As the deputy commander of the Guards, Pang De arranges manpower to be on duty in the fireworks courtyard every day, but he never knows what is going on inside, maybe it is really alchemy for the King of Jin as rumored, or maybe it is just raising some idlers? So what? Since Pang De surrendered, he has seen the rapid changes in the Central Plains, and he knows that Ma Chao's defeat is by no means accidental.

In the depths of Pang De's heart, he had already regarded Lu Bu as a god to be in awe, and in his mind, if it wasn't for a god, how could he govern a country divided and scattered in an orderly manner, so that the starving Central Plains could regain a strong vitality. If it weren't for the gods, how could they rise in the border of the state and sweep across the Central Plains! You must know that whether it is Yuan Shao or Cao Cao, they are all rare heroes and heroes, which one is not a warrior and strategist, and which one is not a money and silk soldier with countless armor? But in the end, they were all defeated by the iron cavalry of the state.

Pang De is brave by nature, the most advocating brave person, he was willing to be driven by Ma Chao before, because Ma Chao fought bravely, but later experienced the chaos of Yongzhou, many years without war, but still thousands of miles of red soil, the people can not continue, sitting on Yongliang Erzhou but only can gather 50,000 troops.

Over the years, the original enthusiasm has already cooled, if it weren't for Gu Nian's friendship with Ma Chao for many years, Pang De would have gone long ago.

Today, Pound was ordered to come here to be on duty, only to know that there was an explosion and fire inside, but fortunately, the guards on duty were nearby, and they discovered the danger in time, and summoned more guards to come nearby, and quickly controlled the spread of the fire.

The place where the fire started was in the hall in the front yard of the fireworks courtyard, and as far as Pound knew, he didn't know what to do in it all these years, and the smoke and fire all day long made the whole street waiting for a pungent smell, and it was no wonder that no one wanted to approach here. It's not the first time in these years that Fireworks Alley has caught fire, but it's the first time that a terrifying explosion like this has happened, and even Pound can't help but be amazed.

"Although the fire has been effectively controlled, there are still many craftsmen working in the fireworks yard in the backyard, they are all professionals who have been personally selected by the father, and they must not be damaged, and the cause of the fire has not been investigated clearly, how should I answer when the father asks after the scattered dynasty?" Lu Xing has always been cautious, and always wants to control everything.

"Rest assured, the fire in the side hall has been extinguished, only the main hall still has an open flame, I have sent someone to detour from the side hall to the backyard to rescue the empty people inside, it won't take too long to think about it." Pound was completely sure, but it was just through the ashes of the charcoal fire and braving the smoke to save people, such scenes on the battlefield were not uncommon, and it was not a difficult task.

Sure enough, it didn't take long for a group of more than a dozen guards, supporting a few ragged people, who seemed to be the pickers who had been in and out often before.

The group was unkempt by the smoke of the ashes, and Pang De could only recognize it, and then more and more people came out, there were more than a dozen people, one of them was actually dressed in a clerical uniform, and his face was full of soot marks, as soon as he saw Lu Xing, he rushed forward and cried: "Shizi, it's all over, all these years of hard work are over." ”

Lu Xing recognized this person as the director of the fireworks academy and one of the backbone members of the newly established research institute, not many people knew him before, but Lu Xing was one of them.

This person's name is Yan Lei, a native of Liangzhou, a well-known local bachelor, good at alchemy, especially proficient in the study of alchemy elixir, and is the object of local tyrant competition, all want him to refine a pair of immortal elixirs for himself, even if it is to prolong life.

After Ma Chao's defeat, Liangzhou was controlled by the imperial court, and the local powerful gentry were suppressed, Yan Lei's good days came to an end, and his economic resources were greatly damaged.

Wang Yi, the battalion general at that time, quickly arrested Yan Lei, thinking that the loss was so great this time, he didn't dare to execute this person easily, so he handed him over to Wei Yue, the assassin of Liangzhou at the time.

Wei Yue was not a good talker, this person was so bold that the army suffered heavy damage, and he immediately ordered someone to arrest and behead him. Yan Lei cried bitterly and begged for mercy, he didn't expect the consequences to be so serious, he was just angry at the time, but once he was investigated, he only felt panicked. He doesn't want to die yet, there is a seventy-year-old mother at home, and five or six beautiful wives and concubines, isn't this death cheaper for others?

As a last resort, Yan Lei had to make a grand wish, willing to refine the elixir of immortality for the general to atone for his sins. Wei Yue is a person who has been born and died countless times, and he has experienced more life and death, so he takes life and death very lightly, how can he be swayed by a few words.

Yan Lei begged for mercy, and he threatened with some intimidation, saying that General XX was his brother-in-law, and Taishou was his uncle, and dozens of relatives and nobles were pulled out after some involvement, Wei Yue was angry and couldn't cry or laugh, he was not a person who was afraid of things, he wanted to kill this kid and shut up, but he didn't expect this Yan Lei to say a name that surprised Wei Yue.

Jia Xu, Yan Lei said that Jia Xu is his uncle-in-law, or the kind of pro, if it is someone else, Wei Yue will not take it to heart, but Jia Xu is different from others, Jia Xu is incomparably wise, but his heart is gloomy, Wei Yue has been in Beijing for many years, and he has made countless old friends, but he is not familiar with Jia Xu. More importantly, Jia Xu is indirectly kind to Wei Yue, when he was in the east to conquer Yanzhou, Wei Yue's guard grain road was burned, and he was almost beheaded by Lu Bu, if it wasn't for Jia Xu and others to break through Jiyin and plead with Lu Bu, Wei Yue was only afraid that he would have been punished by military law a long time ago, although Wei Yue did not declare this kindness, but he has kept it in his heart since then.

Wei Yue took Yan Lei into custody and sent a letter to Anyi, asking Jia Xu if he looked like this person. Unexpectedly, Jia Xu actually replied and made it clear that this person was indeed his relative, and begged Wei Yue to open up.

In this way, Yan Lei was escorted to Anyi City, and although he was not beheaded, he also received thirty sticks, almost losing his life.

Later, Yan Lei's reputation for alchemy in Kyoto was great, attracting countless high-ranking officials and nobles to visit, this incident alarmed Lu Bu, and after a secret visit, he found that this person was indeed good at playing with medicines, as for those pills, even if he ate someone Lu Bu would not be surprised.

In particular, Lu Bu found that this person was good at mixing gunpowder, which was used for alchemy and fire, and the gunpowder at this time was different from that of later generations, mild and not easy to explode, and became yellow-brown, which was one of the pills refined by the alchemist, and later found that the effect of this medicine was worrying, so he regarded him as a fire-booster and became an auxiliary tool for alchemy.

This discovery made Lu Bu overjoyed, he knew the power of gunpowder in later generations, and even changed the form of war, cold weapons versus hot weapons, it was simply a war between the two worlds. However, Lu Bu was not clear about the configuration of gunpowder, so he wanted to improve it.

Just two years ago, Lu Bu hired Yan Lei as the president of the fireworks academy with a lot of money, awarded the rank of county guard, and widely published an article to convene alchemists, and the salary was preferential. The profession of alchemist is dependent on a group of nobles to survive, and in such troubled times, there are not many nobles who have the heart to pursue immortality in alchemy, and many alchemists have long been poor.

After learning of the list issued by the imperial court, countless people who claimed to be alchemists gathered from all directions, and Anyi City once became a gathering place for alchemy and cultivation.

Countless alchemists abandoned their families and careers, vowing that they would never return home until they refined the elixir, and of course most of them were alone.

But what Lu Bu asked for was not the so-called elixir of life, all he asked for was to let these alchemists come together to develop the formula of black powder, as long as there is black powder, then all the so-called strong city walls will become decorations, this is the power of knowledge.

"Why did Dean Yan say that, aren't you okay?" Lu Xing knew what Yan Lei and these people were doing here, saying that they were preparing some powerful potions, but Lu Xing's research on pills was limited to ancient books, and he didn't know what the difference between the black powder that his father said was different from the current gunpowder, could he really live forever after eating it? Lu Xing expressed skepticism.

"Alas, Lao Huang said that he had discovered an important combustion agent, and he was enthusiastic to show off to me early in the morning, but I didn't expect such a disaster to happen in a blink of an eye, and Lao Huang is gone." Yan Lei said with tears in his eyes, everyone has worked together in this courtyard for many years, and has already formed a friendship behind them, just like a family member, at this time, when he heard the bad news, countless people who escaped death sobbed like tears, and the atmosphere became sad for a while.

Yan Chao was also a little gloomy, looking up to see that the sky was gloomy, not far away a watchtower went straight into the sky, here close to the east gate, the situation here can be seen clearly by the watchtower, Lu Gou was alarmed, the watchtower is a building near the east gate city wall to watch the enemy outside the city, more than eight zhang high into the sky, it is definitely one of the tallest buildings in the world.

The watchtower belongs to the Bingzhou garrison, which is Zhang Liao's troops, and Lu Gou, who was frustrated and retreated just now, is the deputy general. The garrison is responsible for the defense of the city and belongs to the combat force, while the guard is responsible for the security of the city and the protection of the palace and the palace, and belongs to the guard force. However, the Guards belonged to Lu Bu and were personally mobilized, so they had an absolute sense of superiority in their status, and it was an ideal place for the sons and daughters of various ministers to join the army in gilding.

The matter here involves confidentiality, Lu Gou has long expressed great concern, but he was taken by Lu Bu's strict order, and he didn't dare to set foot here easily, and he was afraid that he would not be willing to retreat this time, Lu Xing was worried about the leakage of secrets, so he said in a deep voice: "You are frightened, this is not the place to speak, you will go to the mansion with me to speak first." ”

Because when the city was originally planned, Lu Bu concentrated all the official offices on East Street, so the government office was near the fireworks courtyard, only two hundred steps away.

When he came to the mansion, because it was the first day of the new year, the officials had already had a holiday, and there was only one person on duty in the entire mansion, and Lu Xing also saved the evacuation of idle people and other matters, so that the frightened alchemists settled down first, and then asked them what happened.

Everyone talked and finally made it clear what happened, it turned out that everyone had a Chinese New Year's Eve dinner together last night, after all, most of them were single people, and they signed a contract with the government that only certain holidays in a year could go home to reunite with their families, and they could only take turns on holidays. Now the rest of the people are all left on duty.

What everyone discussed at the dinner table was only the refining and improvement of the medicine, just last night, Lao Huang, who was in charge of the processing of the accelerator, had a whim, he said: "Since the gunpowder that the King of Jin asked us to improve is black, why not increase the proportion of toner in it, so that it will not become black?" ”

Everyone shook their heads when they heard this, the ratio of sulfur, saltpeter, and toner has been passed down since ancient times, and it is the crystallization of the painstaking efforts of many alchemists, and how many times the younger generations have added the potion, but they can't achieve the desired effect.

The king of Jin summoned them, not for alchemy, not for alchemy, but for them to make their gunpowder temperament more radical.

With such a general request, everyone really has nowhere to start, and no matter how many times they increase the exchange ratio of the potion, there is not much improvement, and the effect is not even as good as before.

In the past two years, the experiment has not been successful, but has accumulated a large amount of semi-finished gunpowder, ignited it with an open flame, and quickly ignited it and emitted a large amount of black smoke.

Lao Huang's suggestion was not unthinkable, but all the alchemists present knew that the main effect was sulfur and saltpeter, and the toner was just an accelerant, not the main ingredient of the potion.

Lao Huang's suggestion was vetoed, and he was still very unhappy at the time, so he hurried away angrily before the banquet was over.

Early the next morning, Lao Huang excitedly found Yan Lei, who had a hangover last night, and told him about the major discovery.

Yan Lei is a particular person, he is never sloppy in appearance, so he let Lao Huang go first, planning to go and see what is going on after he freshens up.

Unexpectedly, not long after Lao Huang left, there was an explosion in the front hall, and the violent sound almost shattered Yan Lei's eardrums, and the huge impact energy even shattered the doors and windows in the backyard. The half-finished gunpowder, which had been accumulated for many years in the front hall, was ignited by the explosion, and the flames rose into the sky, dwarfing even the gloomy sun in the sky.

The violent crowd spread rapidly with a muffled sound, and more than a dozen people in the side hall of the main hall were set on fire one after another, and everyone was trapped in the backyard and could only sit and wait for death.

Fortunately, there was a guard camp nearby, and the soldiers who went up to the front quickly put out the fire when they found the fire, demolished the connected houses, and blocked the way for the fire to spread. Later, with the strength of everyone, the open flames in the side hall were extinguished, and more than a dozen alchemists trapped in the backyard were rescued.

"Who are you, Lao Huang changed the potion ratio before he died, and then there was an explosion?" Lu Xing asked.

"Exactly."

"Has this ever happened before?" Hearing the dean's answer, Lu Xing felt that something good was coming.

"No, gunpowder has a mild temperament, if it is not burned with fierce fire, it will never be easily ignited, and even if it is ignited, it is only a combustion, he himself does not produce flames, and it burns quickly, and it will soon turn into a wisp of smoke, and it is the first time I have seen such a violent explosion."

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