A light breeze blows a gust of yellow sand, which is a unique scene in the Northwest Desert, and the overwhelming yellow sand makes it difficult for people to open their eyes, so that all the guests have to stop temporarily.

In the great desert of the northwest, there is also a unique place, where there are mountains and rivers, flowers and plants, and streams flowing, but they don't know where they come from or where they are going.

It is a place that has been isolated from each other, and when you look into the desert, you will find that it seems to be a mirage in the desert, which is very strange, but unlike a mirage, people can enter and exit from the inside and outside.

Ji Yu released all his power explosively, and in an instant, his speed reached the extreme, and he rushed towards this valley frantically.

And behind him, Zhao Yuan followed unhurriedly, Ji Yu's speed was indeed very fast, and even reached the speed of a beginner-level powerhouse of the Battle Division, but for him, it was still a bit insufficient, if it wasn't for Ji Yu's repeated designs along the way, I'm afraid he would have already captured Ji Yu.

This time, he didn't act rashly, but kept on guard against Ji Yu, but Ji Yu didn't use any more means at this time, but concentrated on escaping.

"What is this kid doing...... Zhao Yuan frowned slightly, a little confused about what Ji Yu meant, if this continues, Ji Yu will definitely be caught by him.

With Ji Yu's cleverness, it is impossible not to know this.

However, after a quarter of an hour or so of chasing, his face began to change, from doubt, to surprise, and finally to a state of shock.

Looking up at the sky not far away, it is different from other yellow sand days, where the black gas is entangled, covering a piece of heaven and earth, and from the outside, it looks like a huge mountain, the mountain is full of black stones, and you can see the flowers and plants growing on the mountain if you look closely.

A small bird inadvertently flew over the sky, but in the end, it was instantly entangled in black mist, turned into blood, and fell from the top of the mountain.

"Mountains and valleys!" Zhao Yuan was shocked, he naturally knew what kind of place it was!

When he began to know that there was a mountain valley, he was very curious, and he heard that there were many natural treasures in the mountain valley, and his heart was even more impatient, he liked treasures by nature, and finally ignored his father's warning, and broke into the mountain valley alone.

He will never forget that night when he came to the valley of the mountain, and as soon as he came to the bottom of the valley, the light of the moon was gone, and he could not see his fingers, and he was afraid in his heart, and wanted to find a place to lean on.

A ghostly sound came from the valley of the mountain, which immediately made his hair rise, and then he saw a sight that he would never forget......

A huge thing, standing in the valley of the mountain, he couldn't tell how tall the monster was, but when the monster stood up, he could see the black fog dissipate, and he could see the moon...... At first glance, the monster seemed to have reached a height beyond the valley.

Its eyes were like the moonlight in the night, and it looked like it was the size of the moon when it laughed.

And when he was stared at by those eyes, the whole person instantly seemed to be petrified, and he lost consciousness...... When he woke up the next day, it was a passing merchant who met him in the desert and rescued him.

However, when he woke up, he found that the mountain valley had completely disappeared! When he looked back at the same place, he sat on the ground in a daze, and he found that this place was still where it was yesterday...... Because here are the traces of yesterday that he left behind!

Since then, he has been very taboo about the mountains and valleys, he can never erase the terrifying sight, the figure of the huge demonic beast, he has no idea what all this is all about.

And now, he has to face this terrifying place again...... Mountain Valley!

He was very hesitant in his heart, whether to follow Ji Yu to catch up, if he caught up, what should he do if he encountered that terrifying demonic beast again, that strange thing had left a huge shadow in his heart.

Looking at Ji Yu's figure as he kept moving away, he was in a trance, and in the next moment, his eyes were cold in vain!

Go! I must go! Even the little rabbit cub went, how could I not dare to go, besides, if he wants to die, he will die first, even if there is danger, he will die first, I have a chance to escape.

He thought about it in his heart, gradually put the things of the year behind him, and accelerated his speed to chase Ji Yu again.

At this moment, Ji Yu also felt very bad, and as soon as he approached the mountain valley, he began to have a feeling of unease.

He rubbed his temples, fixed his mind, and his speed did not decrease at all, the mountains and valleys, he had been here before! This is the place where he almost died, and only here can give him a chance to defeat Zhao Yuan!

He took out the poison bead from the storage ring, put it in his arms, felt a lot calmer, took a deep breath, and rushed into the valley at an accelerated speed.

The mountain valley is as huge as a big mountain, some people have calculated its height, about more than 5,000 zhang, which is unusually high, and there are several such mountains in the northwest desert, and these mountains are enclosed and become mountain valleys.

Imagine that in the middle of an endless desert of yellow sand, several huge mountains have fallen out of thin air, and there are still gurgling water in them, so where does the water come from? This problem, which has not been solved for tens of thousands of years, is still puzzling.

"Hmm!" Suddenly, Ji Yu's expression changed slightly, and he felt his heart tremble, that feeling was ......

He stopped his steps, and then increased his speed again, the only difference was that he used his battle qi to run the battle qi vortex in his body, trying to absorb the energy of heaven and earth.

And at this moment, his face finally changed!

He was a little shocked, that kind of change came from the battle qi vortex in his dantian!

As soon as he approached the mountain valley, the strange black mist in the mountain valley began to throb, and finally it invisibly tended to his battle qi vortex.

This is something that has never happened before, Ji Yu was surprised in his heart, in fact, why this battle qi vortex was formed, he didn't know at all.

At the beginning, the Qi Gathering Array made by Tian Lao upgraded for him, and then the Qi Gathering Array inexplicably left a little bit in his dantian, and then after getting the weird Dan core, the weird Dan core stayed in the Qi Gathering Array, and slowly formed that battle qi vortex, to a certain extent, the battle qi vortex must have a very big relationship with the weird Dan core.

And now that the battle qi vortex has begun to move, I'm afraid it is the effect of the weird Dan core.

Ji Yu was a little puzzled in his heart, because when he tried to contact the strange Dan core, he didn't have any reaction, it seemed as if he was asleep, the only difference was that the aura of the battle qi vortex became thicker and thicker.

It's weird!

Ji Yu frowned, and in the end he didn't care too much, so for now, let's solve Zhao Yuan first.

The mountain valley was in front of him, and Ji Yu's speed was getting faster and faster, however, just as he was close to the bottom of the mountain valley, there was a very terrifying force suppressing it, giving him a kind of mental suppression.

Ji Yu's expression changed, and he hurriedly used the power of his mind to protect himself in it, the mountain valley, he had been here once, and it was like this at that time!

The black fog was filled, and it seemed that because of Ji Yu's arrival, it was constantly permeating, and it was about to rush towards Ji Yu, and Zhao Yuan behind Ji Yu felt even more thrilling at this moment.

The black qi was like life, constantly rushing towards him, and at some point, they were already under the mountain valley, surrounded by black mist.

Whew! It's finally time to stop...... Ji Yu sighed.

The black fog here is very simple, it is the black fog, and there is nothing else, just like a natural barrier, just to block the intruders, and this kind of prevention is just intimidating.

Zhao Yuan also gradually found that there was nothing wrong with all this, and then slowly put his mind at ease, and finally slowly came to Ji Yu's surroundings.

Before the mountain valley, looking from the outside to the inside, it is still difficult to see the situation inside, only some gurgling sound of flowing water, which makes people feel a lot more comfortable, but this kind of environment is really not reassuring.

You can imagine standing in a black fog, and at the end of the fog, there is a bigger black fog, which completely blinds people's vision, and behind the black fog, there is a very pleasant sound of flowing water, who can enjoy this environment?

Undoubtedly, even Ji Yu can't.

This mountain valley is just too weird......

"What, you want to fight with me here?" Zhao Yuan already had some bottom in his heart, and Ji Yu stopped here, which meant that he didn't dare to go in.

And this periphery didn't hurt him, and the killing intent naturally slowly rose in his heart.

Ji Yu paused, and looked at the black fog at the very end, the black fog was very thick, and I don't know how high it was, it was like the gate of the entire mountain valley, guarding the entire mountain valley, making people dare not approach.

He smiled and licked his dry tongue, it was really difficult to be reassuring in this black fog, and he always felt that there was something hidden in it.

"Kill!"

Ji Yu moved, he snorted coldly, since he has arrived here, then everything should slowly fall into his control.

He slowly raised the power of the Jiuding Danhuo, which was undoubtedly like a candle in the dark night in this black mist, guiding people in the direction.

As soon as he moved, the black mist immediately made way for him, and when he saw Zhao Yuan's position, he suddenly punched out.

Zhao Yuan on one side obviously also felt Ji Yu's movements, and although it affected his vision in this black mist, it was not so bad that he couldn't see it at all.

It was a burst of murderous intent, straight towards his body.

"Humph!"

With a cold snort, he grabbed the direction of Ji Yu's attack, and also stepped on the desert with one foot, gathering endless battle qi with one punch, and slammed towards Ji Yu.

A battle has begun!