Heaven-defying Upgrade System

Although Siyin does not have the magic weapon flying sword, she has something that can protect the sky. This thing is like a blue mandarin, but it is much smaller than a blue mandarin. It looks like a reduced version of the blue mandarin. Also in the shape of a bird, Siyin's flying machine looks more like a little blue bird.

The two sat in the abdomen of the aircraft. What made Liu Fei almost drop his chin is that this little aircraft has something to control its direction! Like the handlebars of a motorcycle, Siyin mastered it skillfully, leading Liu Fei to swiftly sprint through the vines of the world.

The speed of travel is not at all lost to Feijian!

Liu Fei is curious about how it runs? But soon he thought that perhaps this thing was provided by the magical energy just like the Holy Source Gun used by Si Yin.

Liu Fei couldn't help being stunned!

Leaving aside the Ares Continent, if this is brought to the earth, isn't it a new energy source? And this kind of energy looks not only very powerful, but also green! It's just that Liu Fei just thought about it, after all, he didn't know what this kind of thing was.

"Don't you even know something as precious as the Lvyuan spar!" Siyin turned back to ask Liu Fei while controlling the "Little Bird" aircraft, "Are you from this world?"

Liu Fei only said that he was from another place, but he didn't say that he was not from this world. If he said it, no one would believe it. So embarrassedly touched his head and said, "The place I came is very far away. Although I have heard of things here, I have never seen it."

Siyin couldn't help but smiled, and said: "You fool the kid! Anyway, there are not many words you said that are reliable..." Then, he took out seven of the green source spars and handed them to Liu Fei, saying: " This should be for you. You defeated the lava warrior, and you have done the most."

Liu Fei waved his hand and said, "You should take this thing back. I don't want it. I will treat it as living with you and give you the loan fee!"

"Huh, it's generous enough." Siyin said, "I didn't expect you to face these seven green source spars at all. Forget it, if the loan fee is too expensive, since you don't want to hold it, just let it I'll keep it for you first."

Siyin said, the speed of the aircraft suddenly increased again, Liu Fei only felt that light and shadow passed in front of him. If he had not already had the cultivation base of the Seventh Heaven, he would be dizzy by this thing. Up. At the same time, Liu Fei's gaze swept across this mysterious world, and he found that most of the people here are ordinary people, but there are still many strong people, but they are much better than ordinary people. It's not like a monk, but it's as if he was born so powerful.

For the time being, Siyin's cultivation level does not know the specific realm, but Liu Fei can feel that if the people here are cultivating, the cultivation level should increase very quickly.

In a short while, Siyin stopped in front of a huge tree, and then took back her aircraft. Liu Fei took this opportunity to look around. The big tree in front of me looks more like a towering building, surrounded by vines, and from here, there are many small windows above the trunk, which should be where the people live. local.

However, what surprised Liu Fei was that the center of the big tree had obviously been hollowed out, but it was still growing extremely vigorously. Liu Fei, who couldn't figure out the reason, felt very novel!

"Go up!" Siyin said to Liu Fei, and then his figure flashed, and he flew up on the hanging branches and vines. Liu Fei followed closely behind. The two of them got in from what appeared to be a tree hole, and the entrance of the hole fluctuated. After entering, Liu Fei's vision suddenly became clear, and the space inside was too big! And the decoration inside is also very distinctive.

This should be the room where Siyin lives. It is very large and spacious. Except for the entrance hole, there are no windows or other vents. However, Liu Fei didn't feel any sullenness in it, as if there was a feeling. The invisible air flow gently blows up from below, which is amazing.

"This place is very comfortable!" Liu Fei casually found a chair made of vines and sat down. The chair looked very green, like a living tree. After sitting on it, it was more comfortable than sitting on a sofa. Then I looked at the decorations here, everything looked like living in nature, and asked: "How do you sell the houses here? Do you live casually?"

Siyin smiled and said, "Do you think it’s free here? To tell you the truth, if you want to buy a house like this, you need at least ten Lvyuan spar, and the house I live in is very low-level. One kind, but you don’t dislike it!"

No matter how Liu Fei would dislike it, he would be more comfortable sitting here than lying down. If he had the opportunity to return to the Martial God Continent, he must build such a house. However, Liu Fei seemed to have thought of something, and said slightly: "You can buy this house with only ten Luyuan spars. What is the value of the Luyuan spars?"

After Siyin came back, she changed into her revealing outfit. I didn’t know where to find a white gauze skirt to wear on her body. It was better to say that it was a gauze skirt made of a special kind of fine silk. It's not completely white, but a little green is faintly revealed. When she wears Siyin's body, her body has a looming feeling inside, which is fascinating!

Moreover, when Siyin sat next to Liu Fei, her body exuded a faint fragrance, not like a floral fragrance, but like the pure fragrance in the air after a spring rain.

With such a lively beauty sitting next to him, Liu Fei almost didn't control himself. Fortunately, he had a certain level of mental cultivation, so he narrowed his mind and looked away, so that Siyin didn't take it away. Soul hook away.

"Let’s put it this way, one green source spar can be exchanged for ten green energy spars, and one green energy spar can be exchanged for ten green spars." Siyin knew that Liu Fei didn’t know much about the world, so it was simple and clear. Introduced to him.

Liu Fei nodded slightly, and then said: "Lvyuan spar shouldn't be the most expensive thing, right?"

"I don't see it, you are quite smart." Siyin laughed, and then said: "Yes, Lvyuan spar may be quite precious to me, but it is not the most expensive here, because ten yuan The green source spar can be exchanged for another green source crystal."

"That's it!" Liu Fei nodded. At the same time, I thought that in this secret realm, the green source spar is equivalent to the spiritual stone of the monks, and if the guess is correct, the energy of their cultivation is also ingested from this green source spar.

After Liu Fei figured out this, Siyin next to him leaned a little closer, and said, "My son, you are very smart and your cultivation level is good. How about teaching me some skills?"

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