The refinery is a semi-cave and semi-open-air style, with an open-air area for ore crushing, and a refined iron blast furnace and a Persian metal extraction blast furnace hidden in the cave.

At this time, the ore crushing area was full of hammers and all kinds of iron ore, which was already chaotic, but now it was even more chaotic, and the cave was a mess, and all kinds of tools were thrown away, as if they had been looted.

The two blast furnaces were not broken, probably because they were covered with magic patterns, and once they were destroyed, they could cause an explosion, so they were saved.

Ariel carefully observed the structure of the blast furnace, combined with the uses of various tools, and soon figured out how to extract the Persian metal.

In short, it is very simple, using the difference in melting point to extract the refined iron in the ore first, leaving the slag, and the Persian metal is hidden in the slag.

The slag is then used as ore, and a second, cooler blast furnace can be used to extract the Persian metal.

The general process is like this, but the operation is by no means so simple, the characteristics of the Persian metal determine the difficulty of extraction, heat energy is also energy, if there is no skill, the extracted Persian metal will inevitably absorb too much energy and become a waste product that cannot be melted and cast.

Knowing a general idea of the extraction method, Ariel pinned her hopes on finding some Persian metal, and as expected, all the finished Persian metal was taken away by the freed slaves.

The first blast furnace poured out the molten iron, collected the slag, and prepared to take it back to study its characteristics, test its limits, and judge whether it has a great use.

If the limit is not high, there is no manufacturing value, and if the limit is high or even non-existent, then its value is immeasurable.

At that time, if the Bosman metal was an alloy, it would be directly fused in proportion, and if it was a simple metal, it would be difficult to defeat the eighth-level scientific and technological civilization and change the atomic structure. The creation of new elements is a technique that has been dabbled in since the third level of civilization.

Coming out of the cave, Ariel remembers Bishop Quinn, whom she killed, and speculates that he may have Persian metal and blazing jade on him.

When the old horse turned around, he found that Bishop Quinn's body had been ransacked, the gold trim on his white robe had been torn off, and a good head had been smashed into pieces by the angry slave.

Ariel didn't know how to feel, shook her head and entered the mine, scanned her mental power, and began to search for the Blazing Jade, and soon. She found the first piece of Blazing Jade.

Blazing jade is an elemental ore that is the ultimate of fire, the ultimate of fire and heat is light, and the light of blazing jade is like the sun, which is dazzling and difficult to look at.

Splitting the mountains and dividing the soil, Ariel collected the first piece of Blazing Jade. After that, change the mine and continue the search. It didn't take half a day to search the entire shallow mine. Collected more than a dozen Blazing Jades.

Finally her gaze turned to the main cavern that led to the depths of the earth, which was filled with heat and fire, like a pool of lava of gas, melted gold and iron, which were isolated from a peep.

Ariel sensed the extraordinary and felt that there was something good in it. The artifact mother dowel and flew down, through the confusion of light and heat, hours later. Ariel has come to a world of light and heat.

There is no gravity in this world, there is no up, down, left and right, there is only light and heat that fills the entire space, and its energy is extremely pure, far from being comparable to the energy full of fire poison in the channel.

And to Ariel's surprise, there were actually three cardinal archbishops in gold-rimmed red robes in this space who were studying, and the cardinal archbishops of the Bright Church were powerhouses at the level of sword gods. It's really hard to kill them silently with a spell, but it is possible to do it silently with the Artifact Mother Ding.

But as soon as a cardinal prayed to Beatrice on his deathbed, the matter was revealed.

It is the king to make a fortune in a muffled voice, but fortunately, they are all cultivating, and there is a barrier between light and heat, so they didn't find out about her arrival, so they first looked to see if there were any good things, and then they talked about it when they found it.

Having made up her mind, Ariel walked through the light and heat, flying towards the hottest area where the light was at its highest.

It seems that the center of this space is the source point of light and heat, and it is also the center of this space, the temperature at the edge is the lowest, and when it moves a few meters inward, the temperature suddenly rises by a level.

Ariel immediately judged that this area could only be entered by ordinary angels and cultivated freely, and the cardinal archbishop would immediately be burned with no ashes left.

Ariel felt that she had become a god in the flesh, and she had the evolved artifact mother tripod to protect her, so there was no problem in entering three layers inward.

Flying a few meters inward, she entered the third level unscathed, the fourth level, she felt a little, and the fifth level, the light and heat that penetrated the Divine Light of the Artifact Mother Ding made her start to feel the scorching heat.

At this time, I don't know how far away there are and how many levels there are from the center of the space, and barely go one more level, Ariel feels the burn, and has to retreat to the fifth level and start thinking about countermeasures.

This countermeasure is not difficult to think, the artifact mother tripod needs a large amount of energy reserves, and using the artifact mother tripod to absorb these energies, even if you can't get the final materials, you can also raise the artifact mother tripod to the height of the true god weapon, even if you don't refine the god list, you can be invincible.

Just thinking about it, the problem comes.

"What the hell is in the center?"

Ariel muttered to herself, and then a flash of inspiration, "Could it be that this is the center of the earth, and that thing is the heart !!of the planet?

But she immediately laughed, knowing that it was impossible, she flew downward for four hours at best, and not fast, at this speed, she could not fly from the surface of the moon to the heart of the moon, the earth was so much larger than the moon, how could this place be the center of the planet.

Then there is only one explanation, there is a precious substance in the center of this space that can interfere with the gravitational field of the planet, and even if it is not the heart of the planet, it has almost reached the realm of the heart of the planet.

Exiting a level backwards, Ariel withdrew the protection of the artifact mother tripod, and began to manipulate the artifact mother tripod to absorb light and heat refining, the artifact mother tripod has four elephants, and the five elements are complete, but it is actually a fire artifact, and absorbing light and heat is the right way to increase its origin.

This process took day and night, but Ariel still had leisure to control the artifact mother, and these lights and heat were not suitable for her cultivation, so she was extremely bored, and used the law of godhead communication to spy on the source of light and heat. (To be continued......)