There was nothing to do all night, and occasionally a few demon beasts came to disturb them, and they were also forced away by Zhao Wouji's slight means and sound waves. Dongfang turned white, Zao Wou-Ki put on his robe, stood up, glanced at Fengyun Wuji, looked at the sky again, and said: "I'm going to go to the residence of Master's friend, Demon Slayer, for a while, if you want, you might as well go with me." ”

"I'm not familiar with everything here, and I just have nowhere to go, so I'll go with you, at least, and take care of it on the way. ”

Zao Wou-Ki smiled, then turned around, jumped down from the top of the cliff, crossed a rainbow in the air, and flew towards the east.

After three days, Fengyun Wuji finally followed Zao Wou-Ki to a very large valley, and the fog in the valley was misty, and it was impossible to see it really. When there was still some distance from the valley mouth, Zhao Wou-Ki beckoned Feng Yun Wuji to fall to the ground, and several people walked towards the valley mouth. The opening of the valley is very small, and at the entrance, there are two big characters written in cinnabar, 'Hidden Valley'. Feng Yun Wuji looked at Zhao Wouji suspiciously, but Zhao Wouji didn't see it, walked straight over, bowed to the two white-bearded old men lying on the ground at the entrance, and then grabbed a rusty knife on the ground, and lightly swiped it on his index finger. A drop of blood dripped from the wound into a stone bowl connected to the rock mass below. The stone bowl was red, and the bottom of the bowl had formed a layer of red and black substance.

When Zao Wou-Ki cut his index finger, the two white-bearded old men opened their eyes, as if they were looking at the stone bowl, nodded with satisfaction, and then looked at Fengyun Wuji.

"Do it. Zhao Wuji handed the knife to Fengyun Wuji, and then said, "This is to prevent high-level demons from mixing into the valley. Some demons are born with very good transformation techniques, and even the top masters are difficult to see through, so they can only judge from blood. ”

Fengyun Wuji suddenly took the knife and swiped it lightly on his index finger, letting the blood drip into the stone bowl.

"You two go in. Remember, there is life and death. After saying that, the two white-bearded old men waved their hands, closed their eyes and said no more.

In the hidden valley, the wall stands thousands of thousands, there are countless caves chiseled between the two walls, densely packed, the edge of the cave, you can faintly see a body sitting in it, motionless.

"In the hidden valley, the stronger the strength, the higher the residence, with three hundred meters as the boundary, no one under three hundred meters shall disturb the cultivation of those above three hundred meters. I've been here once tens of thousands of years ago, and I've been here again thousands of years ago. But I have never seen a tall man who lives more than three hundred meters. Some of them have been cultivating alone for hundreds of thousands of years, motionless. ”

Fengyun Wuji was a little stunned, and thought to himself, can't you fly up and take a look. Zhao Wuji looked at Fengyun Wuji with a smile, as if he could see through what he was thinking, and said to him: "You try to fly up to three hundred meters to see." ”

As soon as Fengyun Wuji heard him, he felt that there seemed to be something strange about the more than three hundred meters, and he didn't say anything anymore, his feet paused slightly, and then shot up like a sharp arrow. The higher he went, the more Feng Yun Wuji felt the resistance of the air become greater, and when he reached more than two hundred meters, the speed of flight was about the same as walking, and he barely reached a place of more than two hundred and fifty meters, and he could no longer go up, and it seemed that the entire space above had become solid, like a huge piece of cold iron, preventing people from approaching.

The true qi in the body suddenly stagnated, and it seemed to be exhausted, and as a last resort, Fengyun Wuji finally slowly fell to the ground.

"How?"

"I could only go two hundred and fifty meters. ”

"10,000 years ago, I could only go 280 meters, and then I could only go one or two meters further, and then I couldn't. The higher you go, the stronger the aura of those strong people becomes, and the aura that is unintentionally emitted gathers together, and it is almost the same as a substantial attack, and the strength of you and me is too far apart, and you can't enter the upper layer. At present, the people in this hidden valley are all people who are three hundred meters below. People over 300 meters have not been seen for years. ”

Fengyun Wuji looked up at the sky, feeling the thick aura in the upper layer of the sky and the rolling true air current, and said thoughtfully: "They ...... Are they all cultivating?"

"Not bad"

"In this hidden valley, there is a spiritual array set up by the Supreme One, and the speed of gathering spiritual energy is a hundred times and a thousand times faster than that of self-cultivation, so many cultivators of the liberal sect will gather here to practice. Of course, in fact, the most important point is ......" Zhao Wuji looked at Feng Yun Wuji's eyes and said indifferently: "This primeval world is by no means like the spatial plane where we are originally located, as long as it takes a few decades, a single exercise can be completed. Although our people are not as good as the Birds of Paradise and those demons from other planes, there are quite a few of them. But how many people have you met along the way? No, that's it. In this world, exercises that are truly powerful and supernatural cannot be accomplished without tens of thousands, hundreds of thousands, or even millions of years. The more powerful the exercise, the longer it takes. One of the biggest reasons why this primeval human being is so rare is that the vast majority of people are in the cultivation process. It took me tens of thousands of years to get some success. But my surname couldn't bear this kind of endless years of cultivation, so I ran out for a walk. Within this hidden valley, above 300 meters, there should be some strong people who are practicing powerful exercises. ”

"Why is it ...... for so long" Fengyun Wuji said speechlessly, thinking of the sword body obtained by the temple in his heart, but he didn't know how long it would take to reach the realm of Dacheng, tens of thousands of years, or hundreds of thousands, millions of years?

Thinking of this, Feng Yunji's brows gradually wrinkled, although he knew in his heart that this matter of martial arts cultivation was not in a hurry, but what he saw along the way was that the low-level demon beasts were not easy to deal with, and this cruel status quo had to make him anxious.

"Let's go, the boat will naturally go straight to the bridge, let's go inside first." Reaching out and slapping Feng Yunji's shoulder, Zao Wou-Ki strode towards the thick fog. Fengyun Wuji came back to his senses and followed closely behind Zao Wou-Ki.

The further back it went, the more open the space inside the hidden valley became, but the fog became thick and thin, and when it was about a kilometer away from the entrance, there was no longer a trace of fog.

At the bottom of the cliff on one side, in a dark cave, Zao Wou-Ki stopped, looked at the deep cave entrance, and said aloud: "Junior Zao Wou-Ki has come to meet the Demon Slayer senior. ”

The cave was quiet, like a pool of stagnant water, Fengyun Wuji couldn't feel any trace of life inside, but as soon as Zao Wouji's voice fell, a storm seemed to blow in the cave, and a powerful aura swept out of the cave like a storm, the invisible coercion, the whirlwind composed of swords, rushed out of the cave, and in a hurry, Fengyun Wuji was forced to retreat again and again. The chest is blocked, and he almost vomits blood.

The majestic voice of the owner of the cave echoed in Fengyun Wuji's ears: "Who is this, why did you bring a stranger I have never seen before." ...... It's strange, who are you bringing with you, why is your skill so weak, the whole Taigu, it is estimated that he is no longer a weak person. ”

"This is a new ascendant, and he has only been ascended for three years. The junior met him on the way, got his help, escaped a difficulty, and took him to this hidden valley by the way. Zao Wou-Ki said respectfully.

The people in the cave screamed, and then there was no sound, but Feng Yunwuji found that Zao Wouji's lips moved, obviously talking to the master of the cave with the technique of transmitting sound into the secret.

After a long time, a sigh came from inside the cave: "I can't think of your master...... Ay...... Come in. ”

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