After recalling the entire set of Heaven Devouring Demon Skills in his mind, Liu Bi took a deep breath.

Then, he suddenly opened his eyes, without any hesitation, he directly destroyed the treasure map in his hand and the upper scroll of the Heaven Swallowing Demon Skill, and looked at the vines above his head, Liu Bi suddenly exerted a force, ready to destroy all the vines that recorded the Heaven Swallowing Demon Skill, so that he was the only one in the world who could swallow the Heaven Demon Skill.

"Bang!"

The qi hit the vines with a muffled sound, but Liu Bi's brows furrowed.

Although the power he used in this hand is not very large, it is also one-tenth of the true yuan power of the real fight, not to mention a small vine, even a peak great grandmaster, if he is hit like this, he will be beaten to ashes.

But the vine was unscathed, but the dust on it was scattered a little.

"Huh? It seems that there are still weirdness. ”

Liu Bi stopped and carefully examined the slightly strange vine that was close to withering.

"What's going on?"

The vines were in Liu Bi's hands, and Liu Bi used the power of True Yuan to probe, but he didn't find any abnormalities, and suddenly, his complexion became even more strange.

"It's no different from a vine and an ordinary vine, but why can't I do any damage to it with this blow?"

Thinking about it, Liu Bi decided to peel off the vines and take a look.

He put his fingers up, and the power of the true yuan surged, and soon a sharp thin sword was formed on top of his two fingers, and Liu Bi aimed the tip of the thin sword at the vine and stabbed it hard.

"Ding!"

The rapier and the vine intertwined, and there was a crisp sound like metal colliding.

"It's weird, but I have to uncover your mystery today!"

Thinking about it, the surging power of the True Yuan from before was focused on the small sword, and the sharpness of the small sword suddenly increased several times again.

"Hah!"

Liu Bi let out a low snort, and stabbed down again, "pop", this time, the vine was finally pierced by Liu Bi A small hole.

"This ...... It's ......"

At the moment when the hole appeared, Liu Bi's complexion changed drastically, because he keenly felt that from the inside of the hole, the inside of the vines actually exuded a burst of spiritual power that was so rich that it was almost suffocating.

"Sla!"

Liu Bi used a lot of force, cut the small hole, opened a long opening, and when he saw the scene in front of him, he couldn't help but swallow hard.

The inside of the vine was full of teeter-green juice that was extremely thick and sticky like mud.

And the powerful spiritual power aura contained in those cyan sap was even more powerful and abundant than the life tree sap that Liu Bi accidentally obtained.

"This can almost be used as an elixir!"

Liu Bi's eyes flickered, and it was an irrepressible light of excitement.

He glanced quickly at the vines hanging above the stone door.

"These vines, there are a total of thirty-two, doesn't this mean that I have thirty-two top-grade elixirs to improve my strength?"

"Damn, what a windfall!"

Liu Bi licked his lips excitedly, and without saying a word, he sucked up all the cyan juice in a vine with one mouth.

Then, he sat down cross-legged directly, preparing to refine all the spiritual power in these cyan juices, and see how much this cyan juice, which was full of extremely rich aura, could improve his strength.

As soon as he was lucky, Liu Bi's complexion changed drastically again, and this time, the excitement on his face suddenly became even greater.

Because he found that these cyan juices containing extremely rich spiritual energy were all true yuan power that could no longer be refined!

This kind of true yuan power does not need to be refined at all, it can directly flow into his dantian and completely become his own true yuan power to use.

"Awesome! The Heaven Swallowing Demon Emperor is really powerful! This way of bringing out the power of pure true yuan out of the body and preserving it is simply unheard of! ”

At this moment, Liu Bi was so excited that he couldn't wait to jump up and laugh excitedly three times.

"Although it is said that after the loss of these true yuan powers for an unknown number of years, the power of the true yuan left behind is already very weak, but for me, it is still comparable to any superb elixir! If you absorb all the true yuan power in these thirty-two vines, I am afraid that even if you ascend to the sky and advance to the fourth order of the innate transformation realm in one step, it is not impossible! ”

Thinking about it, Liu Bi didn't hesitate and did it!

He stood up and pulled down a cyan vine again, using the power of True Yuan to condense into a sharp small sword to cut the vine, and then directly sucked all the cyan juice inside the vine into his body.

A ......

Two ......

Three ......

In the blink of an eye, Liu Bi had devoured twenty-four roots, and at this time, he was already at the peak of the third order of the Innate Transformation Realm, and he had already faintly felt signs of a breakthrough.

Liu Bi did not stop and continued to swallow.

Twenty-five ......

Twenty-six ......

Twenty-seven ......

When he devoured the twenty-eighth root, Liu Bi keenly felt that his dantian suddenly made a "pop" sound, and then, the dantian that was only the size of an egg suddenly broke open and then reorganized, becoming the size of a coconut.

At the same time, the power of pure golden true yuan, which was originally filled with the entire dantian, can now only fill one-tenth of the dantian.

"Innate Transformation Realm, Fourth Order, it's done!"

Liu Bi stood up suddenly, looked up to the sky and laughed.

There has never been a moment when he feels that it is so easy to break through and improve his strength.

Although this stone gate has a very strong ability to resist blows, the sound insulation effect can only be regarded as average.

It was Liu Bi's wild laughter that immediately drifted into the ears of Chen Lao and Tiansong Daochang, who were waiting outside the door.

Elder Chen and Daoist Tiansong glanced at each other when they heard this, and both of them understood very well in their hearts: Liu Bi was so happy because he had gained some great benefits in the secret room.

Thinking of this, Chen Lao and Tiansong Dao Chang were very unhappy in their hearts.

"Junior! Don't be complacent, when you come out, it will be when you die and have no place to be buried! ”

The Tiansong Dao Elder roared loudly in anger.

Chen Lao's face was also gloomy, if he could open this stone door, he would definitely rush in and beat Liu Bi to death as soon as possible.

The roar of Tiansong Dao shook the sky, and Liu Bi inside the door naturally heard it, Liu Bi continued to laugh wildly and mocked.

"Dead old ghost! When you're outside, you're not my opponent, I'll wait for Lao Tzu to go out, and Lao Tzu can kill you with one punch! You just wait for me to die! ”

"Don't be reckless, come out if you have the ability, I'll be one-on-one with you, see if the old man doesn't beat you up and beg for mercy!"

Tiansong Dao's nostrils were smoking, and he almost couldn't help jumping to his feet.

The door was quiet, Liu Bi shook his head, pouted and said disdainfully.

"You stupid, I'm not stupid, you want me out? Don't worry, when Lao Tzu absorbs the power of the true yuan in the remaining dozen vines, he will go out, and when the time comes, don't fucking regret it! ”

Liu Bi sneered, calmed down, sat down cross-legged again, and continued to devour the pure True Yuan power in the cyan vines.

Ten minutes later, a total of thirty-two cyan vines had all been consumed by Liu Bi, and at this moment, his realm had also completely stabilized in the early stage of the fourth order of the Innate Transformation Realm, and he had even taken a step towards the middle stage of the fourth order of the Innate Transformation Realm.

Maybe when the power of the true yuan in the cyan vine has not passed at all, the benefits that Liu Bi can get are far more than that, but to be able to have such an improvement now, Liu Bi is already very satisfied.

"Next, it's time to practice the Heaven Swallowing Demon Skill well, as long as you practice all the heart and various methods of the Heaven Swallowing Demon Skill, and after you are proficient, you can use it. When the time comes, I will go out, and I will take these two old guys outside to pay tribute to my exercises, both of them are the peak of the fourth order of the Innate Transformation Realm, if I devour and absorb all their skills, it is estimated that my strength will increase a lot! ”

Thinking about it, Liu Bi closed his eyes and began to practice the Heaven Devouring Demon Skill.

According to the mental method of the Heaven Swallowing Demon Gong, Liu Bi began to operate the power of the True Yuan, and then according to the records above of the Heaven Swallowing Demon Gong, the power of the True Yuan was guided to specific meridians and acupoints, and then began to run slowly.