It took nearly four hundred years for Chang Shan to finally scrutinize a "Tianyuan Jue" that he was satisfied with.

He was sure that even if there was a difference between the Tian Yuan Jue he had deduced and the cultivation method of the Ancient Heavenly Venerable who had made Tian Yuan Xing appear, the difference would not be too great.

The "Tian Yuan Jue" was deduced, which represented the cultivation plan set by Chang Shan that year to practice all the exercises of the Tianzun who left stars in the outer heavens, and it was successfully concluded.

He returned to Chongyuan Xing, and summarized some of the insights he gained in the process of cultivating more than 100 exercises in the "Ten Thousand Laws Tong Minglu", as well as the process of deducing the "Tianyuan Jue", and then, he returned to the Outer Heaven and summoned out more than 100 orbs that he had refined to arrange the Heavenly Dao Wheel Great Array in the void in the center of the Heavenly Dao Wheel, and each one added a metal primordial beast corpse with the strength of the Silver Pill Period, and while refining, he evolved the Heavenly Dao Wheel Great Array.

Chang Shan has spent thousands of years cultivating the exercises in the "Ten Thousand Laws Tong Minglu" and refining the "Tianyuan Jue", the fundamental purpose is to be able to refine the Heavenly Dao Wheel Array more mysteriously, and then use it to comprehend more mysteries of the entire Outer Heaven.

Facts have proved that Chang Shan's choice was right, after he completely immersed his mind into the evolution of the Heavenly Dao Wheel, less than two hundred years later, he deduced the Heavenly Dao Wheel Great Array to the extent of condensing the Heavenly Dao Wheel with the power of one person.

Back then, the Demon Lord and the others urged the Heavenly Dao Wheel Great Array to the extent that they condensed the Heavenly Dao Wheel, just like the Zhou Tian Star Dou Great Array that the ancient demon clan arranged to "move the stars and change the residence, and the void was destroyed", they all belonged to the rules that used powerful power to attract the fixed existence between heaven and earth, and evolved the mysteries of the formation.

Just like after some of the demon clans who arranged the Zhou Tian Star Dou Great Array in ancient times were extinct, before Chang Shan, no one re-evolved the Zhou Tian Star Dou Great Array to the level of "moving stars and changing houses, and the void was destroyed", the Demon Lord and other Heavenly Venerables did not have a real understanding of the Heavenly Dao Wheel Great Array, and none of them could single out the Heavenly Dao Wheel Array to the extent that the Heavenly Dao Wheel was condensed, but the current Chang Shan could.

Chang Shan condensed the Heavenly Dao Wheel, and while comprehending the mysteries of the Heavenly Dao Wheel, he refined the more than 100 beads he used to arrange the Heavenly Dao Wheel Great Array through the connection between the Heavenly Dao Wheel and the more than 100 stars in the Outer Heavens.

Using the power of heaven and earth attracted by the formation to refine the formation is that every formation cultivator understands the method.

In fact, after a formation is refined, it can only evolve this formation more subtle if it has been tempered with the power of heaven and earth that it has been induced.

However, generally speaking, refining a formation with the power of heaven and earth triggered by a formation is only a more likely to attract the power of heaven and earth by refining a formation, and it is rarely possible to cause a qualitative change in a formation.

Now, with the help of the Heavenly Dao Wheel and more than 100 stars in the Outer Heavens, Chang Shan has refined this set of Heavenly Dao Wheel Great Array that he has refined has undergone a qualitative change.

This qualitative change not only refers to the improvement of the quality of the array, but also includes the formation becoming more subtle.

There is a mysterious connection between the more than 100 stars in the outer heavens, and it is not an exaggeration to treat them as a whole, so the more than 100 orbs that arrange the Heavenly Dao Wheel Great Array should also become a whole.

At this time, the more than 100 beads that arranged the Heavenly Dao Wheel Great Array really became a whole under the combined action of the Heavenly Dao Wheel and more than 100 stars in the Outer Heavens.

They are connected together with pale golden spiritual power to form a pale golden compass.

The pale golden compass is oval in shape, and its shape is exactly the same as the overall shape of the outer heavens, and at the same time, the distribution law of more than 100 round beads in it is exactly the same as the distribution law of more than 100 stars in the outer sky.

This compass is a shrunken outer heaven.

The Heavenly Dao Wheel Great Array transformed into such a compass, and Chang Shan obviously felt that his control over the Heavenly Dao Wheel Great Array and the Heavenly Dao Wheel Great Array condensed by the Heavenly Dao Wheel Great Array was much stronger.

Chang Shan continued to refine the compass until he had refined the compass to the point where he could condense the Heavenly Dao Wheel by urging the compass, and then he stopped.

"This compass is the array instrument that arranges the Heavenly Dao Wheel Great Array, so let's call it the Heavenly Dao Compass. ”

Chang Shan gave the compass a name, stared at the compass and pondered for a while, and with a movement of his mind, he put the compass into his body, and then with the help of the compass, he entered a state of integration with the entire outer heaven.

When he advanced to the Great Heavenly Venerable, Chang Shan evolved his dantian into a heaven and earth.

Later, he comprehended and condensed this side of the world into a Yuan Dan, and in the process, a dantian reappeared in his dantian position.

This dantian, carrying the Yuan Dan, can also accommodate weapons and magic weapons, which seems to be the same as the real dantian.

However, Chang Shan can feel that this dantian has some differences from his previous dantian, among them, the most obvious difference is that his previous dantian seems to be boundless but boundless, and his current dantian seems to be boundless but boundless.

Chang Shan felt that there were some problems with his current dantian, but he didn't know what the problems with his dantian were, and of course he couldn't solve the problems with his dantian.

Now, he sank into a state of merging with the entire Outer Heaven, but the problems existing in his dantian have been solved, and he has reverted to a seemingly boundless but bounded dantian.

At this time, he also knew that what had happened to his dantian when he condensed the inner heaven and earth into a Yuan Dan.

A cultivator's dantian can be said to be boundless, because a cultivator's dantian cannot be measured, and a cultivator's dantian can be said to be boundary, because a cultivator can clearly feel the existence of the boundary of the dantian.

In fact, the dantian is a part of the physical body, and the physical body has a certain size, and it is not difficult to understand that the dantian has a boundary.

Regarded the boundary of the dantian as a part of the physical body, and in the process of Chang Shan evolving the dantian into a heaven and earth, and then condensing the evolved heaven and earth into a Yuan Dan, his physical body was damaged.

This kind of damage is too subtle, and with Chang Shan's current supernatural powers, he can't detect it.

This kind of injury, it is also very fatal, if the very mountain is healed now, it will jeopardize Chang Shan's cultivation future.

Before the Jindan period, Chang Shan cultivated according to the Dan Dao cultivation method, and when he reached the Jindan period, he cultivated according to the ancient cultivation method based on the induction of heaven and man, and later, he turned to cultivate according to the Dan Dao cultivation method, so he changed the cultivation method three times, and there were some problems in his cultivation, which was very normal.

Thankfully, when there were no real major problems in his cultivation, he solved the hidden dangers in his cultivation.

The dantian returned to normal, and Chang Shan also found a way to temper his Yuan Dan.

He suppressed the thoughts in his heart, sank back into a state of merging with the entire Outer Heaven, and used the power of the entire Outer Heaven to refine his Yuan Dan.

Changshan's Yuan Dan, under the tempering of the power of heaven and earth in the entire outer heaven, gradually became mellow, and gradually became more and more similar to his previous Yuan Dan.

There are a large number of runes on his Yuan Dan, and these runes, like Dao patterns, are obviously not Dao patterns in the ordinary sense.

Chang Shan didn't deliberately delve into the mysteries of these patterns, he was completely immersed in the wonderful feeling that Yuan Dan was being tempered more and more perfectly, until he naturally woke up.

He woke up from his cultivation, survived the short tribulation of heaven and man, calculated the time, and frowned: "It's really that I don't know how the years have passed since my cultivation, I didn't expect this retreat to be so long." ”

In this retreat, Chang Shan gained a lot, not only transforming the Heavenly Dao Wheel Great Array he refined into a Heavenly Dao compass, but also solving the hidden dangers in his cultivation and raising the Yuan Dan refining by a grade.

With such a great gain, it was natural that the time of his retreat was not short.

More than 7,630 years!

This time is the longest retreat time Chang Shan has had since he cultivated.

He pondered for a moment, took a deep breath, suppressed the distractions in his heart, and summed up all the gains he had gained from the retreat.

After summarizing the memories gained from the retreat, he moved back to Chongyuan Star with a single thought.

If something happens to Chongyuanxing, Atom Ye will definitely come to inform Changshan, and Atom Ye has not come to rule Changshan, which means that nothing major has happened to Chongyuanxing.

Chang Shan returned to Chongyuan Star, and sensed the breath of Shangguan Qing and the others, waking them all up from their cultivation.

Everyone came to the Earth Emperor Palace, Chang Shan asked about everyone's cultivation, and then, he called Qingyun out, while explaining in words, while using Qingyun to evolve, he showed everyone some of the mysteries of heaven and earth that he had comprehended in the past seven thousand six hundred and thirty years.

Chang Shan's current realm is also a little higher than that of the atomic field, and the mysteries of heaven and earth that he explained and evolved made everyone understand.

They have some understanding, but they also have some doubts.

Chang Shan answered some of the doubts that arose in everyone's hearts, and then let everyone disperse.

After a while, only Chang Shan, Shangguan Qing and Yu Huanting were left in the underground palace.

"Husband, why have you been in retreat for so long this time?"

"Tianzun has a lifespan of nearly a million years, and he has been in retreat for more than 7,000 years at a time, which is not too long. ”

Chang Shan replied with a smile, and when Yu Huanting's face showed a strange look, he replied in a different way: "This time I have some understanding, and I have nothing to disturb, so I have been in retreat for a longer time." ”

As he spoke, he took out the Heavenly Dao Compass and evolved the mysteries of the Heavenly Dao Compass for Yu Huanting and Shangguan Qing.

After Chang Shan put away the Heavenly Dao Compass, the three of them laughed a few words, and Shangguan Qing smiled: "Do you remember the Tree Demon Pill you planted on Yaochi Immortal Island back then?"

"Remember!"

Chang Shan showed a curious look on his face, looked at Shangguan Qing and asked, "Has it become a tree demon?"

Shangguan Qing nodded and said with a smile: "Not only has it become a tree demon, but it has also become a tree demon that can form pills, as you joked back then." ”

Chang Shan was stunned for a moment, and asked with a look of surprise, "Did it really produce an elixir?"