According to incomplete statistics, the total number of knife casting formulas created by humans is only close to one hundred, and some of them were lost with the fall of the knife caster in the ruined city, and the rest were scattered in different settlements. ”

"There are only 37 kinds of knife casting formulas that we have mastered in the Blackstone Settlement now, including 3 high-level formulas, 8 intermediate formulas, and 26 lower-level formulas. ”

"Different levels of knife casting recipes, the final soul knife power is naturally different, so even if it is the same level, the strength of the knife casting master will have a big gap because of the formula!"

"What's more, a knife caster can only have one white knife in his life, and once he starts casting knives, he can't easily change it, so having a good knife casting recipe means a superior starting point for a knife caster!"

"And the Knife Forgers Guild has the most knife casting recipes in the Blackstone Settlement!" the old man said loudly.

The students listened with yearning on their faces, and they couldn't wait to get the formula now and start casting knives.

Lin Ze had a thoughtful look on his face, and he recalled the Red Lotus formula he had drawn, which seemed to be the high-level knife casting formula.

'Red Lotus (36% Steel, 33% Fire, 12% High Temperature, 18% Light, 1% Divine)'

"In other words, if you want to forge the 'Red Lotus' Soul Knife, you have to hunt the insects and beasts that have the five attributes of steel, fire, high temperature, light, and sacredness, and then absorb their soul energy in strict proportions. Lin Ze thought to himself.

On the podium, the old man continued: "The more advanced the knife casting formula, the more types of soul energy involved and the more soul energy needs to be absorbed, and the more difficult it is to cast, and of course, the more powerful it is. ”

"Among them, the lower-level formula involves the least variety of soul energy, generally only three, for example, the most common soul knife 'Shengang' in the Blackstone Settlement today, which is a lower-level knife casting formula. ”

"There are three kinds of soul energy required to cast Shengang, because of the common regulations of the three major organizations, I can't tell you the complete formula ratio, but I can explain one of the soul energy to you a little, that is, the 'steel' attribute soul energy. ”

"This kind of soul energy comes from a kind of insect beast called steel soldier insect, which belongs to the basic soul energy, and almost all formulas contain this kind of soul energy, but the proportion of steel attribute soul energy in the 'godsteel' formula is particularly high, reaching 80%, in other words, if you need to hunt 1,000 soul beasts to absorb enough soul energy, then it must contain 800 steel soldier insects!"

"Teacher, how can we get the recipe for forging knives?" asked one student impatiently.

The rest of the people pricked up their ears when they heard this, and they also wanted to know the question.

The old man smiled: "The easiest way is to join the three major organizations, that is, the Knife Casting Guild, the Autonomous Committee, and the Blackstone Chamber of Commerce, so that you can obtain at least one lower-level knife-casting formula, of course, if the talent and potential shown are good enough, it is not impossible to obtain the intermediate formula, or even the high-level formula!"

"However, this is still a long way away for you, when will you pass the assessment and successfully graduate and be promoted to a trainee swordsmith, then you will have the opportunity to join the three major organizations, so let's study hard first. The old man poured cold water on everyone.

"Back to the issue of knife casting, in this process, the white knife will gradually show the corresponding characteristics and abilities with the increase of soul energy absorption, at this time the apprentice knife caster begins to have a certain strength, and when the white knife absorbs enough soul energy according to the recipe and reaches 100%, it can completely evolve into a soul knife, to this point, the apprentice knife caster can take off the two words of apprenticeship in front. ”

"All the soul knives that are formed have powerful powers, such as Shengang, which has the ability to cut iron and break gold, even if the shell defense is as strong as gold and iron, it can't stop Shensteel's sword!

"The power of the soul knife is strange, of course, because the power is too strong, so the soul knife can't keep its power out at all times, and it is usually hidden, and only when it is really facing a battle, the knife caster will liberate it. ”

"Liberation?"

"That's right!" the old man nodded heavily, and said in a deep voice, "Every soul knife will have a corresponding liberation language, when the soul knife is cast, the corresponding liberation language will naturally appear in the mind of the knife caster, and as long as you recite the liberation language during the battle, you can completely liberate the power of the soul knife!"

Seeing the expressions of the students who seemed to understand whether they understood or not, the corners of the old man's mouth curled slightly, and he said with a smile: "It's better to say that it's better to see, it's okay, let's make an exception today, so that you can see the real liberation with your own eyes." ”

In the expectant and excited eyes of the students, the old man slowly pulled out the soul knife on his waist, and with the crisp sound of gong, the snow white sword light appeared in the classroom.

Judging from the appearance alone, there seemed to be no difference between the formed soul knife and the white knife, but Lin Ze could keenly perceive the sense of oppression and threat brought to him by the soul knife in the old man's hand, obviously as the old man said, the power of the formed soul knife was very powerful, but it was not outward.

This made him yearn for the power system represented by the soul knife even more.

After pulling out the blade, the old man held the knife in one hand, his lips moved, and he spat out the words in a low and rapid voice:

"Crush him, White Dwarf!"

As a low voice sounded, the soul knife in the old man's hand was instantly wrapped in a layer of dazzling white light, and several students closest to the podium were immediately dazzled by the light and couldn't help but close their eyes.

At the same time, the stagnant and powerful momentum spread abruptly, permeating the entire classroom in the blink of an eye, and all the students only felt that their breathing was tight, and cold sweat instantly broke out on their backs, as if they were targeted by a terrifying giant beast.

"This is the liberation of the soul knife!" the old man said with a smile, followed by handing the soul knife a little forward, and said in a deep voice, "Triple gravity!"

As the words fell, a heavy pressure suddenly fell on the classroom, and everyone present only felt that their bodies sank, as if they were put on a layer of steel shackles, their hearts were beating rapidly, and their ears seemed to hear the sound of blood rushing and flowing in their veins, and their chests were dull and almost vomited.

Fortunately, gravity came and went quickly, and after only four or five seconds, everyone felt that the pressure was suddenly dissipated, and they couldn't help but lie on the desk and gasp for air.

Looking up again, the white light on the surface of the soul knife in the old man's hand had already dissipated and returned to its original appearance, but he didn't know when he lifted the liberation of the soul knife.

After such a stubble, the students had a deeper understanding of the power of the Soul Knife, and many of them had expressions of excitement and eagerness on their faces, and their eyes were full of envy and longing when they looked at the Soul Knife 'White Dwarf'.

Lin Ze sat in his seat in a daze, staring intently at the soul knife 'White Dwarf', and the look of doubt in his eyes flashed.

For some reason, he always felt that the scene just now was somewhat familiar, as if he had seen a similar scene somewhere.