Xiang Nan's heartbeat began to accelerate, that black book was exactly the same as the black book that Xiao Que stole back.

It is even very possible that the black book in his vows and the one on the mural are the same one.

But what exactly this black book is used for, and what the specific origin is, there is no description on the mural.

It's just that on this picture of people holding up a black book, there are some patterns of unknown meaning, but they give people a strong sense of unease.

"It's an ominous sign. The big snake said: "From these murals, you can probably see that what is recorded in this black book is a very dangerous thing (情qíng). ”

"What it records is probably not a good thing. ”

Xiang Nan also felt this way.

There is a lot of space inside this mountain, and there are many murals.

In order to figure out this problem, Xiang Nan increased his flight speed and flew around the interior of the mountain to see the stories of those huge and magnificent murals.

He found that most of these murals depicted a specific battle with the thunderbolt bull.

As for the records of the black book, there are very few records.

After Xiang Nan finished reading it, he was only about certain of a clue, that is, this black book did not belong to this civilization that had already fallen.

Like Xiang Nan, they also got the black book by accident and successfully opened this thing once.

But how to open it, what is the whole content inside, there is no relevant description on the mural.

However, another picture attracted Xiang Nan's attention, and the picture depicted on this picture had nothing to do with the black book, not even the thunderbolt bull.

Rather, it describes another creature that Xiang Nan is already familiar with, the anti-law creature.

From this mural, Xiang Nan saw an astonishing fact, it turned out that the anti-law creatures of the netherworld were originally "raised" by this lost civilization.

For the warriors of the lost civilization, anti-law creatures are also an extremely terrifying and dangerous thing, and they are also carefully raised, and often if they don't get it right, they will be swallowed by anti-law creatures.

After the end of the war of destruction, before all the humans of this civilization were destroyed, the only anti-law creatures were released.

And how the anti-law creatures came out, I don't know, I only know that when a cow man studied martial arts, he discovered the law of the anti-law, and inadvertently discovered the anti-law space, and grabbed a few anti-law creatures from it.

Xiang Nan thought about it, what the cow man found was probably the Great Netherworld.

And the little netherworld that I went to, and the creatures in the little netherworld, are the part that escaped from this world.

But about the black book, still nothing.

"Let's take a look. "The Great Snake Road.

Xiang Nan has been flying in the air, in fact, the space inside this mountain is still extremely large.

There are all kinds of buildings scattered among them, and I don't know if this was once a sect or an empire.

In short, it should be a very important place, so it is possible to find some strange treasures here.

Xiang Nan descended and found that on the ground inside the mountain, there were a large number of mountain-like buildings, and these vertical peaks were dug out of exquisite and elegant mountain palaces (halls diàn).

It's supposed to be inhabited.

As far as the eye can see, there can be hundreds of thousands of such peaks, densely packed like a coniferous forest.

On each mountain peak there are at least dozens to hundreds of dug out palaces (halls diàn).

Xiang Nan reached out and touched a pillar on the palace (hall diàn), and the pillar quickly turned into dust.

"That's a lot of juvenile people. Xiang Nan was surprised.

The big snake said: "I'm afraid it's hundreds of millions of years away, to say the least." ”

The human civilization that Xiang Nan himself knew began about 300,000 years ago, but after seeing here, he knew that he was only one of many human civilizations.

It turns out that as early as hundreds of millions of years ago, there was a brilliant human civilization.

He flew deeper, and when he looked back from here, he couldn't see the entrance to the mountain anymore, and he didn't know if the warriors had chased after him.

The distance is too far to hear any movement at all, Xiang Nan is standing in this place at this time, just like standing in Haoran Sect in the East China Sea Province, going to Haojing to see, it is impossible to see anything from such a distance.

He found that these mountain peaks and buildings were arranged in a circle, like the stars and the moon.

If we calculate these buildings as a big circle, what is the center of the circle?

Xiang Nan sped up and flew towards the core area at the speed of light, flying for about a few seconds, which can be said to span a million miles.

It is in this vacuum cosmic environment that he can use the speed of light so unscrupulously.

A magnificent palace (殿 diàn) appeared in front of him.

How big is this palace (殿 diàn), Xiang Nan didn't bother to look at it specifically, anyway, it was more than ten times larger than the Haotian Emperor Palace he had seen.

He floated half a meter above the ground, slowly drifting inside.

Immediately afterwards, he discovered a (情qíng) situation, here, it really looks like a sect, and this palace (殿diàn) is like an inner sect, a place where the elders and sect masters live and cultivate.

Because he discovered a very familiar modern term that appeared in such an ancient civilization.

"Creation (hall diàn). ”

Most of the creations that conquer heaven and earth are described as pills.

Xiang Nan was excited, how powerful was the elixir left over from the civilization hundreds of millions of years ago?

Two ancient stone doors stood in front of him, Xiang Nan didn't know what formation this stone gate was forbad, he reached out and touched it gently.

As a result, the stone gate suddenly turned into dust and dust.

"It's a lot easier. "The Great Snake Road.

Xiang Nan floated inside, sighing as he floated: "It's trouble-free, but it's also troublesome." ”

"Even the gate is like this, so even if we find the elixir, I'm afraid we won't have a chance to eat it. ”

Sure enough, inside, there were a large number of quaint pill furnaces and wooden shelves for storing pills.

There weren't many wooden shelves, only three rows, each with ten columns, on which two-thirds of the pills had been taken, and a third remained.

These pills appeared in this kind of place, and they must be qualified to be consumed by the elders of the sect.

Although Xiang Nan knew that he didn't have a chance to eat, he was still very excited in his heart.

He went to look at the brocade boxes and found the corresponding introductions, and immediately gasped at this look.

Eight pins of pills!

The first row of wooden shelves was actually all eight-grade pills.

The wooden shelves in the second row are all eight-pin.

The third column is even more terrifying, and it is actually all nine pins of pills!

Xiang Nan's tears were about to fall, although two-thirds of the pills were gone, but the remaining one-third was also a lot.

But he really couldn't use these pills anymore.

He still had a one-ten-thousandth luck in his heart, and he gently touched a brocade box.

As a result, as soon as the brocade box was touched by Xiang Nan's fingers, it immediately turned into ashes. Including, the colorful and extremely beautiful spherical pills inside also dispersed as soon as they appeared.

Lao Tie! Are you still looking for "Ancient War Venerable" for free?

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(End of chapter)