wan'er.

Moreover, she learned modern technology from Lu Shanguan, and then arrived first and overtook the curve. Her methods of library management were better than Shangguan Wan'er.

Therefore, although Shangguan Wan'er came early, she could not bully Dong Xiaowan.

Dong Xiaowan stays in the library every day and makes backups of the sorted information, handing one to Guiguzi and one in his hand, ready to take it back to the Lu family.

Guiguzi did not stay on Yinshan all the time, but was erratic, sometimes in the underworld, sometimes in the human world, sometimes in the fairyland, only return to Yinshan every twenty or thirty years.

Lu Shanguan followed the Ghost Emperor Zhang Heng, and Zhang Heng guided him to practice.

Although Zhang Heng was the Ghost Emperor, he was also an astronomer, mathematician, inventor and writer. He discovered the causes of solar and lunar eclipses, drew a star map recording 2,500 stars, calculated the pi accurately to 7 decimal places, and explained and established the cosmology of the Huntian Theory.

After becoming the Ghost Emperor, he still wanted to calculate the pi.

Seeing him racking his brains to calculate, Lu Shan couldn't help but persuade: "Senior Brother, after you became the Ghost Emperor, you have a high status. How long has it been since you talked to low-level wandering souls and ghosts? Do you understand the development of technology in the human world? Do you know that technology in the human world has become extremely developed, and calculating pi to hundreds of trillions of digits after the decimal point?"

Zhang Heng showed a surprised look: "Is that true?"

Lu Shanguan said: "Senior brother, although I am not a mathematician, I can also recite the pi to one hundred decimal places, otherwise I will recite it for you?"

When Zhang Heng heard about one hundred pi, he was shocked and asked: "Where are you talking about in the human world? I want to go over and take a look!"

"Senior brother, you may not be able to go now."

"Why can't you go?"

"Because the Middle-earth world merged with Jiuniaozhou, it became the forbidden land of the ancestor Hongjun! Most scientists have failed to survive the disaster of the integration of heaven and earth, and the scientific and technological civilization has been buried!"

Lu Shanguan would not tell Zhang Heng the mystery of the underground world, and there were only a few high-level cultivators left behind in the Middle Earth world on the ground. The scientists from Europe and America had long been dead!

Zhang Heng sighed, "Oh, that's a pity!"

After a long time, Lu Shanguan asked, "Senior Brother, do you know where Zhu Xi, who was admitted to me by his master, came from?"

Zhang Heng snorted: "A sinister villain, a person who seeks fame and reputation."

"Hmm? Is it Zhu Xi from the Song Dynasty?"

"I don't know what the Song Dynasty is, I only know that it is a junior."

Lu Shan visualized the records in ancient books that Zhu Xi was a master of Neo-Confucianism in the Southern Song Dynasty. He advocated "preserving the principles of heaven and eliminating human desires" and always advised others to "starve to death to death, and losing integrity to the great cause." At that time, Zhu Xi's theory was not valued, but in the Qing Dynasty, his theory was appreciated by the Qing emperors.

Zhu Xi is a man with different words and deeds. His friend's sister died and his husband advised his friend to keep his integrity. However, he himself forced his widowed sister-in-law to invade the property of his deceased brother.
To be continued...