Prior to this, although Chen Feng had absorbed a large amount of Yin Qi transformed by the Heavenly Stars and Moon Beads, and he also had a ghost soul, he still had a relatively little understanding of Yin Souls, believing that they were only a very small part of the secret realm. Who would have thought that after Chen Feng read this book, he realized that the Yin Soul series had such rich content. Without expansion, there is a netherworld or a ghost world in the world.

This book is very old, Chen Feng originally thought that it just existed in the ancient era where Xuan Xiang lived, but looking at the author's tone, Chen Feng judged that its writing date should be pushed forward, and it should be completed in the Middle Ages. That era was the golden age of the secret realm, an era of mysteries gathering and strength.

The book says that during that period, although the secret realm was divided into two realms, the good and the demon, did not discriminate against each other, they were just different in the secret techniques they cultivated. And many times, the strength of the Demon Dao is greater than that of the Right Path. It's just that the righteous path often dominates the aura of the mortal world, so it barely maintains a delicate balance.

Although there are no specific secret techniques cultivation methods in the book, many strange secret techniques are introduced. For example, there is a specific kind of Yin Spirit, which is cultivated with a secret elixir and then refined into a more advanced secret elixir. After taking this secret medicine, the mystic person can greatly improve the flexibility of the body, and the head can be twisted in all directions at will. The flexibility of the body itself has little effect on the secret person, but if it is cultivated to the head and limbs, it is a great fighting power.

The book also records a lot of secret medicines that can be used to cultivate poison and yin secret arts. For example, a plant called sour rot grass is not significantly different from ordinary grass, and only at night can it be seen with a faint phosphorus fire. Sour rot grass is highly toxic to normal people, and secret people often can't resist its toxicity. However, it is a healing elixir for the Yin Spirit. After an ordinary Yin Soul is injured, it can be healed within a few hours without refining it without refining it, and its strength may continue to increase. However, when this Yin Spirit took the sour rotten grass for the second time, the healing effect was still the same, but the strength would not be so improved.

The book also mentions some of the quirky creatures that sit somewhere between the Shade and the Secret Beast. For example, a secret beast called Soul Sniffer can find deeply hidden ghosts. The Yin vein where Chen Feng is now located, in the Middle Ages, the secret people often relied on the soul sniffing dog to find it.

However, Chen Feng knew very well in his heart that the more strange things he was, the less likely he was to find them. In particular, many of those things that were extremely rare in the Middle Ages and Early Antiquity are now extinct.

In the next three or two days, Chen Feng flipped through the book when he was bored, and he gained a lot of knowledge. Although a lot of the content in it didn't seem to be very useful now, Chen Feng was willing to eat it.

However, at the end of the book, Chen Feng saw a text that he might be able to use now.

This is a text that explains how to craft a treasure. At first, Chen Feng thought he was wrong. In the secret world, secret treasures are very few things, and ordinary secret masters may only have one or two of them, and some secret masters even only use secret weapons.

Xu Song gave this book to Chen Feng, naturally because he felt that this book had no effect on him. He may or may not have read this text, no matter what, it really doesn't mean much to Xu Song.

Chen Feng took a look, this secret treasure is called Yin Phosphorus Arrow, which is a rare arrow secret treasure. The biggest feature of this secret treasure is that it specializes in attacking people's secret knowledge.

Chen Feng looked at the production process, and then suddenly realized: Even if Xu Song read this text, he would not have any ideas, because it was impossible for him to make it.

The effect of the Yin Phosphorus Arrow is to hurt people's secret knowledge, and it is almost useless in the competition of the secret disciple or even the secret master stage, after all, the secret knowledge of the secret of these two realms cannot be released at all, and only Chen Feng is an exception that is rare in a thousand years. Therefore, even if there is a Yin Phosphorus Arrow, Xu Song will not be too interested. Of course, a secret treasure is still a secret treasure, and you can sell it if you don't need it. However, the cost of making the Yin Phosphorus Arrow is too high, and the price of selling it may not be able to recover the cost. As for the production process, it's not that it's difficult, but the conditions are a bit harsh.

The material used to make the Yin Phosphorus Arrow must be wood, not metal. The rarer and more precious this wood is, the more powerful the Yin Phosphorus Arrow may be. Of course, if you can't find it, you can only use bamboo or peach.

Secondly, the other materials needed to make the Yin Phosphorus Arrow are hard to find. There are three main types of materials, Lost Stone, Soul Oblivion Stone, and Epite Stone. If all three things are mixed in the refining process, the effect is the best. At least two kinds of stones must be put in order to barely succeed in refining. A stone that cannot support the formation of an arrow of yin phosphorus.

The first two kinds of stones, Chen Feng happened to have both. The last one is called Epistolite, but Chen Feng has never heard of it.

These three materials, Phospholite Chen Feng has never heard of, so it can be seen that it is not a common thing. As for the Lost Stone and the Soul Oblivion Stone, although Chen Feng had them, these two were extremely difficult to find in the mainland. Once you take it out, it sells at a high price.

Chen Feng estimated that even if the method of refining the secret treasure was placed in front of a secret master with a good net worth, he estimated that he would have to consider whether he needed it, which was something that would cost him a lot of money. With these riches, it is better to directly buy a few top-notch secret weapons that can directly attack the opponent's body. If you injure your opponent's secret master, your opponent will not die, and if you destroy your opponent's body, few of you will survive.

Therefore, no matter how you look at it, this is a chicken rib refining.

However, this chicken rib is very flavorful to Chen Feng.

One of Chen Feng's major methods is the secret attack. The effect of a secret attack depends on three points: first, the strength of one's own secret knowledge, second, the gap between one's own secret knowledge and the enemy's secret knowledge, and third, the secret knowledge type of secret art.

Chen Feng's own secret knowledge was already very powerful, and many secret masters couldn't compare to him. Chen Feng learned alchemy mysticism, which was not a secret art, but a general term for a class of secret arts. It can be said that Chen Feng is not short of secret techniques. Once he possessed the Yin Phosphorus Arrow, Chen Feng would be able to damage his opponent's secret knowledge, thus further widening the gap between himself and them. In this way, it is more likely that you can defeat your opponent with your secret knowledge.

In addition, the attacks of the secret knowledge type are often lightless and windless, making people unaware and difficult for opponents to detect. These are all incomparable to ordinary secret weapons and even secret treasures. Therefore, Chen Feng decided to refine the Yin Phosphorus Arrow according to what was said in the book.

Before refining, Chen Feng still lacked two things. One is the wood used to refine the Yin Phosphorus Arrow, and the other is the Phosphorus Stone. Thinking that there will be a trading conference next month, although he is not very clear about it, Chen Feng thinks that this is an opportunity to find these two items.

If you can't find a good wood, you can only replace it with a normal one, but this is a bit of a pity. Three kinds of stones can be put into two, but Chen Feng still hopes to completely follow the method to achieve the effect of excellence.

Thinking of this, Chen Feng closed the old book and began to silently recall the refining process, pondering the details in it to prepare for the future.

(End of chapter)