In order to confirm his thoughts, Chu Fei suppressed the excitement in his heart and asked a few more terms: "Then do you know what gravity is, do you know Newton and Einstein?"

The four of Ye Tong looked at each other when they were asked by Chu Fei, and they didn't know which of Chu Fei's tendons was wrong, so they suddenly became so excited. But seeing his eagerness, they all thought about it carefully, and only after a moment did they shake their heads.

"Brother Zhao, you are the most readful among us, do you know what Wan Qi is?" Ye Tong asked the thin scholar.

The scholar shook his head, "I read all the books of sages, and I can't know everything. But I really haven't heard of what he said about gravity. ”

"Little brother, what kind of gravity are you talking about?" asked Lao Liangtou suddenly, as if he was very interested in these things.

"Well, to put it simply, gravity means that no matter what object is attracted to the ground, so you jump and immediately fall to the ground again, understand?"

Chu Fei briefly said the law of gravitation, but they didn't expect Ye Tong and the others to be at a loss, obviously not understanding what Chu Fei was saying. However, Chu Fei didn't explain, but began to rely on his knowledge of physics to build a pistol cannon or something, and then wouldn't he be able to unify the soul realm?

Before Chu Fei could continue to YY, Ye Tong on the side poured cold water, "Is there a problem with this gravitational force?"

"What's the problem? Countless physicists have failed to point out the problem for hundreds of years, what can you see as a little kid?" Chu Fei waved his hand, not paying too much attention to what Ye Tong said.

Unexpectedly, Ye Tong craned his neck and said to Chu Fei, "This gravitational force is just a problem, not all objects will fall to the ground." I often see soul refining masters who can fly through the air, even if they fly for dozens of miles, they won't fall. ”

Chu Fei, who was struggling with whether it was better to make a pistol or a cannon, stayed there for a moment after listening to Ye Tong's words, and after coming back to his senses, he hurriedly asked, "What the hell is soul refining?

The scholar on the side replied to Chu Fei, "I told you before that there is a special power in the soul world that can nourish the soul, and that kind of power is called soul power. And soul refining is the process of incorporating soul power into one's soul. When the soul power in the body is strong to a certain extent, it can fly with qi, move mountains and reclaim the sea, and even break the barrier and reincarnate as a human! These people are called soul warriors by ordinary wandering spirits!"

Chu Fei was dumbfounded after hearing this, if this group of soul warriors were really as powerful as this scholar said, let alone making ordinary pistols, even if they made a missile, they might not be able to kill them, not to mention that they couldn't make missiles with their poor knowledge of physics.

"Ahem" The strong man who had not spoken all this time cleared his throat and said, "Actually, it's not that exaggerated, soul warriors are also divided into levels, such as those masters of qi flying are also a minority, and they are rarely encountered on weekdays." And ordinary soul warriors are just a little stronger than ordinary people, and there is nothing else. ”

Although what this strong man said may be true, Chu Fei's dream of relying on modern technology has also been ruthlessly shattered, and after a long sigh, his eyes moved to this strong man. I had some doubts in my heart, and I couldn't help muttering, 'Is this strong man a soul warrior?'

Seeing Chu Fei staring at the strong man, the old Liang Tou on the side said with a smile, "Little brother, you guessed well, he is a soul warrior in the middle of the mountain, can you see how he is different from us?"

After Chu Fei listened to Lao Liangtou's words, he carefully looked at the strong man known as 'Banshan', and found that he was not different from ordinary people except that he was half a head taller than ordinary people and had a huge body, and he was no different from ordinary people. Huh?" Chu Fei furrowed his eyebrows and found something different. Although he was in a state where the soul realm was full of souls, the soul body of the strong man named Banshan was obviously much more condensed than the souls of others.

"Little brother, do you see that?" asked Lao Liangtou

"It should be a soul body, his soul body is more real than ours," Chu Fei replied

"That's right, it's the soul. Lao Liangtou praised with a smile, "The little brother really has eyes like a torch, and he can see the problem at a glance." ”

Ignoring Lao Liangtou's praise, Chu Fei instead turned to the mid-mountain and asked, "Why is this happening?"

Banshan scratched his head embarrassedly, and replied honestly, "I don't know the specifics, but I just know that after refining the soul, the soul has become bigger." The scholar on the side explained for Banshan, "According to the different degrees of soul refining, it is roughly divided into five realms: soul condensation, soul gathering, Danyang, nirvana, and rebirth, each realm has its own characteristics, as far as soul condensation is concerned, it is the process of strengthening the soul body, and the soul power enters the soul body after tempering, and gradually completes the soul body, and when the soul condenses at its peak, the soul body is almost no different from the physical body." It's just that he's only just entered the middle stage of soul condensation, so the change is not very obvious."

"I see" Chu Fei nodded thoughtfully, it sounded like this soul refining thing was more like ghost cultivation to return to yang than immortal cultivation. Since it doesn't sound like the process is particularly complicated, then why are there still so many wandering souls here in the soul realm? Chu Fei asked the scholar about his confusion, and the scholar sighed and said, "Although there are only five realms for soul refining, it is as difficult as reaching the sky. ”

"Why is this?" Chu Fei hurriedly asked

"Each realm of soul refining is very different, in addition to the extremely strict requirements for talent, the soul power required is also hundreds of times higher, but a large number of resources are controlled by the nobles of the five major countries, if our ordinary wandering souls are not attached to those princes and nobles, just rely on their own strength to refine the soul, and there are very few who can cultivate to the late stage of gathering spirits. Therefore, for thousands of years, only those few characters have been able to break through the boundaries and return to the yang. ”

Hearing this, Chu Fei could understand why although the soul was full of souls in the underworld for thousands of years, there were few people who could break through the realm and return to the yang, and the crux of the problem turned out to be like this. Not only are they extremely talented but also have resources, so it's no wonder that only a few people succeed.

Although Chu Fei didn't have much hope for himself, he was interested in this soul refining, and just wanted to continue to ask the scholar about other things about soul refining, but he didn't expect the scholar to suddenly look at Chu Fei with fiery eyes and say, "But you are different!"