Since then, Liu Wu has become a sister who Wu Tian does not have the name of master and apprentice, but is the real master and apprentice!

In the Heavenly Evil Valley, she is a well-deserved little princess, who can be described as loved by everyone and extremely cute.

It's just that after two days of leisure, the catkins suddenly disappeared......

To be precise, it was Wu Tian who taught her the "Tianchen Heart Formula" and let her enter the first retreat in her life!

Of course, the previous retreat in the secret room of the Xuancheng City Lord's Mansion that day didn't count.

I believe that with the physique of Liu Wu, she must have a great advantage in cultivating the "Tianchen Heart Formula", in Wu Tian's opinion, it should not be long before this little girl will become an emperor-level person, after all, with the help of Wu Tian, she already has the strength of the peak of the king-level!

During the Liu Fu retreat, Wu Tian accompanied Xu Shan and other women on the one hand, and on the other hand, with the help of Wan Ruodie, he was also dealing with the affairs of the evil sect.

In addition, it is worth mentioning that the name of the evil sect has spread all over the world, when the evil sect announced the opening of the mountain gate to accept people, many idle cultivators around the door came to the door to join, including some people of the sect level, but in Wu Tianna's rule of scarcity and indiscriminateness, half a month passed, and they only accepted less than two hundred people!

Although the number is very small, their character is absolutely passable, and I believe that it will not be long before they become the true loyal people of the evil sect!

"Sect Master, we can't go on like this!"

In the evening of this day, Wan Ruodie, who had been busy all day, complained to Wu Tian, "Every time we accept people like us, I am afraid that we will not be able to collect much even if we are tired!"

"Isn't that something that can't be helped?"

Wu Tian personally poured a cup of tea for Wan Ruodie, and said with a smile, "I'm thinking of a way now, maybe a charter will come out soon, and you should be more relaxed by then!"

"Charter?"

Hearing Wu Tian's words, Wan Ruodie was stunned for a moment, and her pretty face looked a little puzzled.

"Yes!"

Wu Tian nodded, and said, "I'm thinking about whether I can test the heart of the person I want to join through a special formation! However, among the formations I know, there is no suitable one! These nights, I'm thinking about whether I can create my own formation!"

"Create your own formation!!"

Suddenly, Wan Ruodie gasped, although she was not proficient in the way of formation, she also knew a lot!

How shocking is it to create your own formation?

You need to know that even a Saint-level powerhouse who is good at the way of formation would not dare to speak so wildly, right?

"Hmm...... I'm pretty much done thinking about it now, but I still need a little time to think about the details!"

Ignoring Wan Ruodie's surprise, Wu Tian continued with a deep groan, "If nothing else, I believe we can succeed within three days! By the way, Ruodie, how is the mining of the spiritual vein now? I am afraid that this formation will need a lot of spirit stone support!"

"The mining went extremely well!"

Wan Ruodie replied, "Up to now, it is estimated that the mining of that spirit vein is not yet halfway, but there are already more than 1,000 medium-grade spirit stones and more than 100,000 lower-grade spirit stones in storage!

"Enough!"

Wu Tian was surprised, so many spirit stones were enough to make the evil sect develop more rapidly, and his heart was also a lot happier.

After a pause, Wu Tian continued, "In this way, you go and ask someone to bring me five hundred medium-grade spirit stones and twenty thousand low-grade spirit stones!"

"So many ......"

Wan Ruodie's mouth suddenly opened wide, and she was shocked.

"Well, more refunds and less compensation, hehe!"

Wu Tian smiled and said, "After all, it is to create a formation, you need to keep trying, I won't care about anything else in the next few days, everything will continue to work hard for you!"

"I'm used to it!"

Wan Ruodie pursed her lips, got up and walked out, "I'm going to prepare the spirit stone! By the way, sect master, I almost forgot one thing! According to the person in charge of mining the spirit vein, there have been some people snooping around the spirit vein in the past few days!"

"Noticed?"

Hearing this, Wu Tian immediately frowned, "Who are they?

"Some ordinary cultivators, the highest strength is only the sect rank!"

Wan Ruodie replied, "It stands to reason that there won't be any danger!, but I'm still a little worried, even if there is a formation set up by the sect master around that valley, but the people we transport back and forth are fixed every day, I'm worried that some unscrupulous people will choose to start halfway!"

"That's a problem!"

Wu Tianmo rubbed his chin, raised his head and said, "This way, let the transporters be careful! In addition, let the people from Tiankui Hall help escort them in the middle, you can personally go and see if Liu Kui and Liu Yi are very busy! If they are not busy, let them separate one person to work hard!"

"Okay, I'll arrange it!"

After Wan Ruodie bowed her head slightly, she immediately bit her lip and hesitated, "But Sect Master, do you really trust those people in Tiankui Hall? After all, they have only just joined!"

"Suspicious people don't need to be suspicious!"

Wu Tian smiled and said, "Of course, if they can be truly loyal, it is best, otherwise, I will let them live worse than death! But Liu Kui and Liu Yi are absolutely trustworthy, I can guarantee this!"

"Okay, anyway, you're the sect master, you have the final say! I'll go!"

"Please, great work!"

With Wu Tian's words, Wan Ruodie directly threw out a roll of his eyes and left, about half an hour later, a storage ring containing five hundred medium-grade spirit stones and twenty thousand low-grade spirit stones was sent to Wu Tian, which also made Wu Tian, who received so many spirit stones for the first time, faintly excited in his heart.

Soon, Wu Tian announced a retreat, and anyone or anything, unless it was related to the survival of the evil sect, must not be disturbed!

............

Two days later, with a burst of laughter that resounded throughout the heavens and the earth, Wu Tian's figure was impressively suspended in the sight of everyone looking up.

And he did!

Two days of hard work, coupled with the fact that the previous thinking was not in vain, Wu Tian created a formation, called the Nine Heavens Phantom Heart Array!

This array, combined with the power of Xiao Han, is integrated into Wu Tian's yin and yang transformation, creating a very special phantom array, so that those who are deeply trapped in it will completely show their innermost inner self, and all goodness and evil will be fully revealed in the realm of the phantom array!

Again, the cost is significant......

In the process of continuous creation alone, Wu Tian spent three hundred medium-grade spirit stones and nearly ten thousand low-grade spirit stones, if he still can't succeed, I'm afraid Wu Tian will be said to be a 'loser' by Wan Ruodie!

But even if it succeeds, there are a lot of needs to arrange this Nine Heavens Phantom Heart Array, according to Wu Tian's accurate statement, a total of one hundred medium-grade spirit stones and two thousand lower-grade spirit stones are needed, even if it is a ground-level potential power to take out at one time, it will be a little distressing, right?

If it weren't for Wu Tian and the others having a spiritual vein as a backing, he would definitely not be so extravagant......

"Next, it's time to set up the formation!"

Taking a deep breath, Wu Tian tried his best to keep his mind steady, looked around, and then came to a relatively close mountain peak outside the Heavenly Evil Valley in a few flashes, which was not too high, but had a sense of Zhong Lingyu's beauty.

"This is it! From now on, this will be the assessment place of our evil sect!"

Wu Tian smiled slightly, constantly recalling the harvest of these days in his mind, the rapid flow of true yuan in his body drove the surge of energy around him, and at this time, his hands were pinched rapidly, and the complicated tricks were played one after another, making the entire mountain tremble in an instant......

Under Wu Tian's movements, from the bottom of the mountain to the top of the mountain, another staircase was quickly displayed, which was in line with the number of nine extremes, just nine hundred and ninety-nine steps......

Immediately afterward, with a wave of Wu Tian's hand, one spirit stone after another submerged into the inside of the mountain, causing the energy of the entire mountain peak to suddenly fill, and even seemed to form pillars of energy as if it were more like substance, rising into the sky, indescribably shocking......

"Nine Heavens Phantom Heart Array, Qi!"

Countless tricks were played, and under Wu Tian's shout, countless energies in the surrounding space surged wildly, and those energy pillars suddenly converged into a large net, completely covering the entire mountain peak in an instant, and the mountain peaks that were originally visible to the naked eye also became blurred at this moment, like a fairy fairyland full of magic.

"Now, there's still the last step!"

With his eyes narrowed slightly, Wu Tian operated the formation according to the idea in his heart, leaving certain restrictions!

If you want to join the people of the evil sect who meet the requirements, you can successfully reach the top, this has nothing to do with strength, but it is a test of the heart, if you are a person with insufficient heart, even if you enter it, you will be quickly teleported out, of course, it means that you will be eliminated directly!

In addition, with the change of the formation control technique, even those who climb to the top of the mountain will be teleported out of the mountain if they can't hold on for an hour!

This is something that Wu Tian has already considered, and it is better to lack than to abuse!

Moreover, according to Wu Tian's rough estimate, with spirit stones as the energy output point, even if no one controls it, this formation can operate autonomously and last for nearly ten years, which is also the fundamental reason why so many spirit stones are consumed!

And in the past ten years, I believe that the evil sect will develop rapidly, and at that time, even if there are any more people with bad intentions to join, I am afraid that it will not be able to really shake the foundation of the evil sect.

"Finally it worked!"

After half an hour, Wu Tian, who had consumed a lot, was a little pale at the moment, but he still had a joy that could not be hidden.

The creation of this Nine Heavens Illusion Heart Array, for Wu Tian, was a leap forward in the path of the formation, and it also had a certain effect on his own cultivation, no, he himself had already reached the strength of the peak of the fourth-order martial arts, and even had a feeling of breakthrough.

I believe that as long as you retreat again, in less than half a month, you will be able to successfully enter the level of the fifth-order martial venerable!

Next, Wu Tian, who had successfully set up the formation, found Wan Ruodie and taught her all the techniques of controlling the formation, which made Wan Ruodie very pleasantly surprised, and finally she could relax a little in terms of accepting people.

"Sect Master, then I'll let the people outside try it, and if you reach the top, I'll accept it, right?"

"Well, in addition, Ruodie, you can also add some other assessment techniques, our evil sect can't let other powerful spies in!"

Wu Tian said, Wan Ruodie also nodded in understanding, and then turned around and left.

However, at this moment, Wan Ruodie's figure that had just walked out of the hall was stunned, and then she was silent for a while, her pretty face instantly became extremely ugly, and she quickly returned to Wu Tian, and said in a deep voice, "Sect Master, it's not good, I just received a message from Deputy Hall Master Liu, and something happened on the spiritual vein!"