The three of them came on this trip, one for the spirit stone, and the other for the purpose of tempering their own strength.

The three of them slaughtered on the third floor of the iron mine, and encountered several dangers, but they were all resolved one by one, and Shi Tang quickly accumulated a lot of combat experience.

"The third layer has found a lot of good ore. The Wind Demon smashed it into the mine, and the rubble cracked, revealing the pitch-black iron and stone inside the walls.

These are graphite iron, meteorite iron, the value has been great, the second layer is mostly fine iron, it seems that the further down there are rare iron stones.

"This Black Mountain Armor, I'm afraid it has to have the strength of a nine-star martial artist. "Shi Tang fought with a black mountain armor for a moment, and he made a strange move and killed him with one palm.

The whole body of the Black Mountain Armor is as black as ink, and it can walk freely in the iron ore, if it is not for the mastery of the third level of Hehe Demon Strength, I am afraid that I will be helpless.

"The situation on the fourth floor is unknown, we don't have to take this risk, wait for others to explore the road, and then it's not too late to go. The killer was the most calm, and said, "Let's calculate first, how many demon beasts have been killed." ”

The three of them dumped the skull of the demon beast on the ground, and the three of them combined amounted to three hundred and twenty heads.

Among them, the first and second layers of man-eating rats and black-winged bat skulls are the most, and most of these demon beasts have low strength, and they are slaughtered when they encounter them, and they accumulate the fastest.

The third layer is more dangerous and has a wider area, like some mines, occupied by highly poisonous demon beasts, and the three of them will not take any more risks, preferring to kill a little less.

In general, this third layer is the least killed, but the battle is the most intense, often fighting more than 100 moves.

If the three of them join forces to besiege, I am afraid that it can be solved within a dozen moves, but since they have tempered their own strength, they will naturally not join forces unless they have to.

"The largest batch has already killed five hundred demon beasts. Feng Xie frowned and said: "We are not saints, we can't have both fish and bear paws, that's a fart, and the three of us have to fight for this spirit stone." ”

The killer said coldly: "Don't worry, it's only been four days." ”

The three of them got up again and shuttled through the third layer of the mine, and only after a disciple entered the fourth layer of the mine did they follow.

The fourth layer of the mine has been more than two or three zhang deep into the ground, the air is thin, the mine road has seen many places collapse, but from the map, the depth is dozens of miles, like an underground palace, intricate, the collapse and burial place is only the tip of the iceberg.

It is said that the fourth and fifth layers of the mine are a collection of five to six star warriors in the sect, excavated together, it took a hundred years, the project is huge, but a lot of precious iron and stone have been dug up, which greatly improves the quality of the sect's weapon reserves.

Shi Tang casually broke a piece of iron and stone protruding from the mine road, and thought secretly: "It seems that the legend is true, without a thousand catties of strength, it is almost impossible to chisel out this mine road." ”

"Look, isn't this Xuantie?" Feng Xie pointed to a newborn iron stone, Shi Tang fixed his eyes, and it was Xuantie, which was the same material as the Xuantie rod in his hand, but the Xuantie rod was purer and had no impurities.

"Haha, I think we can find something valuable if we look carefully. "Wind and evil, you must know that this is a large iron mine.

mines, there are small, medium and large.

Small-scale iron ore can produce refined iron at most.

Medium-sized iron ore can produce graphite iron, and may even breed dark iron.

As for the large-scale iron mines, they are all-encompassing, including refined iron, graphite iron, and dark iron, and even can give birth to iron that is more valuable and extremely rare.

Of course, it still depends on luck.

The three of them walked for a long time, knocking and knocking, walking very slowly, and only then did they walk a very short mine road.

"On the fourth layer, there don't seem to be any monsters left. Feng Xie frowned, and in the past half a day, he has only killed a flying eagle.

This flying eagle, with a very low grade and skinny bones, is likely to hide from natural enemies and hide in the mine.

The three of them didn't care, they had killed this kind of demon beast before, although the environment here was harsh, but there were man-eating rats for food, there were fewer heaven and earth, and it was much safer than outside.

"Huh?"

When the three of them passed by the corpse of the Flying Eagle, they all showed puzzled expressions, the ground was empty, how could there be any trace of the Flying Eagle?

"This Flying Eagle skeleton has been shattered by me, it shouldn't be the corpse moved by my senior brother. Wind Evil said casually.

Who has this idleness?

Also specially to clean up the corpses?

"I didn't find any traces of demon beasts, it's really strange. "Shi Tangqing Governor must have a demon when something is abnormal, squatting down to take a closer look, if it is eaten by other demon beasts, it should leave traces.

The killer said: "Ever since I entered this fourth layer of the mine, I have had a bad premonition in my heart. ”

Shi Tang agrees.

The killer looked around carefully, frowned, walked to an ore, and saw that the surface of the ore was uneven, like a jagged tooth, and suddenly said, "This has an iron eater." ”

Before his words fell, Shi Tang had already lifted a piece of iron stone, which shook strangely and gently under his gaze, if he hadn't observed it carefully, I am afraid he would not have found it.

Under the iron stone, a fingertip-sized, metallic-like creature with a metallic luster around it, made a very subtle "squeak" sound at Shi Tang, which sounded like the sound of metal hitting each other.

This is the Iron Eater.

I saw the iron-devouring ants "rushing" towards Shi Tang, as if he was dissatisfied with Shi Tang's "food", but in Shi Tang's eyes, it was much slower, and Shi Tang raised his palm and slapped it downward, which was no different from swatting flies.

Bang!

As soon as the ground shook, a person's handprint was formed.

The killer hurriedly said: "Be careful, get out of the way!"

Shi Tang also noticed that his fist gloves were trembling, and hurriedly raised his hand, only to see the iron devouring ants lying there in a good manner, and when he looked at Shi Tang's fist gloves again, he had already gnawed a gap.

If it weren't for the timely harvesting, even if it was copper and iron, I was afraid that a hole would have been gnawed out.

The Iron Devouring Ant was not afraid, and flew towards Shi Tang again, and the wind evil lifted a stone and smashed it down, with a solemn expression, and said, "Let's go." ”

The killer said: "There must be an iron-devouring ant nest near this place, let's be careful." ”

Iron Eater Ants, Swallow Gold and Iron, Eat Iron and Stone, and Occasionally Eat Flesh and Blood, an Iron Eater Ant is not terrible, it is a group of people who are terrible.

The body of the Flying Eagle must have been moved back by the ant colony.

"I can't imagine that this iron mine, no one has been there for many years, and this ghost thing has been recruited. Wind Demon shook his head and sighed.

"We have to report this matter to the sect as soon as possible, and send people to encircle and clear it as soon as possible, otherwise this good mineral deposit will be destroyed in the hands of the Iron Eaters. "Killer said.

A nest of iron-devouring ants can destroy a small iron mine in just a few decades, so if you find their nest, you must do everything you can to wipe it out, otherwise the damage will be unimaginable.

Boom!

There was a sound of stone cracking, and the three of them suddenly thought that this was the iron stone thrown by the wind evil.

The metal chirping of the iron-devouring ants suddenly sounded, and it was heard far away in the mine, and the faces of the three people changed, and they suddenly heard a corresponding sound somewhere in the mine, and it sounded like there were no less than dozens or hundreds of iron-devouring ants at the same time.

The three of them couldn't help but feel a chill down their backs, Shi Tang glanced at the boxing gloves, and the killer said: "It's not appropriate to stay here for a long time, let's leave quickly!"

The three of them rushed to understand why the demon beasts were so rare in this fourth-layer mine.

In front of the Iron Devouring Ants, how could ordinary demon beasts be their opponents?

As for this flying eagle, most of them were forced into the fourth layer of the mine by natural enemies, but how could they have expected that there were monsters that were more terrifying than natural enemies here.

Surrounded by iron devouring ants, he only dared to fly in high places, unable to forage for food, and naturally became skinny.