Among the alchemy techniques mastered by Xiao Yu, the highest value was undoubtedly the refining of the Golden Essence Pill, because the Golden Essence Pill could quickly improve the strength of the fifth-order person, so that the fifth-order person would not have to be penanced for more than ten years or more than a few decades. The second is the refining of the Golden Essence Supplement Pill, which can make the fifth-order person recover his strength instantly, which is no less than bringing an extra life.

It is undeniable that in terms of value, the value of fifth-level pills such as the Creation Golden Pill, the Seven Tricks Spiritual Pill, the Rejuvenation Pill of Rejuvenation of Vitality, the Replenishing and Cleansing Pill, and the Broken Mirror Pill are several times or even more than ten times higher than that of the Golden Essence Pill and the Golden Essence Supplementing Pill. However, the main material of the elixir, including the Creation Golden Pill, is very rare, and it is difficult to find one for thousands of years, so how can it be refined?

Jin Jing Dan is different from Jin Pin Jing Dan, although the material is very precious and rare, it is relatively easy to find. The golden essence stone Xiao Yu can be directly replaced by the golden essence in the Panlong furnace, although the herbs of the golden essence pill are rare, but this kind of herb can grow in pieces, and some human cities have secret realms that can be directly purchased. You can also buy from a large trading intermediary such as the Giant Turtle Business Alliance, or a large business alliance such as the Goblin Caravan, as long as you are willing to pay for it, you will not be unable to buy it.

The formula that Xiao Yu got from the warehouse on Crescent Island is not inferior to the average value of about three star epic weapons, but if it is sold by mermaids, it may not add up to a three-star epic weapon, and it is a pity that it falls into the hands of outsiders, so Xiao Yu will accept it all, anyway, let someone write it down, and make up for it according to the equivalent price.

"Zhuyan Dan", an epic four-star elixir, can last forever after taking it.

"Disguise Potion", an epic two-star potion that can change its appearance after use.

"Forget Worries Potion", an epic three-star potion, removes all negative emotions and strengthens positive emotions after use.

"Killing Potion", an epic two-star potion. After use, the attack will have its own killing power, greatly increasing the destructive power.

"Enlightenment Pill", an epic five-star elixir, can seal the memory and block the five senses after use, so as to enter the best state of perception.

“……”

Xiao Yu turned out a lot of alchemy recipes, but unfortunately except for the formula of the "Enlightenment Pill", which was level five, the rest were fourth-level alchemy. Of all the alchemy recipes, only the "Enlightenment Pill" is the most valuable, and it can be used during retreat to effectively increase the success rate.

Regardless of whether it is useful or useless, Xiao Yu is not afraid of all epic alchemy formulas, and accepts them all, there is no harm in learning more alchemy, even if it is not used, the level of alchemy will be improved.

Xiao Yu continued to look through the scrolls one by one, and most of the things he encountered next were not satisfactory, and just as Xiao Yu gave up and was about to leave, he pulled out the last scroll. This scroll doesn't look special, but when you hold it in your hand, you can immediately notice that it is unusual, this scroll is made of dragon skin.

The dragon skin scroll has a strong ability to preserve spiritual information, allowing a scroll to remain undamaged for tens of thousands of years, and the contents of the scroll are repeatedly studied several times without disappearing.

After Xiao Yu swept it with his spiritual power, he showed a look of shock, obviously surprised by its content: "Contract reincarnation, one of the ten forbidden techniques of alchemy!" ”

Alchemy is the foundation of magical technology, and the pioneers are the subgods. Alchemy is as vast and profound as magic, and it is divided into many fields, and only the alchemy and alchemy chapters have been handed down. Xiao Yu knows alchemy, mainly focusing on alchemy, and is good at refining various potions and pills, and knows how to refine and refine substances. Alchemy is the foundation of alchemy, and at the same time it is the simplest field, as long as you can have the right flame and know enough alchemy recipes, you can achieve high achievements.

Refining weapons is more difficult than refining medicines, and refining weapons also need a suitable flame, preferably with Extreme Flame Fire, and a lot of basic knowledge is required. An alchemist who is proficient in alchemy can refine all kinds of epic equipment except weapons, and the moonlight cannon on Xiao Yu's body is an epic treasure made through alchemy, not the work of the dwarf race.

In fact, refining tools and alchemy is only a small part of alchemy. It's just that after the destruction of the sub-god clan, most of the alchemy was lost, and the goblin clan only inherited the alchemy and alchemy.

Xiao Yu once learned from Xiaobai's mouth that alchemy was originally a highly valuable art, but this kind of alchemy had been completely lost in the destruction of the sub-god race. Legend has it that alchemy has more than a hundred secret techniques and ten forbidden techniques, each of which has infinite value.

The scroll that was held in his hand at the moment was one of the top ten alchemy forbidden techniques, how could Xiao Yu not be surprised?

"Contract reincarnation?" Xiao Yu asked the mermaid guard: "Where did this thing come from, is it also a shipwreck?" ”

The merfolk guard shook his head and said, "No, it seems that this was found by the patriarch in the underwater ruins more than a hundred years ago. No one could use it, so it was put here. ”

Xiao Yu asked again: "What kind of relics?" ”

"It is said to be an undersea laboratory of a pre-civilization, but I don't know the specifics. ”

"Then forget it, I want this too, write it down."

There is definitely no problem with the spells that the sea clan can't learn, and in fact, so far, there has been no magic in the world that humans can't learn. Xiao Yu used his spirit to stimulate the scroll, and the glow injected into his head, and a large amount of alchemy information appeared in his mind, but the dense magical words quickly faded, and finally disappeared completely.

Xiao Yu closed his eyes and carefully sorted out this piece of information. It's no wonder that contract reincarnation is banned by the Subgods, it's a rather cruel and powerful spell.

This harvest is not small, not to mention mastering more than ten kinds of alchemy, and unexpectedly obtaining a kind of alchemy forbidden technique.

Xiao Yu wandered through the huge warehouse of the mermaid clan, and found nothing that could be used, so he asked the merfolk guarding the warehouse to help collect materials. It is undeniable that the reserves of production resources in the Mermaid Clan's total warehouse are far more than those in Wentian City, and there are a large number of fifth-level materials available, which can completely provide Xiao Yu's alchemy consumption.

Huishou Huichun Dan, the main main material of the millennium turtle grass, after the death of a turtle with a very long lifespan, the turtle shell has a small chance to grow out of a strange grass with a life-prolonging effect, this grass is called the millennium turtle grass, which is a rare treasure in the world, and the Haige tribe just has some inventory.

The main material is the 10,000-year-old earth-centered marrow, which is said to be found in the depths of the earth, and can also be found in the giant meteorites of the abyss world.

However, the Sea Song tribe does have a few strains of Seven Trick Spirit Ginseng, and the mermaid tribe knows that this thing is rare, although it cannot be used, it is completely preserved, and stored for hundreds of years.

This is the main material of the Seven Trick Pill, the Seven Trick Pill can be far more valuable than the Essence Cleansing Pill, although the effect of improving the natural physique does not care about the Essence Cleansing Pill, it is not as good as the Creation Golden Pill, but it has the effect of increasing the strength by one level, and the fourth-order subversive person directly has the strength of the early stage of the fifth order, because this Pill can ignore the realm. The Seven Tricks Pill is not like those pills that gain strength by destroying their own foundations, it only has benefits, and there is no harm at all. Whether it is retreat or combat needs, they are of infinite value.

In addition to the three rare pills that must be refined, Xiao Yu focused on refining the Gold Supplement Essence Pill and the Gold Essence Pill, the two kinds of pills are extremely useful, but the materials are not too difficult to find, and they are extremely valuable for refining.

Xiao Yu has a Yin Yang Purgatory Fire, refining power up to 90%, plus the assistance of the Coiling Dragon Pregnant Furnace, plus the Dryad Leaves to increase the success rate, plus the natural power to slow down the time, he can grasp every detail in the refining, and he has never failed once from beginning to end!

The thousand-year-old Divine Turtle Grass of the Haige tribe ran out, and a total of ten Rejuvenation Pills were refined.

The Seven Tricks Spiritual Ginseng that the Sea Song Tribe had collected for hundreds of years was also used by Xiao Yu to refine seven Seven Trick Pills.

Almost exhausted the golden essence gathering grass in the warehouse, refining sixty golden essence tonifying pills, due to the addition of the dryad essence, twelve of them have been upgraded in grade, from low-grade essence supplements to medium-grade essence supplements.

As for the refining of the Golden Essence Pill, Xiao Yu deliberately selected the best materials, used the highest-quality Demonic Beast Essence Blood, and used the Demonic Beast Magic Crystal of the late fifth order or even the peak to refine it, and the result was very ideal, when using all the golden essence stored in the furnace, Xiao Yu got three lower-grade Golden Essence Pills and five medium-grade Golden Essence Pills.

The refining of this high-grade elixir is very difficult, even if the failure rate of the goblin master is about fifty percent. Xiao Yu refined more than a hundred times, and none of them failed, which was really brilliant.

Xiao Yu placed himself in the Holy Domain, and in the time that was almost forbidden by the outside world, a large number of third- or fourth-level pills such as Blue Essence Replenishing Pill, Purple Essence Supplementing Pill, and Purple Essence Pill were almost forbidden by the outside world.

……

Three days later.

Xiao Yu sat in the empty secret room, with a large piece of crystal clear ice above his head, and the entire coiling dragon pregnancy furnace was sealed in it, although it was alchemy, there was no heat emitted, but it made the room become cold.

After half an hour, Xiao Yu opened his eyes, and a large number of cracks appeared on the crystal clear ice, and then burst open, and a colorful flame erupted from the furnace, and the indoor temperature suddenly soared by dozens of degrees, like a furnace.

An elixir flew out of the furnace.

"Enlightenment Pill, the fifth." Xiao Yu let out a sigh, "It's almost enough, the fat man and the stone are too stupid, with their own ability, every two or three retreats will definitely not be able to break through the fifth order, the Enlightenment Dao Pill, the Seven Aperture Golden Pill, and the Golden Essence Pill are used together, if they can't succeed in the retreat at one time." These two guys can really jump off the building. ”

Xiao Yu estimated that Han, Zhao, Ming, and Yan were well prepared, except for Han Kexin, the other three people each took the Seven Tricks Spiritual Pill, and the retreat should be nine out of ten. Xiao Yu's only worries are Wang Chao and Jin Shi, these two are the main henchmen, and their strength is a little worse, but they are definitely trustworthy, and the pill naturally has to be prepared for the two.

In the past few days, too many materials of the Haige tribe have been used, and they should be explained, so as not to fall into the mouth.

Xiao Yu left the alchemy room and asked the mermaid guard: "I haven't gone out for a few days, have the Crystal Sea troops set off?" ”

The mermaid guard nodded and replied, "The three million troops of the Western Front have been dispatched to the defense point in the area at the edge of the Crystal Sea to engage the enemy army. ”

"I want to see the Shui Lan Patriarch."