He saw two or three people fleeing frantically from the last coffin, one of whom was the leading foreigner, and two others not far behind him were also running madly and desperately.

Chu Tianlu wanted to pull the trigger and put down these foreigners who had beaten a few people on his side with blue noses and swollen faces, but seeing that they didn't have weapons in their hands at all, just running for their lives frantically, he really couldn't do it.

Chu Tianlu found that those creepy screams that made people listen to were not made by these people, and at the same time, he saw five or six humanoid fireballs suddenly burst out from the side of the coffin, and those fireballs made heart-rending screams while running, and some of them fell down while running, and their bodies kept twitching to maintain the posture of running forward, judging from these details, these foreigners who were being burned were actually still awake in their minds at the moment, but they couldn't control their bodies because they were burned.

Some jumped directly into the lake, apparently trying to extinguish the fire with the help of the lake. But even if he jumped into the lake, the fire on his body was not extinguished, but with a fiery red shadow, he quickly sank to the bottom of the water, and the people who watched couldn't help but feel cold from the bottom of their hearts.

When Chu Tianlu saw this, he couldn't help but bite his lower lip, and before he knew it, he had bitten out blood.

And there were some humanoid fireballs that insisted on running, they didn't fall, and at this moment, they were separated from Chu Tianlu by two coffins, and the sound they made was not as poignant as before, Chu Tianlu could only hear a hoarse sound like a tear squeezed out of the gap in his throat.

“help…… help...... "The two people who ran at the forefront had already come to Chu Tianlu's face, and they turned a blind eye to the gun Chu Tianlu held in their hands, as if they were crazy!" This made Chu Tianlu embarrassed. It can be seen that the danger from behind them is much more powerful to them than the muzzle of this black hole. It was also fully evident that they were really afraid of that thing from the bottom of their hearts.

Chu Tianlu frowned and his heart flashed, in the end, he still didn't pull the trigger, so that the two people who ran at the front came to the front, and the two people who followed behind them were not as lucky as them, they were finally caught up by the humanoid fireball burning behind, Chu Tianlu clearly saw that the person who was on fire behind did not have any physical contact with the person in front, and the body of the person in front of him quickly spontaneously combusted. This scene was so weird that Chu Tianlu couldn't explain why it was at all.

The humanoid fireball that had caught up eventually fell, and like the people in front of him, his body was down, but his limbs remained in a running position. This time, because the person on fire was much closer to Chu Tianlu, he could clearly see the every move of the burned person, and even the flesh and blood on their bodies that disappeared little by little by the fire, Chu Tianlu could see it clearly, and the "popping" sounds coming from their bodies, every sound seemed to be knocking on Chu Tianlu's soul.

By the time those who had fallen stopped moving, there was not much flesh left on their bodies, and at last even their bones were burning little by little.

Chu Tianlu gasped, this is really a picture of purgatory on earth, what have they experienced? Did their actions anger the Grim Reaper from hell prohibit them, or did they accidentally release the demons trapped here?

Chu Tianlu didn't have time to think so much, because the last person who was set on fire fell in front of him, he subconsciously took seven or eight steps back, picked up the gun and pulled the trigger without hesitation, and quickly ended his life. Just after Chu Tianlu fired five or six bullets, he seemed to see the foreigner smiling at him, as if he was thanking him for ending his pain early.

All this was a matter of an instant, Chu Tianlu frowned tightly, looking at the only three foreigners left. And at this moment, they were like they were going crazy, cowering, trembling behind Chu Tianlu, looking at those who were on fire with dull eyes, and their mouths kept muttering something.

Chu Tianlu really couldn't bear to look at it anymore, and just as he was about to turn around and jump into the kayak that the dumb turtles were on, he saw the few copper tripods in front of the sarcophagus constantly overflowing with fiery red liquid. The liquid was the exact same color as the fire emitted by those on fire.

The liquid overflowing from those few mouthfuls of copper tripods was very fast, except for Chu Tianlu's location, all the other places had been soaked with this burning liquid, and it was covering Chu Tianlu's side at an indescribable speed.

"Hurry up, that's sour, master go quickly, you won't be able to leave if it's too late." Chu Tianlu heard the screams of the dumb turtle, and he could hear it from the voice of the dumb turtle, and he was also very afraid of this thing.

Chu Tianlu heard the dumb turtle shouting that it was sour, but he remembered a book about the alchemy of the ancients that he had read before, and he remembered that there was a record of sour acid in the books, and the earliest use of this thing was to be used to decompose some minerals hidden in the rocks.

Iron is no stranger to all of us, there were iron tools in the Shang Dynasty in our country, but at that time it was a luxury, only for the royal family to enjoy, until the Warring States period was widely used in the people.

Modern people, but anyone with a little chemical knowledge knows that the melting point of copper is much lower than that of iron, but the price of copper ore is much more expensive than iron ore, in fact, it was not the case as early as the Spring and Autumn Period.

As we all know, China has mastered the technology of iron smelting in the Spring and Autumn Period and the Warring States Period, and they generally use furnaces, flat ground to build furnaces, or shaft furnaces to refine the iron ore contained in the mountain stones into liquid pig iron, and then temper it, and finally make hard tools and weapons.

Because of the limited conditions at that time, it would be very difficult for them to encounter some mines with special geology and want to smoothly refine the iron ore into liquid pig iron.

Those who have read history know that until the end of the Song Dynasty and the beginning of the Yuan Dynasty, cold weapons have been used on the battlefield, and during the Spring and Autumn Period and the Warring States Period, most countries were using weapons made of bronze, until the working people full of wisdom refined iron and made them into weapons, and then gradually eliminated bronze weapons. The reason why bronze will be eliminated by iron is because iron is stronger and sharper than bronze. Therefore, many countries are actively promoting the upgrading, replacing bronze weapons with iron weapons.

This also directly led to a great increase in the demand for iron ore, but at that time people's living conditions were still very primitive, and the places where diligent working people could live and set foot were very limited, so the mines that could be mined were also very rare.

Iron ore has gradually formed a hot trend of short supply! Even in some places, it is difficult to find iron, and the price of iron is naturally much more expensive than the price of bronze. This phenomenon was not alleviated until the Tang Dynasty in China.

Since it comes to price, it is definitely inseparable from the merchants. Most of them have a keen sense of smell, they can accurately perceive opportunities, and can grasp business opportunities one step ahead of others, and make huge profits to achieve their goals.

It is precisely because they see that there are huge profits in it, some mercenary businessmen see this rare opportunity in a thousand years, and they try their best to find some warlocks with strange abilities, promising attractive rewards, so that they can find a way to solve this problem!