While the three of them were chatting, two streams of light, one golden and one white, flew out from the building with chimneys in the distance, and came to the three of them in an instant.

"Owner!"

"Sister!"

Qingmei stared blankly at Lan Ying in front of her. She was wearing a gray cloth robe, with a delicate windmill gourd stuck in her bun, spinning non-stop.

Strangely:

"Why are you here?

Besides, why are you dressed like this?"

Lan Ying pouted and said:

"Hmph, I don't want to be an eyesore by doing bad things with that bad guy as soon as I come back."

Qingmei's face flashed red for the first time, and she glared at Zhang Ke fiercely.

Before she could speak, Lan Ying said happily:

"I came here with Wanxiang. It's very interesting inside."

Qingmei couldn't help turning her head to look over, but saw that Wanxiang's eyes were blurred, as if he was still confused.

On the shoulders of her petite body was an octagonal hammer not much smaller than hers, swaying as if she might fall asleep at any time.

'Does this look interesting?'

Zhang Keqian smiled. Yesterday, he was worried that Lan Ying would interfere with the good things, so he tempted her to enter the secret realm to play with Wanxiang.

Just looking at the current state of everything, he didn't understand what was happening.

Lan Ying shouted excitedly:

"Senior sister, you don't know that Wanxiang is so powerful, no matter how hard the stone is, she can smash it!"

‘???’

If it were an anime, a series of light bulb colons would appear above the three of them.

Wanxiang, who was in a daze, suddenly perked up when he heard Lan Ying mention his name. All that was left on his cute little face was a pair of big twinkling eyes.

He raised his head slightly, with a proud expression as if he was ready to compliment me.

Zhang Ke said with a smile:

"Wanxiang is the most powerful, but what have you done?"

Wanxiang was originally a red-armored Taoist soldier summoned by Zhang Ke. Later, by chance, he gained sanity and was recognized by the 'Twelve Yuan Chen Dharma Pillars', and then he was promoted to the realm of Yuanshen.

But her mind has remained in that of a girl.

Lan Ying had another accident. When she was wandering around, she accidentally bought the innate spiritual treasure [Big Windmill].

This treasure fits her perfectly, and it spontaneously blends with her natal flying sword.

But similarly, some changes have also occurred in the mind.

To this end, Qingmei specifically searched from historical documents and found that many similar situations had occurred in past history.

It seems that innate spiritual treasures also have a limited lifespan, and can even take on the states of infants, teenagers, adults and old age just like living bodies.

Therefore, it is suspected that Lan Ying and Wan Xiang became what they are now due to the spirituality of the innate spiritual treasure.

Upon hearing Zhang Ke's inquiry, Wanxiang wiped his nose with his hand that was not holding a sledgehammer.

He raised his head proudly, shook his shoulders, and turned into a ray of golden-red light that flew towards the large chimneys in the distance.

Lan Ying dodged and flew up at the same time, shouting:

"Sister, come with me!"

Zhang Ke and the other three looked at each other in disbelief and dodged and flew up. There was no need for Zhang Ke to move at such a close distance.

"Is this the place you use to refine the floating warship?"

Arriving under several large buildings with black smoke rising from them, Ding Xiaoxiao asked casually, and then frowned slightly as he looked at the black smoke that shot straight into the sky.

"Will this black smoke affect the secret realm?"

Zhang Ke smiled bitterly and said:

"It will have some impact.

This is the waste gas emitted when extracting materials. I asked the Great Weapons Sect, but they didn’t have any good solutions."

The buildings used by Zhang Ke to refine the floating warship are actually not simple.

He built it based on the requirements for refining a floating warship and some concepts in his dreams.

The most important of them are the six large chimneys, which are the blast furnaces for refining materials.

Materials science is always the key to limiting the use of objects to their limits.

As for the method of refining floating warships, Zhang Ke didn't care.

If the method of integrating runes into warships can be completely analyzed to the extent that low-level practitioners and even ordinary people can refine them, then the weapon refining technique in the cultivation world will usher in an era of industrial standardization.

At that time, with the help of industrial assembly lines, as long as there are enough materials, floating warships can be refined on a large scale.

The floating warships on the field outside are actually just samples. Zhang Ke wants to find the most suitable warships for future wars.

But this point has not yet been broken through, because the legal patterns such as rune patterns, magic patterns, and array patterns cannot yet be industrialized, and the array patterns on each floating warship still need to be refined individually.

After several people entered the hall, the first thing they saw was that under the operation of hundreds of people, golden-red molten steel continuously flowed out of the slot under the blast furnace.

Hundreds of people have a clear division of labor and introduce the molten steel into steel-bearing drums in an orderly manner and then transport them to different buildings for continued refining.

The advantage of Taoist manifestation is that things that require machines to do in the dream world can be done here with human power.

There are many other groups performing this kind of work in these buildings.

These people turned a blind eye to the arrival of Zhang Ke and others.

With the cultivation of a few people, they can completely block their perception and put themselves in a state of blending with the surrounding environment at any time.

Maybe you can't hide it from high-level practitioners, but it's enough to deal with these people in front of you.

Neither Qingmei nor Ding Xiaoxiao showed any doubts or curiosity about the people appearing in front of them.

A long time ago, they had seen countless secret land natives here.

This is also the main reason why Ding Xiaoxiao is envious of Zhang Ke's secret realm.

Generally speaking, the secret realm of the cave created by the True Monarch Yuanshen who has just achieved the 'Dongtian Realm' is desolate and lifeless, and even the laws of the great avenue are chaotic.

I remember when Zhang Ke and True Lord Furong fought in True Lord Tianya's secret realm, that secret realm was not only small in area but also had no sign of life. It was just a desert.

In a secret realm like Zhang Ke's where yin and yang move, the five elements are complete, and the laws are complete, as long as the cultivation level can keep up, it actually has the conditions to advance to the Dao Lord realm.

Especially since there are actually a large number of humans in this secret realm.

This is a human being born naturally under the rules of the secret realm of heaven, and is part of the secret realm of cave heaven.

After the practitioners of the 'Dongtian Realm' first appeared, there were practitioners who moved a large number of creatures from the Blue Realm into the secret realm, including humans.

However, it is difficult for ordinary creatures to adapt to the rules of the secret realm, and they die in large numbers in a short period of time.

Even if there are no dead creatures, it is difficult to give birth to offspring, and only one ten thousandth of the creatures can gradually integrate into the secret realm.

During that dark age, countless creatures and even races were exterminated, causing great damage to the natural ecosystem.

To put it bluntly, this kind of behavior is poaching the corners of the blue world, and will be rejected by the will of heaven and earth.

Later, no one did this anymore. They could only slowly cultivate and expand the secret realm bit by bit. You can imagine how long it took to accumulate.

The reason why True Lords of the 'Dongtian Realm' Yuanshen rarely advance to the rank of Taoist Lord is that they are unable to perfect their own secret realm of Dongtian, which accounts for 60% of the reason.

Looking at the molten steel being continuously produced at this moment, Qingmei and Ding Xiaoxiao finally understood where Zhang Ke's confidence lay.

The molten steel produced in the blast furnace has another name in the spiritual world.

Black iron!

A material that is in extremely high demand.

Of course, the molten steel in front of you still cannot meet the requirements of Xuan Tie, and it needs to go through various other processes to be qualified.

But even in the world of cultivation, it is not easy to refine a piece of black iron to the standard.

An ordinary Xiantian realm weapon refiner apprentice can temper no more than ten kilograms of black iron in one day.

But the molten steel in front of me can produce tens of thousands of molten steel at a time.

"Sister, come here quickly!"

Just as Qingmei and Ding Xiaoxiao were checking how the blast furnace was operating, Lan Ying's cry came from a distance.

The dissatisfaction in his words was palpable.

The three of them smiled and ducked into a quiet room.

In a quiet room that is more than ten feet in diameter, a black steel table that is three feet long and seven feet wide is lined up in the middle of the quiet room.
To be continued...