After a thousand zhang distance, I really encountered more than a dozen forks, although those forks were branches, and the cave was smaller, but there was still a yin wind howling.

It's just that the dark net in those branching paths is not as strong as the main route explored by the three of them. Halfway through, Yun Yu didn't let the two of them search for branch tunnels.

Because he found that the place here was not very damp, and it was slightly inconsistent with the growth environment of the Yin Wind Flower, but every time he came to a fork in the road, he would stay for a long time to carefully identify it.

At a distance of more than a thousand zhang, the whistling yin wind was already extremely sharp at the moment, and the cold had surged a lot.

Seeing that the young monk in front of him had no defensive shield to protect himself, Feng and Ao's two Spirit Realm monks had shocked expressions in their eyes.

At this moment, the old man in the late stage of the Spirit Realm surnamed Feng had already sacrificed a ball-like treasure, and a fiery red flame flashed, completely enveloping his body in it.

And although Ao surnamed Haixiu did not sacrifice the treasure, his whole body had also changed, and a blue fluorescent flash appeared, obviously having already exerted his natal cultivation powers.

But Yun Yu was still in the same state as usual at the moment, as if he was not threatened by the cold yin wind outside his body at all.

Judging from this point alone, the two old men Feng and Ao admired it in their hearts, and they were far less ashamed of themselves.

Where did the two of them know that Yun Yu's own cultivation techniques were several kinds of super extreme secret techniques of yin attribute and supreme yin attribute energy, and for the cold and yin wind, his protective aura was sufficient, and there was no need to activate the shield around the body to defend it.

Consistent with what the two old men said before, when they arrived at more than a thousand zhang, the yin wind whistled by, and it already contained an extremely sharp cold micro-crystal wind blade.

The Dao Dao Wind Blade struck through rapidly, that is, the cave had reached a width of dozens of zhang, but it was still difficult to dodge, and it could only be resisted by using its own defensive means.

But at this time, the moist breath contained in the yin wind has also met the growth conditions of the yin wind flower spirit grass.

"Two cultivators, the fork in the road encountered below needs to be searched by the two of you. If you encounter danger, you can crush these two jade talismans directly, and Yun will rush to help when the time comes.

Yun only needs to pick a few Yin Wind Flowers, as long as we find this spirit grass, we can leave here immediately. ”

Looking at the vast cave in front of him, which was still deep and bottomless, it was impossible to detect the end at all, and Yun Yu couldn't help frowning slightly.

Turning around and transmitting the sound to the two Spirit Realm elders, he ran towards the main cave path again.

In the place where the yin energy is pervasive here, and the cold yin wind is howling, Yun Yu is also a little convinced that in such an environment, the possibility of there are powerful demon beasts is not high.

What could threaten the three of them was nothing more than the wind blade formed by the Yin attribute energy that became more and more intense as it deepened.

Fortunately, at this time, although the Ice Cold Wind Blade was extraordinary, as long as the three of them sacrificed defensive means, they could still resist it. But the other two may not be able to last long.

If you want to go some distance deeper, whether there is a more powerful wind blade, Yun Yu is also bottomless.

Therefore, if you can find the Yin Wind Flower as soon as possible, it is naturally better to stay away from this place as soon as possible. Under the search of forks in the road, Yin Fenghua was really found by three people.

Although not every fork in the road will have Yin Wind Flowers, it also makes Yun Yu have expectations for collecting more Yin Wind Flowers.

"Hey, what's that sound?" A few hours later, when the three of them were standing at a fork in the road, they suddenly let out an exclamation, and the old man surnamed Ao shouted urgently.

When you get here, it's not the vast main tunnel, but just a fork in the side road.

Standing in front of the fork, a faint snorting sound came from afar, this sound was dull, there was no sound wave energy contained in it, but it was extremely clear to everyone's ears.

Such a strange situation suddenly appeared here, even Yun Yu couldn't help but be shocked, and his vigilance was greater.

The sound was nothing, it must have come from a very distant place, as if it was somewhere underground, and a huge blast was exhaling and spewing.

"The sound is extremely far away from this place, and it does not contain sound wave energy, it should be some kind of natural phenomenon, but it can also be the existence of an underground wind cave, and the yin wind here is blowing from that wind cave. ”

After standing for a full half a moment, Yun Yu said with a relaxed expression.

Yun Yu's soul power was sent out with all his strength, and there was no abnormality in the far distance, there was no special spiritual aura, it seemed that there was only yin wind and yin attribute energy.

At the beginning of the Demon Soul Secret Land, Yun Yu was in the core area, and he once saw a place where the Yin Attribute Mist was gushing out, although the Yin Wind here was different from that place, it was not ruled out that the sound was the existence of a wind cave mouth.

Although the three of them were unsure in their hearts, they were all very tenacious cultivators, and they only stood for a moment, and when they saw that there was nothing abnormal, they ignored the snoring sound and began to look for Yin Feng Hua again.

A day later, in Yun Yu's storage space, the tenth Yin Wind Flower was finally picked. Standing at the entrance of a passage, Yun Yu's face flashed gloomily, and his brows furrowed slightly.

This place is nearly 10,000 feet away from the original entrance. Even if the cave was slanting downward, this place was six or seven thousand zhang deep from the ground, and the three of them entered the cave at the bottom of the extremely deep gorge at that time.

In such a deep underground, if the rock collapses, with the strength of the three of them, whether they can resist the terrifying squeeze of the rock layer below is that Yun Yu has no bottom in his heart.

Stopping here, the snorting sound transmitted from afar, although it was slightly enhanced, made it difficult for the three of them to judge what kind of existence that voice was.

And the cold of the yin wind here, even Yun Yu had to sacrifice a protective mang's cover to resist it.

The violent impact of the gusts of wind made it even more difficult for the other two to move calmly. The icy ice crystal wind blade, although it still couldn't cause damage to the three of them, was still ten times more powerful than before.

At this moment, the two old men, under the condition of driving their respective secret magic powers and defensive treasures with all their might, have also reached an extremely terrifying level of spiritual power loss.

His face was pale, although he was still able to hold on to the high-level spirit tonic pill given by Yun Yu with all his strength, he had already reached the limit.

In this day's more than one day, if it weren't for the fact that Yun Yu had set up a small defensive formation every few hours for the two of them to refine the elixir and replenish their medicinal power, they would not have been able to enter such a deep place.

Looking at the two pale old men, Yun Yu also knew in his heart at this time that it was impossible for the two of them to go deeper at this moment.

Being in this kind of yin wind with extremely thick yin attributes, the yin wind and cold outside the body are one thing, and more importantly, the weird snorting sound suppresses the minds of the three people, because they don't know what it is, it is even more unbearable.

But the deeper he went, there was an inexplicable sense of vague anticipation in Yun Yu's divine sense.

There is an impulse in my heart to enter the deepest part of the Yin Wind Stream here and see what causes the Yin Wind to howl here.

This inexplicable feeling was extremely vague at first, he didn't have such an idea before, he just wanted to quickly collect a few to ten Yin Wind Flowers, and then immediately withdraw and leave.

But in the depths of this place, the inexplicable feeling in his heart to find out suddenly intensified.

Although the Yin attribute energy is dense here, in terms of purity, it is not much stronger than other places on the Thorn Alliance Island, so it can be concluded that this is not the source of the Yin attribute on the Thorn Alliance Island.

But why did it produce such a violent wind howling underground, Yun Yu was also very curious in his heart.

"Thank you to the two cultivators for making a move, allowing Yun Yu to collect Qi Yin Fenghua in such a short time, the following two cultivators can leave, if the two want to take back their own wisps of true soul silk.

Please go to the mouth of the Jixuan Valley in four years, and as long as you do Yun a small favor at that time, Yun will return the true soul silk of the two. ”

Yun Yu's words were not a threat, but they made the two Spirit Realm cultivators nervous even more than a threat.

The wisp of true soul silk that he sacrificed under persecution, although it would not immediately cause major damage to the souls of the two. But the feeling that the soul is controlled by others is really a pain in the hearts of the two. If there is the slightest possibility of retraction, the two will naturally not let it go.

"Okay, four years later, the two of us will meet with our fellow cultivators at the entrance to the Extreme Xuan Valley. Ao surnamed Haixiu was very decisive, and without the slightest hesitation, he agreed to come down.

The old man surnamed Feng also nodded on the side, didn't say anything, and flew away.

As for why Yun Yu didn't leave the underground place with them at this time, the two Spirit Realm monks also had curiosity in their hearts, but neither of them would ask.

In the past day or so, what the two of them saw, they were really shocked by Yun Yu's methods.

The young monk did not take out a spirit to swallow from beginning to end, nor did he enter the formation to evade and temporarily restore his spiritual power.

It seems that the spiritual power in his body is endless, and his consciousness and soul realm are bottomless, and the way to go is determined by him, and it is much faster to find the Yin Wind Flower than the two of them.

What made the hearts of the two tremble the most was that Yun Yu had never launched a treasure weapon defense in the face of the ice crystal wind blade wrapped in the yin wind, nor had he sacrificed an attack to break it in advance, but only relied on the faint red light that flickered between his own layers to resist and dissolve.

Although the power of those Extremely Cold Wind Blades was only the power of an ordinary Spiritual Realm early stage cultivator's full blow, if a dozen or even dozens of Dao slashed at the same time, even the Ao surnamed Hai Xiu, who was at the peak of the Spirit Realm, would have to sacrifice means to break it.

In front of the two of them, the two of them already admired Yun Yu to the extreme. As for the middle-aged monk who had come with them, neither of them had mentioned a word from beginning to end.

The two of them knew in their hearts that the monk's soul could no longer survive, and perhaps even his soul could not fall into the netherworld.