In a room in the camp of the Hui County militia group, there was no outsider in the entire room except for Li Chengming and the former guards of the East Palace.

At this time, Li Chengming was standing in front of a Hu case, and the surrounding East Palace guards were looking at him one by one, and there was silence in the room.

"Did you see the steps that this king taught you just now?" Li Chengming clapped his hands, looked at a small thigh-sized jar on the case in front of him, and then turned his head to look at all the East Palace guards.

"Your Highness, you have seen it clearly and written it down." Hearing Li Chengming's question, all the East Palace guards hurriedly replied.

In fact, these guards of the East Palace did not understand why His Royal Highness the King of the County had taught them to infiltrate the three things of sulfur, saltpeter, and charcoal in a certain proportion, and then put them into jars.

However, they still looked at it very seriously and wrote down every step of Li Chengming very carefully.

In their opinion, His Royal Highness the King of the County is an immortal, and this naturally has its deep meaning.

Of course, in their opinion, this is not a difficult thing, and it is even very simple for them, just a simple proportional adjustment, and it is not a profound martial art.

"Looking at your appearance, I'm afraid I don't understand why this king wants to get this thing, right?" Looking at the puzzled looks of all the East Palace guards, including Luo Ning, Li Chengming smiled indifferently, and then said, "Since you have all written it down, then the king will tell you about it." What this king just taught you is a kind of production method of thunder that this king got from the fairy world, although this kind of thunder is not as powerful as the thunder in the sky, but the power is also good. For example, the thunderbolt that this king made just now, even if it is just such a simple deployment, it can blow up the courtyard wall of a courtyard. ”

"What?!" Hearing Li Chengming's words, a look of disbelief appeared on the faces of all the East Palace guards, His Royal Highness the King of the County actually said that what he had just taught them was actually the production method of the Heavenly Thunder brought down from the Immortal Realm?

They don't understand what the thunder is, but they can still understand His Highness's words, and His Highness's meaning is that the thunder is the same as the thunder in the sky.

What's more, this is something that has been handed down from the fairy world, can this be a simple thing?

Looking at the shocked looks of all the guards, the corners of Li Chengming's mouth were slightly raised, and a wicked smile flashed in his eyes.

In fact, what he taught these guards just now was just the blending method of ordinary black powder, and the reason why it was said to be thunder was mainly to make these guards pay attention, and of course, there was a little bit of his bad taste.

Regarding the production method of black powder, Li Chengming is still relatively clear.

Mainly because I have read some historical novels before, and I saw that the protagonists in them either made soap and made a fortune, or made glass, gunpowder and the like.

Li Chengming is indeed not an engineering student, but he can't underestimate some patients with obsessive-compulsive disorder, although he only has a slight obsessive-compulsive disorder, but it is also obsessive-compulsive, after watching it a few times, he went to check some information, and then memorized all the soap, paper, glass, black powder and so on.

After finishing a can of explosives, Li Chengming began to make a fuse again, Datang doesn't seem to have a regular fuse now, at least Li Chengming asked Luo Ning and others have not heard of it.

However, this is not difficult for Li Chengming, who has read several historical novels before, and there is really a way to make a fuse.

In fact, the method of making the fuse is very simple, that is, it is directly made by adding gunpowder to cotton yarn and then adding organic accommodating agent.

It was not that there was no cotton in Datang at this time, but there were fewer of them, at least they could not be found here in Huixian, so Li Chengming simply used straw paper to replace the cotton yarn for the lead, and then stirred it with grease and gunpowder, rubbed it with straw paper, and dried, and a simple fuse appeared.

Li Chengming asked people to test it with fire, and found that the quality of this fuse was good, not to mention the speed of burning, even if there was a slight drop of water on it, it would not affect its combustion.

After seeing such an effect, Li Chengming directly asked Luo Ning to organize some people to come over and make the fuse.

Compared with black powder, the production of the fuse is relatively simple and has no technical content, and there is no need to be afraid of leaks, so there is no need for any confidential work, and it is enough to directly arrange some people eliminated by the county militia to do it.

After tossing and turning, more than three hours passed, and the sun, which had been hanging in the sky with extreme heat, gradually lost its heat and fell towards the mountain peak to the west.

"Your Highness!" Xue Wanche rushed back to the camp with a disgraced face, but saw Li Chengming sitting behind the desk with a huge bowl and working hard, and the fragrance wafting in the air made Xue Wanche, a general, swallow his saliva secretly.

No way, this taste is too fragrant, Li Chengming had rewarded him with a bowl in Nanshan before, which made him feel that there is nothing more delicious in the world than this.

I never imagined that the soup cakes, which had been looked down upon before, could be made so delicious, just like the legendary fairy food.

"Huh?!" Li Chengming sucked the noodles in his mouth, raised his head and saw Xue Wanche as if he had swallowed saliva, his eyes lit up, and he said with a smile, "It seems that you have been busy for so long, and you are also hungry, come, this king will reward you with a bowl to fill your stomach." ”

As he spoke, Li Chengming waved on the table, and suddenly a bowl of fragrant ramen covered with all kinds of delicious ramen appeared on the table.

"This ...... Thank you, Your Highness! Seeing a full side of soup cakes that appeared on the desk out of thin air, Xue Wanche's pupils couldn't help shrinking slightly, but he quickly recovered, hesitated, and then simply accepted and took a big gulp.

The guards of the East Palace next to him, looking at Xue Wanche, who was gobbling up the soup cakes rewarded by His Highness, couldn't help but flash a look of envy and jealousy on their faces, and at the same time subconsciously swallowed their saliva.

After a while, Xue Wanche finally finished eating a large bowl of ramen, and licked the last bit of soup with some unfinished thoughts, and then put down the bowl and saluted Li Chengming, "Thank you, Your Highness, for the reward!" ”

"Okay, this is what this king rewarded you for your hard work." Li Chengming looked at Xue Wanche, who was still unsatisfied, smiled lightly and waved his hand, then stood up and said, "Come with this king, this king will let you see something." Luo Ning, bring your stuff! ”

"Yes, Your Highness!" Luo Ning answered, then picked up the jar next to him, and then walked out of the camp.

Seeing the jar Luo Ning was holding, a hint of suspicion flashed in Xue Wanche's eyes, but he still followed behind Li Chengming quickly.

After a while, everyone came to a clearing outside the camp, there was a big tree about half a meter in diameter next to the clearing, Li Chengming directly asked Luo Ning to dig a small pit under the tree to put down the jar containing black powder, and then let people erect some wooden sticks next to it.

"Remember, as soon as the fire is lit, run over here without delay, understand?" Behind a boulder more than a hundred meters away from the big tree, Li Chengming said to Luo Ning, who was in charge of lighting the fire.

"Yes, Your Highness!" Seeing Li Chengming's cautious command, Luo Ning nodded solemnly.

"Okay, let's go!" Seeing Luo Ning answer, Li Chengming nodded and let him go.

"Your Highness, ...... are you" Xue Wanche, who had been watching all this ignorantly, looked at Li Chengming suspiciously, not understanding what His Royal Highness the county king was going to do.

"Wait a minute, you will know, watch carefully, wait for Luo Ning to run over, don't stick your head out, otherwise if you accidentally lose your head, don't blame this king for not reminding you!" Li Chengming said lightly to Xue Wanche.

"This ...... Yes, Your Highness! Xue Wanche hesitated for a moment, but thinking of the magic of this highness in front of him, he didn't dare to refute it, and hurriedly responded.

I saw Luo Ning walk five meters away from the explosives with a fire fold, blow the fire fold, and then glanced at the jar not far away, a touch of curiosity and fear flashed in his eyes, and then put the fire fold close to the fuse on the ground.

Laugh at! ~~~

As soon as the spark approached the fuse, the specially made fuse suddenly burst into flames and flew towards the jar at the other end.

And Luo Ning, who also remembered Li Chengming's words, immediately ran towards the boulder a hundred meters away at the fastest speed after lighting the fuse.

"Everyone's hiding behind boulders, don't be allowed to probe!"

"Luo Ning, quick, come in!"

In the midst of Li Chengming's shouting, Luo Ning finally ran behind the boulder before the fuse burned out, and then hid.

And Xue Wanche, who was hiding behind the boulder, looked at all this, and didn't understand why Luo Ning was so nervous, and when he was about to speak......

Bang!!! ~~~~

A terrifying loud bang erupted......

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