Reiki, that's a good thing.

There are two kinds of aura, one is the aura of life, which is the foundation of the living body, representing the strength of the vitality and the embodiment of the aura. According to the laws of heaven and earth, spiritual power can be transformed into any attribute, any way, any form.

One is the aura of heaven and earth, since the beginning of Hongmeng, since the beginning of heaven and earth, the aura of heaven and earth has filled the entire space, so that life can be born, if there is no aura, everything will wither. Except for the saint who is on high.

Rustling...... Cheng Xiao moved, stepped on the light green grass, and walked in the direction that the man said.

Along the way, it was fascinating, picturesque.

"Is that the spring?" Cheng Xiao looked at it from afar.

What appeared in Cheng Xiao's eyes was a stall of spring water, and the central part kept bubbling, and it seemed that those springs should have flowed from there.

As he approached the spring, the surrounding grass and trees became more lush, and Cheng Xiao even saw a few fertile rabbits.

For the first time, this was the first time Cheng Xiao really felt the aura of heaven and earth.

And he was desperately inhaling, breathing the air of this world.

"System, can the aura of this heaven and earth be collected?"

[Yes, the aura collection tank, which can be used to load the aura, capacity: corresponding to its level.] Price: 100 points for D-grade causality. 】

"It's too bad." Cheng Xiao frowned and was silent.

"Forget it, I'm not the protagonist in the obscene novel, where did I get so many benefits, the system chose me, it's already a great blessing, cherish it, Cheng Xiao."

Shaking his head, he drank the spring water in front of him until he couldn't drink it anymore, and then began to look around for the traces of the so-called old fairy.

"System, detection."

"System, detection."

"System, detection."

After such repetitive operations, Cheng Xiao also began to feel a little tired, but he still persevered to the end.

"System, detection."

[Detect aura fluctuations.] 】

Just when Cheng Xiao was a little disheartened, the system's prompt appeared.

"Where? Where is it? Cheng Xiao looked left and right, up and down, but didn't find it.

"When will you be able to expand the scope of testing?" Cheng Xiao said helplessly.

[Expand the detection range, D-level detection: 10 D-level causal points.] Scope: 10 square meters.

C-level detection: 10 C-level causal points. Range: one hundred square meters.

Class B detection: 10 points of cause and effect point of class B, range: 1,000 square meters.

A-level detection: 10 A-level causal points, scope: 10,000 square meters. 】

"Alright, alright." Cheng Xiao stopped the introduction of the system.

"Hurry up and find out where the aura fluctuates."

[Use C-level detection once, consume 1 D-level causal point.] 】

"......" Cheng Xiao.

After hesitating again and again, Cheng Xiao still planned to find it by himself, after all, the cause and effect point is unique, and it is not possible to consume it like this without a task.

After repeated investigations, a stone with an unsightly appearance was finally found.

"This is the source of Reiki?" Cheng Xiao asked uncertainly.

[Yes.] 】

"System, can you find out what this thing is?" Cheng Xiao asked.

[Inquiry: 1 point of D-level causality.] If the query target is outside the D-level range, it will be invalid.

"What does it mean to be invalid?"

[The inquiry is invalid, and the causal points will not be refunded.] 】

"......" Cheng Xiao.

"I now suspect that I got you not as a blessing, but as a must."

"Forget it, let's look it up." Cheng Xiao pondered for a long time, and finally gave up on relying on his own strength to study the role of this stone.

【Upon inquiry...... Enchantment Stone. 】

"Huh? And then what. ”

[Inquiry completed.] 】

“？？？” Cheng Xiao was stunned.

"What is the use? You didn't even say the key thing. Cheng Xiao was a little crazy.

[The host can view the library of the world by himself.] 】

"What's that?"

[Record everything in the world.] 】

"So powerful? Then turn it on for me. ”

[To open the Great World Library, you need 1 D-level causal point.] 】

"Nice and cheap. Open. ”

More than ten seconds later.

Cheng Xiao looked at the vast world library presented by the system in a daze.

The number of records is large, but ...... That's all something you can find on the Internet. The most basic thing.

"What's going on?"

[D-level authority area of the Daqian World Library. 】

"What about C?"

[Requires 10 C-level causal points to activate.] 】

"~" Cheng Xiao's wail came from the entire paradise, and several birds scattered and fled.

It is understood that the C-level permission area can be viewed once with a little D-level causal point, but it cannot be recorded.

"Huh~" After stabilizing his mood, Cheng Xiao trembled and opened the C-level permission area.

Suddenly, endless species and all kinds of things were displayed in Cheng Xiao's spirit.

After being startled, Cheng Xiao finally found the introduction of the Enchantment Stone.

[Enchantment Stone, a stone born in a chaotic place of space, is divided into D-level to SSS-level, and its function is to lay down an enchantment and separate the world. 】

"That's amazing! Independence is a world of independence. Isn't there a heaven and earth behind this enchantment stone? ”

"System, can you break this barrier?" Cheng Xiao asked.

[Break the D-class barrier stone, 10 D-class cause and effect points.] Since the host uses the system function for the first time, it is reduced by 6 points. 】

"Break."

Cheng Xiao's ears seemed to hear the sound of glass breaking.

Suddenly, the scenery in front of Cheng Xiao changed, and a small wooden house appeared. Lush greenery next to the wooden house. Ecological nature.

"This ...... It's the so-called old immortal's residence. I didn't expect these things to exist in the real world. Cheng Xiao sighed.

"System, check if there is any danger nearby."

[No danger detected.] 】

"Whew." With a sigh of relief, Cheng Xiao hurriedly pushed open the wooden door and walked in.

The wooden house is very simple, a bed, a table, a chair, a book.

And Cheng Xiao's attention was all attracted by books.

"It's ...... Practice Qi Arts. ”

When I opened the book, I found that it was a strange symbol and language that I couldn't understand.

"System, what's not the solution?"

[All the contents of the book can be directly transferred to the host's mind and fully understood.] Consumes 1 D-rank causal point].

"Good!"

My brain swelled and I felt a little dizzy, but when I came back to my senses, I found that the contents of the book had been deeply imprinted in my mind.

Cheng Xiao was overjoyed in his heart, and immediately cultivated according to the content in the book.

After a few minutes, Cheng Xiao's expression of joy became more and more intense, until he laughed out loud.

"It's useful, I feel the aura of heaven and earth pouring into my body, it's so comfortable." Cheng Xiao groaned.

"So, the next thing is the retreat, the system, is there a way for me to stay alive without eating or drinking?"

[Bigu Dan, consume 1 D-level causal point, you don't need to eat after one month after use.] 】

"Change."

Looking at the pitch-black elixir that appeared in his hand, Cheng Xiao smiled faintly, took it, and then sat cross-legged and entered the cultivation.