The old man took Yin Nian to a small warehouse behind the office.

It's full of all sorts of materials.

It can be seen that these materials are not of high value, and many of them are obviously discarded leftovers.

The old man walked up to an old instrument, swept the dust on it and said: "Although this instrument has been some years, it is still not a big problem to purify the materials, I will not give you the question, now these materials, you can play freely!" ”

After saying that, the old man found a chair and sat down.

Yin Nian stepped forward and rummaged through a pile of materials.

To be honest, she didn't have a deep understanding of alloy weapons.

This is a new set of refining system developed by human beings after discovering the Xingyang Realm, combined with the refining methods unearthed from many ancient ruins.

The effect is clearly excellent.

And this system will continue to be strong and perfect for hundreds of years to come.

It is also the foundation of mankind's foothold in the Star Yang Realm.

But as far as she knew, comparable to alloy weapons, there were also bone weapons that were famous in ancient times.

There are very few records of this weapon in ancient books, and the refining technology is only in the hands of a small tribe.

The principle is somewhat similar to that of Metal weapons.

But because of the special properties of the bone weapon, it can also engrave the formation.

Therefore, the development potential is far greater than that of alloy weapons.

Yin Nian searched in his mind, and then according to the bone refining method in his memory, he found the bones of seven or eight fierce beasts in these piles of materials.

On the side of the refining department, although the study of alloy weapons is the main course, it does not mean that other refining methods have been completely abandoned.

In this small warehouse, there are some materials for everything.

However, materials like ferocious beast bones have long been covered with thick dust and have not been noticed for a long time.

For many people, weapons made from the bones of fierce beasts are both fragile and impractical.

But the spiritual power, elements, etc. contained in the bones of the fierce beast are very valuable for research.

Just from a short period of time.

The medicinal value of the materials on the beast's body is much higher than the value of the refining weapon.

……

When the old man saw the refining materials selected by Yin Nian, he couldn't help but lift his eyelids.

All animal bones are used as raw materials, which is quite rare.

Yin Nian came to the workbench with the materials and cleaned the animal bones with clean water first.

Then after drying, set aside for later use.

Before the old man saw Yin Nian using the instrument, he had to look at the manual next to him first, and he knew that he was a completely new person.

The curiosity that had just been mentioned retreated.

I thought there would be some surprises, but it seems that he just thought too much.

Yin Nian probably studied the operation method of the instrument, and then began to cut each beast bone according to different proportions.

Next, some of the animal bones were heated directly, some were soaked in water, some were ground into powder, and there was even a piece of animal bone coated with some unknown potion.

Of course, the potion was temporarily prepared by Yin Nian.

Looking at this series of chaotic operations, the old man completely lost interest in Yin Nian's refining process.

He leaned back in his chair, his eyes half-cocked, clearly ready to close his eyes and recuperate.

It took about ten minutes.

The old man was about to fall asleep, and there was a sudden loud noise from Yin Nian's side.

He suddenly opened his eyes and looked over, and saw some scorched marks on the workbench.

"Small accidents, small accidents." Yin Nian hurriedly turned around and explained.

Then she poured a small poke of powder made from animal bones into the instrument, and then set the time for the steps of heating and purifying the quenching machine, and then sat down next to her to rest.

Once all the preparations are in place, now it's just a matter of waiting for the final result.

High-tech instruments, it's so convenient and fast.

But there's nothing technical about it.

Refining tools is the same as refining medicines, the more you reach the later stage, the less resistant you are to the instrument.

At the same time, the requirements for the alchemist himself will also be greatly increased.

People who only rely on instruments are not destined to achieve great things.

"Little girl, what kind of weapon do you want to refine with so many animal bones, smearing and smearing, and beating and beating for so long? Wouldn't you not know that simply refining weapons from animal bones would have such flaws that they would be unusable? The old man finally couldn't help but ask.

"I didn't just use animal bones!" Yin Nian corrected: "Strictly speaking, I should have used eight kinds of beast bones, plus three auxiliary materials, and two auxiliary tools. ”

"Huh?" The old man was confused, "Who taught you this?" Will it work? Don't break my equipment, it's expensive to repair! ”

"I used to see the method in an ancient book, I thought about it myself, and this is also the first time I have tried, if the instrument is broken, I will pay for the repair." Yin Nian said for a long time.

"How do you see it in ancient books?" The old man raised an eyebrow.

Why didn't he believe it!

The various ancient books collected by Qianlong Academy are definitely the most complete and abundant in the entire Star Yang Realm.

What's more, this is the refining department.

He had never heard of a method of using animal bone refining tools to record them.

If there really is, there won't be even a clue!

The old man has no hope for Yin Nian.

"Ding!"

At this moment, the instrument next to it emitted a crisp chime.

It means that the previous steps have been basically completed.

Yin Nian came to get the instrument and began the final condensation step.

She imagined what the weapon would look like, every little detail, and then injected it into the receiver with mental power.

Once the complete picture is formed, the instrument begins to work again.

Seeing this scene, the old man was once again stunned by Yin Nian's operation.

"You can even construct a picture directly with mental power?" The old man asked with a look of surprise on his face.

It takes a lot of mental control to do this.

The students of Qianlong Academy naturally have no shortage of mentally powerful geniuses.

However, when they use the equipment, for the sake of safety, they still design the style of the weapon on paper or computer, and then import it into the equipment.

This is because if there is a slight mistake or interruption of the mind when using mental power to construct the picture, the receiver will stop working.

The time of the condenser is delayed, which will directly affect the refining results.

"Isn't this receiver next to the instrument just to receive spiritual power?" Yin Nian glanced back at the old man in confusion, "If you don't need it, why is it designed?" ”

"......" he was speechless.

The process of condenser takes only a few minutes.

When the instrument sounded again, a white weapon that was braving the cold air was sent out directly under the instrument.

It was a knife that was only about twenty centimeters long.

The blade is slender and glows with a cold glow.

On the hilt, there is also a groove the size of a fingernail.

It should be used for inlay decoration in the later period.

In short, judging from the appearance alone, the shape of this knife is very beautiful.