Magus Tech (Technological Wizard)

On the other hand, Richard didn't know what happened to the mine and Mullen after he left, so he just took Gero and his group to the next target location.

To make cobalt blue, you need three raw materials: cobalt ore, alumina, and phosphoric acid.

Cobalt ore has been obtained, and phosphoric acid is already there, so now the problem of alumina needs to be solved.

Generally speaking, in the current medieval-like world, everything related to metal aluminum is not very easy to get. The main reason is that the extraction of aluminum is difficult due to the current technological limitations in the world. It is for this reason that the blue lion kingdom chose to use the experimental method to prepare ether rather than the industrial method catalyzed by metal aluminum.

However, alumina, as a compound that is related to metal aluminum, is a relatively alternative existence. The scientific name of alumina is aluminum oxide (al2o3), which is undeniably rare and precious in the current world. But you can get it directly by purchasing it in the easiest way. Because aluminum oxide has another name, called corundum, which is the so-called ruby.

Yes, ruby.

...

Cuijin City, in the VIP room of a jewelry store.

Richard and Gero were sitting at the table, while the nearly sixty-year-old jewelry store owner stood respectfully beside him, skimming a glance or two from the door from time to time, showing a little anxiety.

"Da da da", in the long wait, the sound of small footsteps sounded, a loyal steward of a jewelry store, carefully walked in with a black walnut box, and nodded to the jewelry store owner.

The owner of the jewelry store breathed a sigh of relief, stepped forward and quickly took the box, turned and placed it gently on the table. After opening it, a huge ruby ​​was revealed inside.

Looking at Gero, the jewelry store owner asked tentatively, "His Royal Highness Prince Gero, look, this is the largest ruby ​​in our store. Does it meet your needs?"

Gero didn't say anything, just turned his head to look at Richard.

Richard glanced at Ruby and nodded lightly.

Gero looked at the jewelry store owner, and immediately said without any fuss: "Tell me, how much is it, I want it."

"Uh, this..." The jewelry store owner hesitated a little, feeling troubled about the price. If the price is said to be high, I am afraid to offend the prince Gero, and if the price is said to be low, the store will lose money.

In this case……

Jewelry shop owner for a long time,

Neither came up with an idea.

Groo was a little impatient and urged: "How much is it?"

The owner of the jewelry store was helpless, so he had to bite the bullet and make an offer.

"One hundred..." The jewelry store owner said tentatively, staring at Gero's expression. He wanted to talk about the price of more than one hundred gold coins, but when he saw Gero's eyebrows slightly wrinkled, he immediately swallowed the number after one hundred. Going into the stomach, he said stiffly, "One hundred... amount, gold coins."

One hundred gold coins, this is the price of the huge ruby ​​in the box. It is not expensive, but it is also a huge sum of money.

Li Cha looked at Gero.

Grow really didn't talk too much. With a wave of his hand, the guards under him opened the purse, ordered the gold coins and threw them to the jewelry store owner, then picked up the ruby ​​box and walked out the door.

Bowing down and sending Richard and Gero away, the jewelry store owner walked back into the store and couldn't help wiping a cold sweat. The price of a ruby ​​sold for 100 gold coins can only be said to be the cost price. Considering the storage costs in the store, it is actually a loss. But in the face of His Royal Highness the kingdom's prince, he can only admit that he is unlucky and hope to earn it back from the rest.

The owner of the jewelry store thought about it, walked into the VIP room, and suddenly his body stiffened, he saw a person wearing a black robe with his entire face hidden in the hood sitting in the VIP room, as if he appeared out of thin air.

"You are……"

"I'm just a customer shopping, don't be nervous." The man in black robe said lightly, "I came to your shop for a very simple reason, I need to buy some low-level spell casting materials, um, of course, in your shop Just some gems in the eyes."

"Forehead……"

"Bring all the gems in your shop, I'll pick them out."

"This..." The owner of the jewelry store looked at the man in black robe and felt inexplicable pressure, even greater than what he felt from Ge Luo. He couldn't help but want to call someone, but another voice in his heart told him, Best not to do that.

The man in black robe looked at him without moving for a long time, and reminded aloud: "My time is precious, you'd better hurry up."

"Uh, yes, yes." The jewelry store owner responded, pursed his lips, and finally walked out the door with a complicated heart.

...

moment.

The table in the VIP room was full of wooden boxes of different sizes, all of which had been opened to reveal gems of various colors inside.

The man in black robe looked at all the gems on the table, and finally picked a few of them with disgust, and said to himself: "It really is a barren land, basically nothing can be used, and what can be used is also of quality. Very bad, but that's all there is to it."

"The guest, how are you going to pay..." The jewelry store owner said, and the next moment stopped abruptly, he saw the man in black robe turn around, revealing a face under his robe, his eyes glowing green , like two ghost fires burning, staring straight at him, making him a little creepy.

"You know, I originally wanted to kill you directly, that's the easiest way." The man in black robe said, his tone was a little gloomy, but then his tone changed, "But... since you are so obedient, I think it is better to give Your reward."

Raising his hand, a purple ball of light the size of a jujube appeared on the black-robed man's fingertips and sent it to the jewelry store owner's forehead.

The jewelry store owner was extremely frightened, wanted to run away, was extremely frightened, and wanted to shout. But he found that his body was locked, he couldn't run at all, his throat was so dry, and he couldn't make a sound. in the body.

At the moment when the light ball entered the body, the jewelry store owner's body shook violently. He only felt a sudden heat all over his body, his mind went blank, and his eyes showed a confused and dull gaze.

"What I give you is a special energy that can prolong your life for two years. It should be used as the price of purchasing spell casting materials. This should be fair." Forget everything with me. That's it."

After speaking, the figure of the black-robed man suddenly twisted and disappeared into the VIP room like blue smoke.

After a long time, the owner of the jewelry store seemed to be awakened from a sleep. He blinked and looked around. He saw all kinds of jewelry boxes opened on the table, his eyes widened, and he couldn't help shouting: "Come on, come on! Come on people!"

Soon, the loyal steward ran in, looked at the jewelry store owner, and asked, "Boss, what's the matter?"

"This..." The jewelry store owner pointed to the many boxes on the table with trembling fingers, and asked aloud, "This... what is going on here? These boxes shouldn't be locked in warehouses and counters. Well, why did you bring it all here?"

"Boss, didn't you let me bring these in? I asked you why just now, but you didn't tell me the reason, why..."

"This..." The jewelry store owner was stunned, his brows furrowed, and he couldn't help rubbing his gray hair. After rubbing for a while, he put down his hand, and suddenly found that there was a reddish-brown hair that had been pulled between his fingers. It was his youthful hair color, but now...

The jewelry store owner was completely stunned.

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