Xiong Jiren, the hall master of the Demon Realm Sect's Sect Battle Hall, slapped the table angrily and said that he would get up and leave.

Mi Zhicheng, the deputy minister of the Demon Realm Department and Xiong Jiren's old boss, who is still his boss, nodded solemnly: "You go, I still have some documents to review." ”

Xiong Jiren's footsteps froze, his face did not move, his eyes turned and he turned his head to Mi Zhicheng and nodded: "Old Mi, don't worry! I'll go alone, you're busy." ”

The office door was closed by Xiong Jiren, Mi Zhicheng snorted disdainfully, and said in his heart, The old man still doesn't know what you are going to do? It's really out of breath! Look what tricks you can play! For Xiong Jiren, an old subordinate who has swelled, Mi Zhicheng is disgusted from the bottom of his heart, and looks at him coldly!

At the same time, in the villa of Zheng Hao in the compound of the Demon Realm Department, Zheng Hao withdrew his divine consciousness from the "inner vision" and closed his eyes to think.

Refining the heart with a phantom array, this idea is something Zheng Hao has already had. It is also a matter of the previous generations in the immortal cultivation world, but to realize the idea of refining the heart with a formation method to improve the cultivation of the Dao heart of the immortal cultivator, it is faced with difficulties that the immortal cultivation world has not been able to solve for thousands of years. It is also a realm that is now forbidden for any immortal cultivator to set foot in the immortal cultivation world.

Although the word "Dao Heart" has developed into a discipline in the world of cultivating immortals, to this day, there is still no precise language to describe what exactly is Dao Heart.

No matter how knowledgeable a scholar is, he can only introduce in general terms those aspects that can be included in the concept of Dao Heart.

The vision and attitude of immortal cultivators are two concepts that are more subjective, and they are generally recognized as part of the Dao heart.

The essence of the spiritual energy contained in the Daoji (the collection of lotus-shaped energy, information, and matter built by the foundation building) that can produce spiritual energy is also recognized as a composition of the Dao heart.

In addition to these three, there are many controversial concepts, or energies, or mysterious substances in the body that have not yet been specifically recognized, which have also been proposed and recognized by some immortal cultivators as the category of Dao heart.

In terms of the three that are generally recognized by all immortal cultivators, the cultivation of the Dao heart is improved in the state of non-phantom array heart refining, and all three of them are improved simultaneously, whether it is the improvement of the vision that changes the attitude and strengthens the "refinement", or the change of attitude that enhances the vision and strengthens the "refinement", or the strengthening of the "refinement" changes the attitude and improves the horizon. In addition to these three views, there is also a fourth point of view—although the three are simultaneously promoted and changed, there is no sequential causal linkage. These four mainstream views have been the subject of endless debate in the immortal cultivation world for many years.

Until the results of the Phantom Array Heart Refining test came out, the Phantom Array Heart Refining could indeed change the attitude of the heart refiner or improve the vision of the heart refiner, but it could not strengthen the "essence" of the heart refiner, and the "refinement" could not be strengthened, and the spiritual energy of the immortal cultivator did not change, whether it was quality or output.

At that time, the holders of the fourth viewpoint that there is no sequential causal linkage between the three became excited, and they shouted hoarsely, "Look! This is the evidence! Neither the improvement of vision nor the change of attitude have been able to strengthen the "essence"! We are right! What we have in our hands is the truth!

They decided that the Phantom Array Heart Refining was effective, and at least the first batch of senseless and brave Heart Refiners had indeed improved their horizons and changed their attitudes. They also firmly believe that this proves that there is no causal relationship between the three, and that there is no necessary connection.

As a result, the immortal cultivation world at that time quickly set off a wave of phantom array heart refining, and more than half of the immortal cultivators were running around, discussing with each other the trick of phantom array heart refining, and arranging the phantom array for heart refining.

This directly led to the advent of the dark age of the Immortal Cultivation Realm.

All the immortal cultivators who had experienced the Illusion Array Refining Mind gradually distorted, their horizons became narrow and remote, and even their mana was uniformly transformed into pitch black.

They all fell into the demon path step by step and became demon cultivators, completely destroying the order of the immortal cultivation world at that time.

The turmoil of the demon dance lasted for hundreds of years, and finally the victory of the righteous path was established by the advent of the Bagua Demon Array.

It was also in those hundreds of years that the old great sects of the world declined, and the Tianzhen Sect and the Chongshan Sect stepped on the stage of history, step by step to reach the status of the bull's ear in the immortal realm, and prospered to this day.

Cultivating immortals is to go against the sky, and honest penance may fall into the devil's path, so you must keep your heart. Not to mention shortcuts?

The Tianzhen Sect and the Chongshan Sect, as well as all the sects that had gone through hundreds of years of turbulence, agreed that no one should study the Phantom Array Refining Heart anymore and destroy all relevant research materials.

And that catastrophe also proved one thing, there is indeed a connection between vision, attitude, and "essence", and it is necessary to maintain a balance in order to stabilize the Dao heart.

Therefore, Zheng Hao knew very well how dangerous what he was doing was, as long as it was made public, it would attract resistance and sanctions from the entire immortal cultivation world.

Because there must be people in the current Immortal Cultivation Realm who are studying the Illusion Array Refining Mind, and they are all doing it secretly, how can you make it public? Isn't this a convention that challenges all the sects in the Immortal Cultivation Realm?

This is also very understandable, the catastrophe in ancient times was only because too many people used immature technology to refine their minds in the phantom array, which caused a bunch of demon cultivators to suddenly appear in the immortal cultivation world, which was naturally a great chaos in the world.

As long as rational research and experiments are carried out on a small scale, the risks are completely controllable!

And eighteen days ago, Zheng Hao's experience in the Tianzhen Sect's cave also confirmed his conjecture, at least the Tianzhen Sect was still secretly conducting this research after the agreement that it was not allowed to study the Phantom Array Refining Heart was reached.

As far as Zheng Hao knew, there must be some secret research results of the Tianzhen Sect, but the ultimate goal of refining the heart of the Phantom Array must have not been achieved. After so many years of secret research, he has not yet developed a mature Phantom Array Heart Refining Technique, which shows its difficulty.

No matter how difficult it is, Zheng Hao must rise to the occasion. Although he has received some support, the resistance he faces is still strong, and he must be promoted to the cultivation realm as soon as possible. The accumulation of mana has the almost infinite white stones in the great river, and it is no longer a problem. The learning and integration of Taoism has three doppelgangers and many system rewards, and there are no obstacles. The only problem is the ascension of the Dao heart.

Then the Phantom Array Refining Heart is a good direction. Because in his dantian, there is the existence of a perfect golden pill.

Just now, Zheng Hao looked inward with his divine sense, examining and studying the milky white golden pill in his dantian that was different from the milky white golden pill of other disciples of the Naive Sect who had stepped into the path of cultivating immortals with the secret method of cultivating spiritual roots.

Once again, I went to comprehend the miraculous lines on his perfect golden pill.

Out of the mysterious intuition of the immortal cultivators, Zheng Hao felt that this supernatural pattern was probably the key to refining the heart of the phantom array.

It's just that what is the connection between this supernatural pattern and the phantom array refining heart?

Zheng Hao pondered.