The cave where Lin Mu was watching at this time was a place marked as a Chaos Ancient Mine.

This is a very distant ancient mine, the age of which is completely unverifiable, and it is possible that it began in ancient times. Originally, I thought it was abandoned, but now there is a trace of chaotic fog, which has regained everyone's attention.

Anything, once associated with chaos, is extraordinary.

Intuitively, Lin Mu felt that his fate should be here.

Put away the jade slip, and Lin Mu also quickly headed there.

This place is a little far from where the trees are.

So by the time Lin Mu arrived here, it was already a month later.

By the time Lin Mu arrived here, he saw that there were already a lot of people gathered here.

This is not surprising at all, such a place itself cannot be hidden.

It's just that what makes Lin Mu curious is why these people are surrounding, but no one goes in. There is no obstruction from the first supreme or the ancient powerhouse here, this place is completely open.

Lin Mu didn't care about these for the time being, and also looked at the ancient mine where the chaotic mist silk appeared.

Lin Mu used the regular eye of the sky, and he also carefully stared at the ancient mine opposite.

The age of this ancient mine is definitely very long. However, if you look closely, you can really see a faint trace of chaotic qi.

This trace of chaotic qi, although fragile. But it's real, and it's clear that there's really something good down there.

Rumble!

Just when Lin Mu was puzzled, an explosion suddenly occurred in this ancient mine, and then a blood dragon rushed out directly.

The blood qi of this blood dragon is very strong, and at the same time, it is also very vast, and it should obviously belong to the first generation of supreme.

"Another first-generation supreme has fallen, what kind of terrifying things are there under this ancient mine, this is enough for you to fall eight first-generation supremes in succession."

Seeing this blood dragon burst out, the people outside were also amazed.

Although there are not many first-generation supremes who have entered this time, eight have died in a row, which is definitely a big deal.

At the same time, Lin Mu also understood why no one stopped him here, but he still dared to go deep with others.

The first generation of supremes all died eight times in a row, and even if no one stopped them, no one dared to enter.

Lin Mu watched outside for a long time, but he didn't find anything unusual. In the end, he also plunged into that ancient mine.

Seeing Lin Mu in such a middle stage of Xuan Immortal, he dared to enter like this. The crowd shook their heads and sighed.

So many primordial supremes have fallen, and Lin Mu's entry in the middle of a Xuan Immortal is just one more cannon fodder.

The forest entered the ancient mine, and the people outside also lost the figure of the forest.

Because above the ancient mine, there is a trace of chaotic qi, which can cover the heavens.

After Lin Mu entered the ancient mine, he also found that his understanding of the ancient mine was somewhat biased.

Here and there are ancient mines, and this is clearly an underground world.

This ancient mine has been almost hollowed out, and the area below is so vast that the forest trees can't see the end at all.

After the forest enters, it is also advancing rapidly. I want to see what dangers there are in this underground world that can make the first generation of supreme blood.

Lin Mu walked back and forth in this underground world for half a day.

But here is a flat river, there is no sign of danger at all, and there is no dangerous formation that can make the first generation supreme fall.

"It seems that there should be nothing here, everything should be in the depths, and there is no place to be explored." Lin Mu muttered to himself in his heart, and then quickly rushed to the deepest place.

The speed of the forest is extremely fast, but the area of this underground world is too vast.

The forest flew for more than half a month, but there were no unmined barriers.

"That's not right! This underground world has existed for too long. How can there be no life? Lin Mu looked at the thousands of miles of red land here, and he also felt a little strange.

"Hmm!"

Out of the corner of Lin Mu's eyes, he suddenly swept something, and then fell to the ground as well.

What Lin Mu saw was a scrapped ore vein, which was once rich in a kind of superb immortal material. It's just that this place has been hollowed out now, but it is this hollowed-out vein that attracts the attention of Lin Mu.

Because normally, this vein is hollowed out. It stands to reason that it shouldn't, there is no residue left.

Lin Mu has walked all the way, and he has seen a lot of such completely hollowed-out ore veins.

Lin Mu didn't think there was anything before, but now it seems that there is indeed a problem.

When Lin Mu entered this vein, he also searched carefully, trying to find a little clue.

Lin Mu searched carefully for a long time in the veins, and finally found something interesting.

Lin Mu picked up a piece of the bitten piece from the ground, and half of the best immortal material was left, and then his brows couldn't help frowning.

This is an extremely hard immortal material called Blood Yang Gold. It is used to refine top-level immortal weapons, and it is generally impossible to be bitten.

And judging from the traces left on it, the one who gnawed on this blood yang gold was not a huge animal, but a bit like a bug.

Bugger! Right! It's bugs!

Lin Mu thought that when he was in the cultivation realm, he had encountered a kind of insect called the gold-eating ant.

This is a spirit beast that feeds on various immortal materials, and although it is very small, it also has unimaginable power when gathered.

If it weren't for the fire in the forest that day, I am afraid that I would have been devoured by the gold-eating ants.

However, the situation here is obviously not caused by gold-eating ants, but by something that is countless times more powerful than gold-eating ants.

Lin Mu once heard the people of Guangdao say that in ancient times. There was once a powerful insect supreme man.

This worm lives by devouring all kinds of extremely talented earth treasures. At the same time, she also evolved by devouring these genius earth treasures, and the result of his final evolution was a kind of Chaos God Worm.

This kind of Chaos Divine Worm, rumored to be in the primeval world, can be ranked with the most powerful divine beasts, very terrifying and powerful.

This divine insect once caused a big wave in ancient times, if it wasn't for the supreme action in the end, I'm afraid that the ancient times would have accelerated their demise even faster.

"Is it that kind of god worm again?"

Lin Mu was a little unsure, but all signs seemed to indicate that it was the divine insect that caused all this. The divine insect that once had the potential to cause devastating disasters in ancient times.

"If it's really that kind of divine worm, it can be explained. Why did these first supremes die tragically? This kind of divine insect that has given birth to a trace of chaotic qi, not to mention the first generation of supreme, even if it is an immortal king. Even if the Immortal Emperor came in, I am afraid that it was thrown in vain. ”

Lin Mu looked into the distance, but thought of something.

If that divine insect had already evolved a trace of chaotic qi, how could it not come out to wash the ancient mine with blood, this is really a bit unreasonable.

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Group number: 199488169!