After Lin Yi and Yun Siyao left the grove, they rushed directly to the Nine Swords Mountain Range at full speed, but the Nine Swords Mountain Range was the north of the Spirit Domain after all. The distance between the road and the area they left was quite far away, and that kind of road, I don't know how many city hills, barren forests and books had to be crossed.

However, although this kind of rush was a bit hard, it was generally quite smooth, coupled with Lin Yi and Yun Siyao's full speed, in just two days, they had gradually approached the northern area of the Spirit Domain.

According to this kind of journey, if there are no other accidents, I am afraid that it will be less than half a day before we can reach the Nine Swords Mountain Range.

And as he gradually approached, Lin Yi could also begin to clearly feel that there were more and more spiritual power fluctuations heading towards the same destination. Obviously, those people were heading for the Nine Swords Mountain Range.

Lin Yi is also familiar with the masters of those spiritual power fluctuations, because these people are all geniuses from various cities who participated in the spiritual realm, and when he was in the palace, Lin Yi also secretly investigated these people. So I am also very familiar with the unique temperament of them.

However, the fluctuation of the strength of these people did not surprise Lin Yi too much, because although the strength of these people Lin Yi and the others met was not bad, if they were compared with the leaders of the younger generation such as Xiang Wentian and Xiang Yu, they were obviously a little inadequate. And now the only person who can make Deyun Siyao and Lin Yi treat them solemnly at the same time is a master of the strength of the two brothers of the Xiang family. So for these people, the two didn't feel so surprised.

And the two of them did not take the initiative to get along with these people, but avoided them and picked some deep mountain and wild roads, so that although they would encounter some wild beasts to harass, they did not hinder them, these beasts were also fragile, and the two of them could suppress them just by turning their hands.

Moreover, if you take this kind of road, I don't know how much time you will save than taking that winding road, although it will be easier to walk on the big road, but after all, the road is far away, and they walk the mountain road like this. There is a saying that is true, 'between the two, the straight line is the shortest'.

"Huh?" Lin Yi, who was moving forward rapidly, suddenly stopped, and after being slightly stunned, he let out a sound of surprise.

Another black figure moving forward quickly also stopped abruptly after seeing Lin Yi who suddenly stopped, and a pair of beautiful eyes looked at Lin Yi with some doubts.

"What's wrong?" Yun Siyao turned around, looked at Lin Yi with beautiful eyes, and said with a hint of question.

Lin Yi turned his head and looked in the direction of his right hand, frowned slightly, and said, "There are people fighting in that place!"

When Yun Siyao heard this, she also let go of the power of her soul and explored the past.

After a moment, she nodded slightly, but there was no surprise on her pretty face, this kind of fight seemed to her to be very sparse and ordinary, as if she didn't take it to heart at all.

Yun Siyao chuckled lightly and said, "It's someone fighting, but this kind of thing often happens in the spirit realm, if there is no fighting, then it's strange..........."

However, Lin Yi at this moment seemed to be very dignified, he did not deny Yun Siyao's words, but he did not agree with them, but looked towards the side solemnly without moving. As if he was very concerned about the fight over there. Deyun Siyao couldn't help but wonder for a while, what's so strange about this? There are organic treasures everywhere in the spiritual realm, if a treasure is taken by two people, then it will definitely be fought for, in that case, a big war is inevitable, this kind of thing is too common........

"No, it's not an ordinary fight, you feel it carefully!" Lin Yi looked at the place where the battle was fighting, and his face was very solemn.

After listening to Lin Yi's words, Yun Siyao realized that something was wrong, according to Lin Yi's character, the latter is not a person who jokes without doing business, so it may not be as simple as she thought.

The power of the divine soul spread, and Yun Siyao carefully probed the battle over there. Although she still believed in Lin Yi very much, she didn't think anything would happen here, because there was obviously no one else in the spirit realm except for the younger generation of less than two hundred people, so it shouldn't be too outrageous.

However, in the next moment, her face changed suddenly.

"What a terrible breath......! Is it human?" Yun Siyao frowned deeply, looked at the area of the big battle, and exclaimed.

Lin Yi's eyes were also slightly condensed, and Yaoyao looked at the area, a little unsure.

After a while, Lin Yi, who was a little hesitant, finally made a decision, no matter how terrible something existed over there, he would also go over and find out, since he had met him, he had to relieve the curiosity in his heart, otherwise it would become a regret........

So, Lin Yi's eyes narrowed, and he stared at the area as sharp as an eagle falcon. "Let's go, go over!"

Hearing this, Yun Siyao was slightly stunned, her beautiful eyes glanced at Lin Yi, and then nodded gently.

That kind of breath, even she felt a strong sense of palpitation, but she didn't expect that in the face of such a terrifying unknown creature, Lin Yi would dare to take a kick. I don't know if he should be said to be brave or ignorant as a fledgling!

And that kind of terrifying fluctuation is not spiritual power! It is a negative element that exists in heaven and earth, that kind of thing has the same power as spiritual power, but it is not suitable for human cultivation, so it makes Deyun Siyao shocked!

Lin Yi can also feel the horror of that kind of fluctuation, maybe other people don't know, but he knows that in this heaven and earth, there is only one kind of creature that can cultivate that kind of thing, and it is the mortal enemy of the human race, he has a name that makes people's scalp tingle when they think about it. And that name Lin Yi is also very familiar.

If Lin Yi expected it to be true, the owner of this breath should be a terrifying creature that made the former master of the Book Spirit, the Heavenly Emperor, fall, known as: Demon!

The terrifying aura just now, not to mention Yun Siyao, even Lin Yi felt a trace of palpitations! But he resolutely wanted to find out, because he really wanted to know how that kind of alien existence entered this spiritual realm!

This is the space of Yun Qing, the former world-famous powerhouse, and he doesn't want the things left by these ancestors to be obtained by aliens! Even if his strength is far inferior to the other party, but as a human race, he should be like this.

It's not about strength, it's his obligation!

The two figures shuttled through the jungle, and behind them, the leaves on the ground were also floating in the wind, spreading in the air. That kind of speed, it's just incredibly fast.

Patches of forest passed in front of him, and after a while, Lin Yi's figure quietly fell onto a dense tree, and Yun Siyao followed closely.

"What's wrong?" Seeing Lin Yi who suddenly stopped, Yun Siyao couldn't help but wonder. Why don't you leave if you haven't reached that area yet? Is it because you have changed your mind and not go? Or are you scared?

Yun Siyao looked at the young man in front of her, but did not speak, it was the latter's right to go or not, and she had no right to ask. It's just that she doesn't like people who talk big about it very much. And Lin Yi's behavior like this obviously made her very uncomfortable. In my heart, I couldn't help but feel disappointed with the young man in front of me. Because she thought of another thing, that is, when facing the two brothers of the Xiang family, the person in front of her, dare to use it? Is it reliable?

Lin Yi couldn't have imagined what Yun Siyao was thinking in his heart, if he knew that it was just because of his own pause, which caused so many feelings about the former, he didn't know what his expression would be.

"The Great War is over, and I'm looking for the direction in which the alien breath is moving. Lin Yi frowned and said.

Just now, when he was halfway through, he suddenly felt that the spiritual power fluctuations caused by the big battle in that area and the aura of the alien race had faded, so Lin Yi hurriedly stopped to see what was going on. And when he stopped, he found that not only did the spiritual power fluctuations disappear, but even the breath of the alien gradually disappeared.

Hearing this, Yun Siyao suddenly realized. Immediately, there was a hint of embarrassment on her pretty face. Just now she thought that the reason why Lin Yi stopped was because she felt that the other party was strong and scared, so she had a cowardice mentality, and it wasn't until Lin Yi finished explaining that she knew that she had misunderstood the man in front of her...

The other party is not afraid, in the face of such a terrifying unknown creature, he does not have any timidity, and has always been facing difficulties!

After a while, Lin Yi couldn't help but shake his head slightly, and sighed helplessly, as he carefully probed for a while, he was not disappointed, he didn't find anything, it seemed that the alien had left.

"Let's go, go over and see if there are any traces left!" Lin Yi quickly swept away after glancing towards the place where the battle had just been.

Behind him, Yun Siyao also followed.

After a while, Lin Yi's figure also slowly stopped. Behind him, Yun Siyao was also standing.

"It's .......... Black Death!" Lin Yi looked at the scene in front of him, and the expression on his face finally had a hint of emotion.

In that area, although the war has passed, the traces of the aftermath of the war are still very obvious, because this area has been completely knocked out of several large pits, and even the trees next to it have been destroyed. And in that big pit, there is a trace of black death spreading upwards.

Everywhere that aura spread, even the surrounding grass, was withering at an alarming rate.

And in the large pit on the other side, there was a corpse lying reclining. And the giant corpse could no longer see anything clearly, because under the corrosive effect of the black qi, the corpse had completely turned into dry bones. And on that bone, there is a trace of black gas entwined.

"What the hell is this black gas, why is it so weird!" Yun Siyao saw the scene in front of her, and her eyebrows couldn't help frowning deeply.

After seeing this scene, Lin Yi's face couldn't help but change greatly. He hadn't only seen this kind of black death aura once, but he had come out at the first sight, so he knew better than Yun Siyao what it was!

Isn't the thing that made Gu Yin'er's mother sleep for ten years is the same as the thing in front of her? That time, if it weren't for the book spirit, I'm afraid that Gu Yin'er's mother would have died in Huangquan, so Lin Yi knew very well the horror of this kind of thing, although these black death qi could not be compared with the previous meeting, but it was still not to be underestimated.

And that time in the space of the Tianya Supreme, the aura of black death in the Demon Suppression Tablet.......

This may have a great deal to do with the 'demon' in the mouth of the book spirit.

Lin Yi took a deep breath, his eyebrows were tightly locked, and his black eyes were as sharp as eagle falcons looking at the trace of black gas left after the 'demon' left, and then he said solemnly.

"It seems that this trip to the spiritual realm may not be as simple as imagined...............

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