Dongning Prefecture is located on the coast of Beihai.
There are several active volcanoes within a few hundred miles.
Thanks to its convenient location, Dongning Prefecture became a major producer of sulfur, a traditional Chinese medicine.
High-quality and inexpensive sulfur also became a major commodity in Dongning Prefecture's domestic trade.
The two major families in Dongning Prefecture, as well as some smaller families, frequently traded sulfur to the mainland, Silla, and Ezo (Tibetan) regions.
However, Li Xin saw another opportunity behind sulfur!
In this era, sulfur was merely a medicinal material.
However, its other, most widespread application has yet to be demonstrated.
That was—gunpowder!
Through this period of learning, Li Xin also realized that the technology of this era was equivalent to that of the Tang Dynasty in later times.
Gunpowder had not yet been invented!
And this is also Li Xin's opportunity!
Even if they were bandits from the grasslands, no matter how fierce they were.
I, Li Xin, possess technological prowess that transcends eras. Do you think I'm afraid of anything?
Thinking about it, an excited smile appeared on Li Xin's face.
Butler Liu Jingxuan, who was standing to the side, was stunned for a moment.
What's wrong with Your Highness?
Isn't it just sulfur?
They're everywhere in Dongning Prefecture!
Does the prince want to make money from the sulfur trade?
Too!
Your Highness is the Prince of Dongning Province. All the minerals and forests in the province are Your Highness's private property!
If they could monopolize the sulfur trade, the Prince Xin's mansion would become incredibly wealthy!
It seems Your Highness is indeed very intelligent!
Liu Jingxuan naturally had no idea what His Highness was planning.
At this moment, Li Xin spoke up and instructed, "Mr. Liu, have someone transport all the sulfur back to the Prince's Palace and keep it under good guard."
"Yes, sir!"
Liu Jingxuan nodded quickly.
You know what, this much sulfur can fetch a lot of money!
"Oh, right,"
Li Xin asked again, "Do you know where there is saltpeter in Dongning City?"
Saltpeter?
Liu Jingxuan asked with some confusion, "Your Highness, what do you need saltpeter for?"
Although our Dongning City does not produce saltpeter, wealthy families and even ordinary people all have saltpeter on hand.
After the sweltering summer arrives, the technique of making ice with saltpeter has been passed down in Dongning Prefecture for decades.
Near some of the earthen houses, there's even saltpeter...
"That's good!"
With a smile on his face, Li Xin said with satisfaction, "I'm giving you a task: collect all the saltpeter in the city."
Besides, I'll be useful in organizing people to make charcoal!
Despite some confusion, Liu Jingxuan agreed.
After all, it's not a difficult task.
Within a few days, Liu Jingxuan had mobilized the people to collect over a thousand catties of saltpeter, which was then piled up in the Prince Xin's mansion.
In a secluded outbuilding, Li Xin held a scale in one hand and weighed the saltpeter powder, sulfur powder, and charcoal powder.
70% saltpeter powder, 15% sulfur powder, and 15% charcoal powder!
This ratio was also found by Li Xin from intelligent technology!
It is considered one of the best gunpowder formulas!
After weighing the powder, Li Xin carefully mixed the three powders together.
Before long, dark brown gunpowder powder appeared before our eyes.
Li Xin carefully used a wooden shovel to fill the pottery jar with gunpowder powder.
After filling half of the pottery jar, Li Xin placed a thin hemp rope soaked in oil into it, and then filled the remaining half with gunpowder powder.
After sealing the mouth of the jar with yellow mud, a large section of thin hemp rope was exposed.
Looking at the makeshift landmine on the wooden table, Li Xin's lips curled up slightly with excitement—he wondered how powerful it was!
Quietly arriving at an open space outside the Prince's Mansion, Li Xin buried the gunpowder canister in the ground.
Taking advantage of the fact that no one was around, Li used a torch to ignite the thin hemp rope.
A faint flame burned in the cold wind.
Li Xin quickly hid behind a wall, covered his ears with his hands, and waited quietly.
In a daze, Li Xin felt as if he had returned to his childhood, to the time when fireworks and firecrackers were set off during the Spring Festival.
Just then, an explosion suddenly rang out in the distance.
boom!
Smoke billowed into the sky.
The violent explosion tore apart the surrounding soil and snow, sending them flying into the air.
Before long, the soil began to fall in a soft patter.
The deafening explosion echoed for a long time in the empty suburbs.
Even Li Xin was stunned.
After all, it was a whole earthenware jar full of gunpowder, so the explosive power was naturally enormous!
Emerging from behind the wall, Li Xin was shocked by what he saw.
A deep pit, about a foot in diameter, appeared on the ground. The snow-covered soil was overturned all around, and even the snow was stained black.
The pungent smell of gunpowder permeated the air.
This scene stirred a surge of excitement within Li Xin.
We finally succeeded!
It's quite powerful!
Although it looks rather rudimentary, if there were more of them, they should be able to stop the grassland bandits!
After all, this is a powerful weapon!
Just then, Wei Jun, He Chaojun, and others heard the explosion and rushed over.
Upon arriving at the scene and seeing the horrific scene on the ground, Wei Jun's expression changed drastically. He immediately asked, "Your Highness, what happened? Are you alright?"
"fine."
Li Xin waved his hand, looking at the growing number of guards, and said, "Let them go back and continue training!"
Wei Jun, He Chaojun, you two stay behind.
After dismissing the guards, only Wei Jun, He Chaojun, Liu Jingxuan, and others remained in the room.
Liu Jingxuan frowned, deep in thought.
After a moment, Liu Jingxuan looked up and asked, "Your Highness has been collecting sulfur and saltpeter these past few days to make this..."
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