Chu Mo didn't know that because of himself, Xiao Xiangling got the Vision of God in advance, met Guoba in advance, and was accepted as an apprentice by Grandma Ping in advance. His little butterfly, even if he flapped his wings slightly, would bring great changes to the original plot.

Of course, even if Chu Mo knew, I'm afraid he wouldn't care. If the plot doesn't change, if fate is predetermined, then what's the meaning of life?

It has been more than six months since Hatsumo came to Mt. Okuzang, and although there are not many entertainment measures on the mountain, it is not as boring as Hatsumo imagined.

The cave of Liuyun borrowing the wind is like the Luofu Cave of the Dust Song Pot, and the islands are floating together. But after the first ink came, the island, which originally looked like a ruin, began to build infrastructure.

The island where Chu Mo is located is almost being built into a small Liyue Harbor by Chu Mo. Although Chu Mo can't live alone, he is idle anyway, so as soon as he has time, Chu Mo will exercise the control of the rock element power to build infrastructure, and with his proficiency, as long as he stomps his feet, he can use the rock element power to build a four-household courtyard!

Of course, apart from infrastructure, the rest of the time is invention. said that he came to learn the methods of the immortal family from Liuyun borrowing Feng Zhenjun, but it is better to say that he followed Liuyun to learn from Feng Zhenjun to learn invention.

Chumo wanted to reproduce the technology of his previous life, and Liuyun borrowed the wind Zhenjun and had a soft spot for invention, and the two hit it off. In the past few months, Chu Mo and Liuyun have invented and manufactured Teyvat versions of bicycles, electric vehicles, rice cookers, air conditioners, washing machines and other electrical appliances.

Of course, because the electricity in the Teyvat continent is inseparable from the thunder element, the two simply invented a "generator"!

Although it's called a generator, it's like a Vision that can't be finely controlled. To put it simply, this "generator" can absorb the forces of various elements in the world and then convert them into electricity, and the conversion rate is no less than that of controllable nuclear fusion!

Even if he was inventing things every day, Chu Mo did not delay learning. Almost every time he invented something, Chu Mo could learn all the techniques of such a thing, including the principle of elemental power and the immortal family's talisman method.

Boom!!!

A burst of black smoke rose with a loud noise, and in the distance, Shen He, who was practicing the Fu Seal, did not change his expression, just glanced up, and then continued to depict the Fu Seal.

This is not the first time that such a scene has appeared in the past few days, and Shen He was still a little worried at first, but now his heart has no fluctuations.

"Tsk, huh? No, why did it fail again? ”

Liuyun borrowed the wind Zhenjun's blue-white and supple feathers had been smoked black, and he looked like a half-roasted chicken that had not yet been cooked, and there was no longer any appearance of an immortal on his body.

On the other side, the little white and tender face of the first ink was also stained with ash, and even because of the lifting of his hand to wipe the sweat, the small piece of black ash was wiped all over the face. If Ganyu sees such a first ink, he will definitely take the first ink away from Liuyun and the wind Zhenjun, and the emperor can't stop it!

Chu Mo raised the long iron pipe in his hand, put it in front of his eyes and observed it closely, and said matter-of-factly: "Could it be that the iron pipe is not good?" ”

"Possibly." With a wave of Liuyun's wings, the iron pipe floated in the air, one end of the iron pipe was intact, and the other end was blown up, "Of course, it is also possible that we have put too much explosives." ”

That's right! What the two of them are currently working on is nothing else, but firearms!

Because the civilian equipment was almost studied, the two had a whim and prepared to study military firearms. Of course, this research is like a civilian one, and it needs to be separated from the elemental forces and made it available to ordinary people. It is because of this that this study has stuck the two for so long.

Chu Mo couldn't get in touch with the manufacture of firearms in his previous life, so he could only put forward the principle. Liuyun borrowed the wind Zhenjun to know a little about firearms, and wanted to make a firearm that could be put into use, and the two of them had failed hundreds of times, and it was hard to find the right method and principle, but they found that the materials didn't seem to be good......

Liuyun borrowed the wind Zhenjun and waved his wings, and a large pile of minerals appeared in front of the two of them out of thin air. Chu Mo had long been surprised by this situation.

"Is the crystal mine okay? The texture of crystal ore is still very hard. It's really not okay to mix a little magic crystal ore, but the magic crystal ore may be a little unfriendly to ordinary people, and if the amount is too large, something may happen. "Liuyun borrowed the wind Zhenjun to pick and choose among all kinds of minerals.

Chu Mo pulled the other minerals away, "Definitely not!" What we want to do is the standard weapon of the Millelith military, and the crystal mine is too precious. In my opinion, the base of the firearm still has to be iron ore and marcaite. But it is necessary to melt and forge into steel, make alloys of various metals, and increase the hardness! ”

As he spoke, the rock elemental power in Chu Mo's hand surged, instantly removing the impurities in a piece of iron ore, and the head-sized iron ore instantly turned into several fist-sized pieces of pure iron. Then there is the purification of marcasite, and finally the hardness and heat resistance and cooling of the alloy fused with two irons are continuously tested, and finally a little other metal is added to continue to test the indicators.

Without the power of the rock element, forging would never be so simple!

"It's done! Let's test it again......"

Boom!!!

A puff of black smoke rose again with a loud bang, and Chu Mo's face was so black that he couldn't see the original appearance.

"Something is wrong...... Seemingly...... It's not a problem of iron, the bearing limit of ordinary materials is probably like this, it's probably a problem of explosives, let's reduce the amount of explosives a little first......"

Liuyun borrowed the wind Zhenjun nodded again and again.

In the past few months when Chu Mo has been here, it can be said that he is the happiest time for Liuyun to borrow the wind Zhenjun. Since Gui finally left, no one could discuss inventions with her, not even her old friends were willing to say more words to her, and everything changed when Chu Mo came!

Firearms mainly use gunpowder gas to push the remaining energy after the bullet is out of the muzzle to return to push the piston, so as to drive a series of components such as the bolt frame and bolt to complete some series of automatic operations. It's easy to say, but it's even harder to do! Not to mention automatic rifles, not even flintlock pistols can be made now......

I don't know if the Fatui have flintlock pistols equipped with fire elements now, and if they do, it's good to grab a look.

[Ding, the Infinite Simulation System Cooldown Complete!] 】

Chu Mo, who was configuring gunpowder, was stunned and started the simulation without hesitation!

Although it has been six months, he has also conducted six simulations, but he has never passed the secondary world. It's not that the second-level world is more difficult, it's a little bit worse every time, and I haven't drawn a duplicate world at all, so it's a little bit worse!

However, the second-level world is not a first-level world, and even if he has not cleared the customs, Chumo has also obtained a lot of good things, so Chumo does not have much desire for the third-level world.