With the injection of spiritual power of the Buddha Dao, the runes of the Buddha Gate on the stone gate flashed with a touch of golden light, and then the stone gate trembled slightly, and opened itself with the sound of 'boom'.

The sound of the stone door opening was not very loud, and for Lu Qing, it felt as if there were mosquitoes flying in his ears.

Although there was movement, it was not enough to alarm the people of Tianyin Temple.

As the stone door opened, Lu Qing also walked into the cave.

I saw a huge jade stone about seven zhang high, smooth as jade, standing there, there was no trace on it, only wisps of mysterious divine light flickering faintly from time to time.

Ordinary and mysterious at the same time.

This is the fourth volume of the Book of Heaven: Wordless Jade.

Looking at the wordless jade, Lu Qing didn't appreciate it much, and said in his heart: "System, start burning." ”

Bite.

"Due to the special nature of the wordless jade, it takes 500 causal points to burn the content of the Heavenly Book in it, do you want to continue?"

Hearing the system's words, the corners of Lu Qing's mouth twitched slightly, and he was silent for a moment before he said, "Go on." ”

Alas, these days, cause and effect points are like money.

Everywhere you go, you need a causal point.

Three seconds later.

Bite.

"Burn complete."

"Okay."

Hearing this, Lu Qing raised the corners of Yang's mouth, turned around and walked outside without the slightest hesitation.

If you don't leave at this time, when will you be blocked inside?

When Lu Qing left the cave, the stone gate moved itself, and then closed again with a soft 'boom'.

Seeing this scene, Lu Qing was not only stunned, this stone gate still has this function?

Unbelievable, unbelievable.

Although he was a little surprised by the mechanism design of the stone gate, Lu Qing didn't have any curiosity, and after glancing at the closed stone gate, his mind flew into the sky.

Then he thought about it and flew in the direction of Daze in the west.

After Lu Qing left, more than ten minutes passed, and Pukong came back with an expressionless face.

Just as he wanted to go back to his place and sit cross-legged, he suddenly stared at the stone gate, a look of surprise appeared in his eyes, and he hurriedly walked to the stone gate.

Put your hand on the stone door, and then enter the spiritual power of the Buddha in your body.

After a while, the stone door opened again.

Flashing to the inside of the cave, Pukong frowned and looked around, and then looked at the wordless jade, and found that there was nothing unusual.

"What's going on?"

However, on the contrary, it was precisely like this, Pukong's brows furrowed even tighter, and his heart became even more suspicious.

Just now he found that the stone door seemed to have been opened, you must know that the stone door has not been opened for a long time, and he can detect the slightest change.

However, now it was found that nothing had changed, and the wordless jade was intact, and not even a single trace of footprints had been made on the ground.

You must know that there is a layer of fine sand on the ground inside the cave, and even if it is just a mouse, as long as you walk on it, it will leave a trace.

But now there are obvious signs of the stone gate being opened, but there is no trace of any movement underground.

This made Pukong puzzled and uncertain.

Thinking of the three 'evil spirits' that appeared before, Pukong's expression changed faintly, and he came out of the cave, and after the stone door was closed, he began to cast a spell with both hands.

I saw a ray of golden light emerge from his hand and spread out, and in a short time, it turned into a translucent large 'swastika' symbol on the stone door.

After doing all this, Pukong's figure disappeared in a flash.

And the 'culprit' who caused all this had already left Mount Meru at this time and was heading in the direction of Daze in the west.

Above the clouds, Lu Qing turned into a streamer, flashing like a meteor.

"System, is there any way you can let me enter the Heavenly Emperor's Treasury in advance?"

Bite.

"Wait a minute, the gods are calculating a feasible solution."

“……”

Hearing this, Lu Qing waited while flying.

A few minutes later.

Bite.

"Honor God, find a way that works."

Lu Qing's eyes lit up slightly, and he asked, "What's the way?" ”

Bite.

"The system can consume cause and effect points, and then use the power of cause and effect to create a connection with the laws in the Heavenly Emperor's treasury, allowing the gods to enter it."

"It's cause and effect again."

The thought flashed, and Lu Qing frowned and said, "How many causal points do you need?" ”

"According to calculations, it takes 5,000 causal points to communicate once."

“……”

Hearing this, Lu Qing frowned, it takes 5,000 causal points to communicate once, so wouldn't it cost a total of 10,000 causal points here.

After all, communication is required to go in, and communication is definitely required to come out.

In this way, there are only more than 10,000 causal points left, and I don't know how much it will take to bring back Shao Si Ming and Asuna, who are superiors such as B.

After hesitating for a while, Lu Qing still made a decision.

Nothing was said all the way.

The stars are moving, day and night alternate.

The next day, Lu Qing came to the Western Swamp where the Heavenly Emperor's Treasury was located, although it was a swamp, there were many places where lush trees grew.

Especially the closer it was to the 100-million-year-old divine tree where the Heavenly Emperor's Treasury was located, the taller and older the trees grew.

This is undoubtedly not very scientific, after all, the 100-million-year-old Divine Tree goes straight into the sky, and at first glance it can be called the Optimus Pillar, and growing there will definitely take the surrounding nutrients as their own.

But this is the world of cultivating immortals, a person has the power of gods and ghosts, and even people who have lived for thousands of years are no longer a few, this world is unable to talk about science.

After entering the Western Swamp, it didn't take long for Lu Qing to vaguely see the 100-million-year-old divine tree standing between heaven and earth, like a pillar supporting the sky.

When he saw the Tree of Life of the Elven Kingdom in the Dragon Valley World before, Lu Qing was already quite amazed in his heart.

Now comparing the Tree of Life with the 100-million-year-old Divine Tree in the Zhuxian World, I find that the Tree of Life doesn't seem to be nothing.

When Lu Qing approached the 100-million-year-old Divine Tree, he couldn't help but be amazed when he saw the scene in his eyes.

The thick trunks of the trees seem to be impossible to see up close, and there is a white mist floating around them, and huge 'mountains' can be faintly seen all around.

But Lu Qing knew that it was not a mountain range at all, but the roots of a billion-year-old divine tree.

After being amazed, Lu Qing hid his figure and flew towards the top of the 100-million-year-old divine tree, the speed of his flight was not very fast, and at the same time he carefully watched the movements around him.

Because this is the hole card of the ancient beast Nine Heavens Yellow Bird, it has been guarding here.

In terms of strength, the Yellow Bird is not weaker than the Black Water Snake, and even if it fights to the death with the Black Water Snake, because it is its natural enemy, the Black Water Snake will even die.

A thousand years ago, the Black Water Snake had a fight with the Yellow Bird, but in the end, it was defeated and fled into the merciless sea beneath the Necronomicon Abyss, and was even mistaken for being killed by the Yellow Bird.

It was not a wise choice to fight the Yellow Bird in the sky, not to mention that the Yellow Bird's strength surpassed Lu Qing by a lot.

Lu Qing came to get the third volume of the Book of Heaven, and he didn't come to fight with the Yellow Bird.

So Lu Qing just wanted to come silently and then go silently, trying to avoid conflicts with Yellow Bird.

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