There are two major differences between a foundation building monk and a qi refining monk, one is the sea of qi, and the other is the Dan seed.

When the dantian and spiritual veins are broken, the sea of qi acts as a store of spiritual power, and at the same time, it also converts the spiritual power inhaled from the outside into the same spiritual power as one's own spiritual root, and the key role in this process is the Dan seed.

At the same time, the Dan seed can be said to be the essence of the monk's whole body, and it is the same as the demon core of the demon beast, which can evolve some spiritual power from the inside and store it.

In addition, if the sea of qi is a quantitative change, then the emergence of the Dan species is a qualitative change.

The appearance of the Dan species relies on the huge spiritual power in the Qi Sea, and what determines the attributes of the Dan species is the spiritual root attribute of the monk itself, and different spiritual roots derive different Dan species.

In battle, the foundation building monk can use the spiritual power stored in the Dan seed, although the number of these spiritual powers is not large, but the concentration and quality are abnormally high, and they can burst out in an instant a blow beyond their own cultivation, similar to a spell bonus.

And just now, Yun Mu mobilized a piece of the golden spiritual power planted on the Dan, and cooperated with Shan Jue Jue to send a blow that surpassed his mid-stage cultivation of foundation building, and in an instant, he reached the level of a half-step knot pill and even higher.

Looking at the figure of his right hand exploding not far away, Yun Mu's heart moved, his body rushed out again, his whole body was filled with golden light, and the Dan seed in his body turned rapidly, releasing spiritual power.

At this moment, Yun Mu was unstoppable, and from a distance, the whole person seemed to turn into a golden arrow, breaking through the void and heading towards the figure at a rapid speed, and it was approaching in the blink of an eye.

At the moment when Yun Mu's figure disappeared, the figure suddenly raised his right hand that had been blown up, and a low sound came out of his mouth, and the scales on his body were even more sonorous, and a circle of green lines appeared on the sharp corners of his forehead.

On his right hand, the dark green blood suddenly condensed, turned into a bloody spear, and was grabbed by one of his hands, and shot towards the golden light.

At the moment when the spear was shot, the lines on its sharp corners also lit up, turning into a green circle of light and imprinting on it.

At this moment, the spear gave people an indescribable feeling, as if it had life, and the aura around it was attracted by it, and the momentum was already monstrous in an instant.

In mid-air, before the two Changhongs collided, the momentum emitted had already rolled up an endless wind, roaring towards the formation, and the ripples on the formation barrier were undulating, spreading to all sides, but they did not collapse.

The eyes of all the people outside the stadium were attracted, even some other spectators outside the stadium also came, looking at the two Changhongs that collided at extreme speed, and their hearts were shocked.

If Yun Mu doesn't die this time, he will definitely become famous.

In the middle of his breath, the two earth-shattering rainbows had collided, and for a while the golden light was shining, and in that golden light, Yun Mu's expression changed, and he felt as if something was gnawing at his skin between his fists, which made him feel a little painful.

His gaze was slightly condensed, and when he looked ahead, he found that the green spear had been opened, and countless green worms drilled out and climbed up to his right fist.

"Damn, play a trick!" Yun Mu scolded secretly, a chill in his eyes filled the air, and a chill suddenly burst out between his fists when he hooked the Dan Seed in his body, freezing all the green insects.

Click!

Under the shroud of that cold, the green spear was frozen alive, crumbling in the golden light, and in the shattered ice, Yun Mu's figure had already been killed.

Bang!

Yun Mu's right fist hit the abdomen of the figure, a circle of ripples that could be seen by the naked eye spread, the figure was in the shape of a shrimp, blood spurted out of his mouth, there was a thumping sound in his body, and his eyes showed a painful color, and he flew out horizontally, hitting the formation and causing bursts of ripples to reverberate,

But this was only the beginning, Yun Mu's body rushed out again, and blasted towards the figure with a punch, and at the same time, the cold wind between the pinching of his right hand was cold, and countless ice blades roared out, penetrating every inch of the figure's skin.

After half a ring, Yun Mu stopped his figure, looked at the falling figure with a cold gaze, and after confirming his death, he turned around and walked out of the field.

Outside the field, everyone looked at the dead demon beasts in the field blankly, their hearts were furious, and when they looked at Yun Mu again, they also put away the previous ridicule and abuse, and their eyes became solemn and even with a trace of fear.

Chu Fan also came back to his senses after a while, and muttered in his mouth: "It's sent, it's ...... this time."

He rushed directly to the counter in a flash, and hurriedly took out the token to exchange for spirit stones.

Yun Mu slowly walked out of the formation, looked at the people around him with calm faces, felt their gaze, frowned slightly, and then his eyes swept to see Chu Fan in the distance, and walked away.

This battle is of great significance to Yun Mu, not only allowing him to personally experience his current state, but also allowing him to discover his own shortcomings.

Although the use of spells is skillful and flexible, the power is too low, and it is a little difficult compared to demon beasts, not to mention that in the future, when fighting with others in this ancient year, the spells mastered by these monks will definitely not be weaker than themselves.

"In addition to the Shan Jue Technique and the Fire Control Technique, I have only mastered one Wind Calling Technique, but if I don't have the blessing of the Dan Seed in my body, I am afraid that even the scales of the demon beast will not be able to break, and I must find a way to obtain other spells. Yun Mu carefully recalled the battle at that time, thinking in his heart.

"Yun Mu, amazing!" Chu Fan noticed Yun Mu's figure and immediately ran over.

"Let's go. Yun Mu glanced at Chu Fan and walked towards the exit.

After the two of them left, in a box on the second floor of the Colosseum, a young man sitting cross-legged opened his eyes and looked at the dead Nirvana Beast and the mysterious figure in the field, with a smile on the corner of his mouth, "The mid-stage cultivation of the foundation and the defeat of the half-step demon beast are not badly a candidate, secretly check that person, and then report to me." ”

"Yes, Childe. ”

"Hopefully don't let me down. After saying that, the young man closed his eyes again and immersed himself in cultivation.

After returning to the cave mansion, Yun Mu immediately told Chu Fan about his feelings about this battle, hoping that the other party could make some suggestions.

"The foundation building monk should be good at using the Dan Seed, and at the same time, the choice of spells should be consistent with his own spiritual root, preferably a spell with the same attribute, in addition, he should oppress his potential as much as possible, and squeeze himself again and again to let himself experience life and death......" After Chu Fan heard this, he handed over his feelings and some of what he had learned to Yun Mu.

This battle made him understand that Yun Mu's strength was no less than his own, and it was hard to believe that a loose cultivator could be so strong.

"I really have some doubts about whether you are a loose cultivator now?" Chu Fan shook his head and chuckled.

Yun Mu glanced up at Chu Fan, and said calmly, "If it weren't for loose cultivation, what would happen to you?"

"Let's live tenaciously together. ”

After a while, Chu Fan left the cave mansion and left some precious cultivation codex to Yun Mu as a reference, Yun Mu also looked at it carefully as if he had obtained a treasure, I have to say that with the experience of his predecessors and combined with his own perception, Yun Mu felt that he had a new view and understanding of cultivation, which had an immeasurable effect on his future cultivation.

Time flies, and Yun Mu's name is also known because of the battle in the Colosseum, and most people who are nostalgic for the Colosseum know that he is a young monk with great talents, and he is a demon beast who has been defeated in the middle of the foundation and has been defeated in half a step.

"Talented, peerless. Chu Fan looked at the information recorded in the jade slip and read it aloud, while Yun Mu shook his head with a wry smile, looking at the list in his hand and his eyes flickered.

"Chu Fan, are you sure these are all materials used to refine clones?"

"Yes, I have listed some of the more expensive materials for you, and I think you should be able to buy them with your current assets. Chu Fan nodded and explained.

"For example, this diamond fruit plays a protective role when you split your soul, and it can also make your split more smoothly. The saliva of this hell ant is integrated into your doppelganger body, making it even stronger, and it can reach the peak of foundation building in one fell swoop, as well as the pollen of this corrosive flower......" Chu Fan introduced the role of these materials to Yun Mu one by one, reminding Yun Mu that it is best to be able to gather them all, so that the perfect clone can be refined to the greatest extent, and its combat power is similar to the main body.

"How many spirit stones do these cost?" Yun Mu couldn't help but wonder.

"About two thousand top-grade spirit stones, didn't the Nether Fruit and that knife you sold sell for two thousand five hundred?"

"I also changed some materials for cultivation, and now it is about more than a thousand, and I still have to buy a few spells, these spirit stones are not enough at all. After Yun Mu carefully calculated, he looked at the jade slip in his hand, and there were still too few spirit stones.

"Accompany me to choose a spell first, improving your strength is the key, and the clone will talk about it later. Yun Mu stood up and put away the jade slip, he would not give up the clone, but it was still better to improve the combat power of the body, otherwise it would be useless to practice the clone even if it cost too much.