Three days later.

Su's Danqi Pavilion is located in a not lively laneway in Xiancheng, and there are not many pedestrians. Occasionally, immortal cultivators hurried past this place.

Yin Xuan found the Su's Danqi Pavilion, looked at it curiously, and found that this shop pavilion was also very small, inferior to Tianbao Zhai. But the business here is quite good, and there are several foundation building monks in the pavilion, talking about business with Su Chen.

She found the goods here to be cheap!

Whether it is to buy elixirs and magic weapons, or to place an order for special refining, the prices here are extremely low. It's so cheap that there's almost no profit to speak of.

Therefore, although the location of this Danqi Pavilion is remote, there are still many immortal cultivators who are not wealthy and come here.

This surprised Yin Xuan very much.

Su Chen finished talking with a few foundation building monks about a small order, and after they left, he looked at Yin Xuan who walked into the pavilion with a smile.

"Senior Su!"

Yin Xuan hurriedly saluted, looked at the pavilion, full of doubts, and said, "I looked at the prices of various elixirs and magic weapons in the shop, and it was almost unprofitable. This shop is not profitable, so how can it last long?"

Su Chen shook his head with a smile, "I'm just using these business orders to practice my hands, practice alchemy and alchemy, and it will be closed in as little as five years or as long as ten years, and I don't plan to operate it all the time! By the way, what are you thinking about the matter of Mithril Alchemy?"

Yin Xuan was stunned.

Senior Su is a Jindan monk and an island owner of the Spirit Pill Alliance, and there are many ways to make money, so he doesn't have to rely on this to earn spirit stones.

Yin Xuan hurriedly took out a jade slip from the storage bag, handed it to Su Chen, and said, "In the past few days, I have taken the Spirit Devouring Flying Ant back, and I have tried and tested it several times, and it has been confirmed that it is correct, this technique can indeed refine extremely high purity Mithril. This time, I brought a copy of the family's Mithril Smelting Technique and came to find Senior Su. Please take a look at it. ”

Su Chen nodded, and took a jade slip handed over by Yin Xuan, which recorded the Yin family's unique Mithril smelting technique.

After reading it, he taught Yin Xuan a jar of Soul Devouring Flying Ants and a complete insect control technique.

A newborn Soul Eater Mother Ant and dozens of low-level Soul Eater Flying Ants.

Only with the mother ant can new flying ants be born and replace the dead flying ants. Otherwise, the lifespan of the Soul Eater Flying Ant is several decades at most.

"The Soul Eater Flying Ant is not an ordinary docile spirit pet, but a different kind of fierce insect. They eat all spiritual things, and if they are hungry, their relatives will not recognize them, and they will even turn against their masters, so they must strictly control their number.

Remember not to let this group of soul devouring flying ants be too large, it is enough to raise dozens or hundreds of them for refining Mithril, and kill more than a hundred directly. Otherwise, their appetite is too big and they don't have enough spiritual creatures to feed, which will cause a catastrophe. You have only one female ant left in your hand to control the flying ant colony and prevent them from multiplying wildly. ”

Su Chen admonished Yin Xuan.

"Hmm. ”

Yin Xuan listened to the terrifying things about the Soul Devouring Flying Ants, her face turned a little pale, and she couldn't help nodding, carefully storing this jar of Soul Devouring Flying Ants.

These dozens of soul-devouring flying ants, she wants to take them back to raise.

Of course, she didn't have Su Chen's wealth and wealth, and she fed a huge colony of soul-devouring flying ants, which could be used to fight. She could only raise a few dozen of them, enough to refine Mithril.

"Senior Su, this Mithril Smelting Technique was secretly copied by me, and I didn't discuss it with my father. We have to keep the purification and smelting techniques of private transactions between us, and we must keep them secret. ”

Yin Xuan was a little weak-hearted.

"I only use the Mithril Alchemy Technique for my own use, refining a set of Mithril Armor, and I will not pass on this technique and refining objects to outsiders. ”

Su Chen thought for a moment and nodded.

Since Yin Xuan didn't want others to know, he naturally wouldn't say anything to the outside world. The less people know about his refining of the Mithril Armor, the better.

...

Su Chen was in the refining workshop of his Dan Ware Pavilion, testing the Yin Clan's Mithril Smelting Technique, refining a small part of the protective gear to see if it worked.

Yin Xuan also stayed behind to help, pointing out some key details.

Due to the peculiarities of Mithril, there are only two normal refining methods.

First, the super-level refining method. Melt Mithril with an extremely hot flame that exceeds a large level. But this is only suitable for Mithril below the third order, and it can be smelted by asking a primordial ancestor to make a move. But the fourth-order Mithril can't do it, and the Yuanying-level flames can't be melted, and it must be a god-transforming stage cultivator to smelt it, which is obviously something that ordinary refiners can't do.

Second, the method of violent tempering. Through hundreds of millions of repeated folding and hammering, the mythril and other gold and iron are thoroughly kneaded together to fully and evenly. It would take decades to build a third-order Mithril magic weapon, even for a Jindan monk.

And Yin's Mithril smelting technique is quite magical. Another way to cleverly avoid these two methods, this method is called "sulfur poison silver refining method".

"Mithril can dispel all kinds of spells in the world. But it does not repel poison, it will be corroded and ablated by various poisons. My Yin ancestor spent hundreds of years finding a strange sulfur poison from thousands of different highly poisonous things and completely dissolving it.

Then, the Mithril sulfur poison melt was sprayed into the fourth-order dark iron that had been melted at high temperatures and mixed well. Eventually, the poison is vaporized, and Mithril is precipitated again, and is evenly integrated into the darkiron. ”

Yin Xuan pointed out the details of each step in detail.

In particular, the preparation of sulfur poison is the most critical know-how. The exact formula of this sulfur poison is the true top secret of the Yin family, and it took tens of thousands of tests to obtain it. Even if outsiders know that sulfur poison is working, but if they don't know the formula, it is in vain.

Su Chen nodded, he naturally knew that Mithril did not dispel poison. Because of the Mithril Spirit Devouring Flying Ants, they can't dispel corpse poison, and they have been killed by Zhuang Luyi a lot. Other poisons can also hurt Mithril.

He took a pound of fourth-order high-purity Mithril and ten pounds of fourth-order dark iron and tested them.

The fourth-order dark iron was extremely hard, and in the high-temperature refining furnace, the extremely expensive fourth-order spirit charcoal was used to absorb a large amount of fire spiritual energy, and it took more than half a month to melt.

Subsequently, he dissolved the sulfur poison prepared by Yin Xuan himself, dissolved the Mithril sulfur poison, and sprayed it into the high-temperature refining furnace.

"Mithril came out, it caught fire, and it cooled down very quickly. Immediately pour the melt into the mold. ”

Yin Xuan's expression became nervous, staring at the high-temperature stove.

A pot of refined blazing furnace water, because of the infusion of mythril, the furnace water began to cool sharply.

Su Chen immediately waved his hand and poured the melt into the mold of a glove protector that had been prepared.

The originally boiling Xuantie furnace water was completely cooled down in almost a few moments. The high-temperature fire aura was quickly completely rejected by Mithril.

A fourth-order Mithril glove armor was officially released.

This Mithril glove protector exudes a mysterious brilliant silver light. At the knuckles, they can be bent and closed, which is quite flexible. To the touch, there is a bit of a cold air.

Su Chen put this Mithril glove on his hand, and put his palm on the fourth-order blazing spirit charcoal fire to barbecue, but saw that the fierce flames completely avoided this Mithril glove, and couldn't help but admire.

The fourth-order Mithril Glove can withstand the flames of the Yuan Infant level! If a complete set of fourth-order protective gear is refined, it is enough to resist the powerful spells of the Yuan Infant Monk.