The sky gradually brightened, and when a ray of light fell into the depths of the undead realm on the morning of the fourth day, the figures of Du Fei and Biluo stopped almost at the same time, and then their eyes fell to the place ahead.

Both of them exhaled slowly at the moment, staring at the place ahead with a somewhat strange expression.

At a distance of only a few dozen meters from them, that is, the destination marked on the map, at this moment, a thick layer of fog could be seen gathering together layer upon layer, making it impossible to see what was inside. It's just that this mist is pure white, and after Du Fei casually tried it, he found that this mist should be naturally formed by the evaporation of water vapor between heaven and earth, and it is not a prohibition like the wall of miasma seen before.

"Let's go inside, there's no time to hesitate any longer. After staring at the scene in front of him for a moment, Du Fei slowly exhaled and said in a deep voice.

"Be careful. Biluo nodded and said in a deep voice.

Hearing this, Du Fei smiled, but his body moved, and he walked in first.

Although the sky was a little brighter, the feeling of walking in this fog was not much better, although it was not as amazing as the miasma encountered when entering the realm of the undead, but it was not able to make people see a little farther.

After walking for a while, Du Fei found that this place was basically no different from the one they had walked before, full of low trees and rocks that stood like blades. But the strange thing is that they have been walking in this fog for nearly half an hour, but those demon beasts that gave them a headache before have not encountered half of them at this moment, as if this is a dead domain.

In the smoke, Du Fei and Biluo glanced at each other, and each saw the look of surprise in each other's eyes, but the two didn't say anything at this time. As the saying goes, something abnormal is a demon, although the two of them didn't find anything dangerous at the moment, but they also understood that the abnormality was so obvious at the moment, how could it be so simple?

With this kind of cautious thought, the speed under the feet of the two was a little slower, but after walking for another half an hour, the two found that the danger they imagined did not appear, if there was anything strange, that is, the blade-like rock, which was gradually invisible, and the dwarf bushes also slowly disappeared, replaced by tall trees, these trees were seen at the beginning of some bowl thickness, but soon, what appeared in front of Du Fei and the two of them was the thickness of a wooden barrel, and then continued to grow！

And the strangest thing is that these trees are full of life, but on their bodies, not only do they not have any birds and beasts, but even the most ordinary insects have disappeared, as if these trees are growing alone.

Du Fei and Biluo's movements paused again, although at this moment, it seems that this scene is not wrong with the map marked on the map given by Modanu, and there are indeed trees everywhere, but such a scene is inevitably a little strange in people's hearts, as if the two of them were walking in the forest unintentionally, but fell into a huge maze of trees.

And in this labyrinth, there is a faint murderous aura, waiting to be released!

"If you go on like this, it's definitely not a way, if you go on like this, even if you don't encounter any danger, you can probably drive people crazy. After standing in place for a moment, Du Fei suddenly spoke softly.

"Then what do you say?" Biluo was obviously a little confused about the situation at the moment, and said softly at the moment.

"Speed up, I want to see what's inside!" Du Fei snorted, and then his body moved, and he took the lead in the volley, and behind him, Biluo also followed quickly.

This time, without those dangerous considerations, the speed of the two was much faster, but in order to search for the Rongtian Pill, the two of them were only a few meters away from the ground, which was not high.

With the two of them doing this, pieces of trees kept disappearing behind them, but the imaginary danger still did not appear for half a minute, the only thing that made the two of them feel strange was that those trees had become bigger and bigger, and in the end, I am afraid that they were so big that six or seven people could not hug them. Just looking at this, you can see that the lifespan of these trees is probably unimaginable.

In this increasingly strange wood, the figures of Du Fei and Biluo suddenly stopped in mid-air, and then looked ahead.

At this moment, something completely different from before finally appeared in front of the two of them.

The appearance of this thing caused both of them to breathe a sigh of relief almost at the same time, and then their eyes quickly looked over.

In front of them was a wall.

Wooden walls!

The walls were full of tree textures, and occasionally cracks appeared, so abruptly they appeared in the woods. However, the wooden wall was dozens of meters high, crawling on the ground like a dragon, and then it spread out from somewhere, and where it spread.

Du Fei and Biluo frowned and stared at this scene, and after a while, Du Fei made a gesture, stepped forward a few points, and stared at the wooden wall carefully, but after looking at it for a while, the corners of Du Fei's eyes twitched slightly.

"I'm afraid, I know what this is?" Du Fei let out a long breath, as if to hide the shock in his heart, and said slowly.

"What is it!?" Biluo seemed to understand something, but she didn't want to believe it like that, so she just stared at Du Feidao like this.

"It's the roots! This huge wooden wall is probably the root of an unimaginable giant tree, and that giant tree should be the end of our journey. Du Fei took a slow breath, and then spoke softly.

As the words fell, Du Fei and Biluo's eyes swept along the direction of the spread of the wooden wall almost simultaneously, and at the same time, the spiritual power of the two quickly diffused out, assisting their visual perception.

"Whew-"

In the forest, I don't know when it began, a violent cracking wind blew a little, blowing away the clouds and mist a little. Then, in the sight of the two of them, under the perception of the two of them, a huge tree that completely surpassed their imagination appeared not far in front of the two of them.

The trunk of this tree was so thick in the fog that it could not be seen, and the rough bark wrapped around the trunk, making this huge tree look like a mountain peak falling from the sky, reaching into the ground, and then reaching straight into the sky!

Du Fei and Biluo, in front of this huge tree at this moment, are as small as ants!

Such a scene, it is estimated that not only the two of them, but anyone from the Nine Heavens Xuanzong and even the Xuanwu Continent who appeared here at this moment would be as shocked as they were speechless.

Du Fei exhaled slowly, and came back to his senses, and after a while, he glanced sideways at Biluo, and said lightly: "The world is so big, there are no surprises, it's just that the Rongtian Dan, which ranks fourth on the Heaven and Earth Yuan Dan list, has such a pomp in the place where it was born, and I don't know where the top three Heaven and Earth Yuan Dan will be born." ”

"I don't know about this, it's just that if it looks like now, I'm afraid that if we want to get the Rongtian Pill, we still have to climb a tree......" Biluo also woke up from the shock, and then she just smiled.

"Let's go, let's take a good look at what we didn't expect here. ”

Du Fei smiled, and then waved his hand, and suddenly his figure rushed up first, and Biluo saw this scene, and he also quickly followed.

"Whoa—"

The figures of the two of them swept straight upwards in the fog like this, and it was obvious that both of them understood that if something really existed, that place of existence was probably this top place.

It's just that the seemingly thin fog is continuous at this moment, and the two of them have been flying for about half an hour, and they still haven't seen the fog dissipate, which makes people wonder if this tree will really go straight to the sky.

"Whoa—"

A sharp sound of breaking wind sounded, and the figures of the two moved in the mist, passing through in an instant, and then finally falling on the mist.

And the moment the figure settled, the eyes of the two swept towards the place behind them almost at the same time.

Even at such a high point in the sky, the two of them saw that the giant tree was still hundreds of meters thick, and thinking about the distance that the two had climbed before, it was impossible to imagine that this was a tree.

I'm afraid that this tree was born from the legendary ancient times, and has been there until now, otherwise, where would there be any reason to explain the scene in front of us?

"Let's move on!"

Du Fei raised his head and stared at the faint shadow above the sky, presumably, at this moment, it should not be far from the canopy.

Hearing this, Biluo also nodded, most likely he also had some similar thoughts in his heart.

"Uhhh

The figures of the two of them continued to fly away from the top like this, and because there was no mist, the two of them could see clearly, as they rose, the trunk continued to shrink, from hundreds of meters, gradually to a hundred meters in size.

After a few more minutes of flying like this, all of a sudden, a huge canopy appeared in front of the two of them.

The two figures that had been rushing upwards froze at this moment, and their eyes fell to the place in front of them almost at the same time.

It was the canopy of a large tree, but it was still as wide as a square, and when the eyes fell to the center of the canopy, a voice sounded in the minds of both of them at the same time.

"It's finally here!"