When he came to the border post, Yichen and the person in charge of the post explained the situation, and then began training at a training ground near the outpost.

Yichen first released the water attribute chakra in his body through B-level ninjutsu, and Yichen cast more than a dozen storm water waves and finally released the chakra, and by the way, he became proficient in a wave of storm water waves.

Then Yichen began to extract new chakras, at this time the effect was obviously not as good as before, there were a large number of water attribute chakras in Yichen's body, and the activity of water attributes was very high, but this would make these water attribute chakras have left the body, and the activity of water attributes in Yichen's body is also rapidly decreasing.

But there is still some effect, and the ingredients of the water attribute in the chakra newly extracted by Yichen are obviously much less.

This time, Yichen did not convert the newly extracted chakra into a water attribute, but into an earth attribute.

After the transformation is completed, Yichen extracts a new chakra again, which is actually over-squeezing the body, but this small amount of damage, Yichen can't take care of it for the time being.

Yichen used perceptual ninjutsu to discern which attribute the new chakra preferred.

This time Yichen has a vague sense, the most is still water and earth, but Yichen vaguely senses a new attribute, this is?

There are two kinds?

Yichen looked surprised.

There are two kinds of good things and bad things.

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The good thing is that it will be more convenient to develop the fourth attribute in the future.

The bad thing is that this shows that the third attribute of Yichen is not superior among the remaining three, and it is not easy to develop it.

Yichen carefully distinguished, and finally confirmed which one of them was. Is this fire? Yichen was a little disappointed, if only the wind attribute would be fine, he could get some help from Chun.

As for the fourth attribute, Yichen couldn't confirm it for a while.

But it doesn't matter, it's barely enough to know the third one. The next thing Yichen has to do is to develop fire-attribute ninjutsu.

Yichen also has two fire escape ninjutsu in the dark department, one is from the sand ninja dark department that wanted to infiltrate the land of earth, and it is used by the sand ninja to buy off a rock ninja spy, this is still a B-level fire escape: fire escape phoenix immortal fire technique.

The other is the Fire Escape Hao Fireball Technique obtained from the Konoha Outpost, this one is C-rank.

But ninjutsu is about how to apply it, and before learning ninjutsu, the ninja must first transform the chakra into the corresponding attributes. This is something that ninjas need to realize for themselves.

Therefore, Yichen has another cultivation focus next, that is, to comprehend the fire attribute. Yichen wanted to go back to the village at this time, and there were many experiences in the village that had been realized by his predecessors, and he could exchange them with his contributions.

You can also ask the middle ninja and the upper ninja to give guidance.

But at this border, Yichen can do too little, so he can only rely on himself. Yichen was a little unconfident, the perception of the soil attribute did not rely on himself before, it was the welfare of the village, and the perception of the water attribute did not go very smoothly at the beginning.

There is little scientific basis for ninja perception of the change in the nature of chakra, and practice is far more important than theory in this regard, as is the case with Naruto in the original book.

But for Yichen to practice, it must also have a foundation of chakra attributes. In other words, the chakra must be consumed before the dust is perceived, and then the newly extracted chakra must be used to perceive, otherwise it will not be effective. Because the chakra extracted from Yichen under normal conditions does not have fire attributes, it is impossible to use this chakra to comprehend fire attributes.

So during this time, Yichen could not leave the outpost.

Perception attribute changes, Yichen can only be carried out in the way of a modern person's understanding without anyone to guide him, Yichen lights a fire in front of him, and then sits on the side and tries to touch the flame with the newly extracted chakra.

The effect was not so obvious, after Yichen sent the chakra into the fire, the fire only shook a few times, neither became more vigorous nor extinguished.

Then Yichen took out a piece of firewood from the fire that was carrying sparks, but not on fire, and then entered the chakra into the firewood, but the result was very embarrassing, perhaps the chakra isolated the air, and the spark slowly extinguished.

Yichen was a little speechless.

But Yichen didn't give up easily, and all kinds of means turned into battle, and he had to try before he was willing.

It wasn't until noon three days later that Yichen had a whim, and instead of sending Chakra into the fire, he took a piece of dry firewood and thought about it.

Ninja casting fire escape is a direct flame, and it doesn't need a fire source, so the previous idea should be wrong. An attempt should be made to ignite an object that is not on fire, and this is the point of the change in the chakra of the fire attribute.

Therefore, Yichen began to transport chakra into the dry firewood, and at the same time used perceptual ninjutsu to carefully experience the changes in the dry firewood.

This operation does seem to have some effect, but Yichen found an embarrassing place, that is, Yichen's chakra water attribute accounts for the majority, and the fire attribute is only a little bit, and it seems a bit fantastical to use this attribute to ignite dry firewood.

After discovering this embarrassment, Yichen replaced the firewood with hay, and finally directly replaced it with matches.

Yichen, who has ruined countless matches before and after, finally has made some breakthroughs. Yichen sent the chakra into the red phosphorus on the head of the match, and then carefully observed the changes in the red phosphorus, and the result was really effective, the chakra before Yichen flowed too fast, and the fire attribute was too little, so it had no effect on the red phosphorus.

Later, Yichen controlled Chakra to stay in the red phosphorus, and as a result, a fire actually broke out in one place, and then this flame spread to other locations under the burning of red phosphorus.

It's just that this spread is a little slow at the beginning, and the speed is very fast in the later stage, and Yichen didn't catch the fleeting anomaly.

But Yichen, who had a direction, became excited, first bought all the matches in the outpost, and then tried it over and over again.

In the end, Yichen finally grasped the unique feeling that Chakra brought to him in the short time that began to spread after Chakra lit the match.

Yichen was addicted to this indescribable feeling and couldn't extricate himself, repeating this feeling over and over again. It wasn't until all the matches were used up that I came back to my senses.

"Huh~~" Yichen, who took a long breath, looked around, at this moment, he felt that the world was different, and he felt that his whole person was different.

Although he hadn't fully succeeded yet, Yichen knew that he had started. The next most difficult point has passed, and after becoming more proficient, you can master the changes in fire attributes.

Feeling that there was still some chakra left in his body, Yichen took some hay, and then entered the chakra into it according to his perception, and then after a while, the pile of hay was burning.

Hurriedly threw out the burning hay, Yichen was a little excited. The third attribute has finally arrived.

"Captain, you succeeded?" This is the sound of the symbol. Yichen's three subordinates naturally knew what Yichen was doing these days, and now they saw that Yichen could light a fire out of thin air, so they all came up to ask.

Yichen nodded, and shook his head again. "I'm getting started, I understand what the fire attribute is all about, but it's still very early to say success, my chakra has too few fire attributes, and I must first consume the original chakra and extract the new chakra, so that there will be a fire attribute. And even with the new chakra, I'm just getting started, and I'm still far from really mastering it. ”

Truth be told, Yichen is now able to light hay, but he is still far from lighting firewood. And if you want to use fire escape out of thin air, it will be a long way.

However, from the moment Yichen realized the fire attribute chakra, he was equivalent to successfully prying the originally balanced chakra in his body, so that the fire attribute also successfully escaped a trace of it.

Moreover, this trace of chakra that escapes is fixed and escaped, and it will only increase as Yichen's perception increases.

It's just that there are still too few of them. Yichen estimates that this trace of fire attribute may not be able to be measured even if he uses chakra test paper to measure it. Therefore, in a short period of time, if Yichen wants to comprehend the change in the nature of the fire attribute chakra, he must first consume the original chakra.

After staying in the outpost for a few more days, the time agreed with the old man Guangzhao was up, and Yichen returned to the town with the 7th team.

At this time, the teams scattered out by Guangzhao were also returning one after another, and some of them were fast, and they had already returned the day before.

Since it was the first business, Guangzhao received instructions from the well workers in advance, and all the profits obtained were used to purchase materials, except for the wages of everyone in the caravan.

Looking at the supplies that were twice as large as the previous time, Yichen was a little surprised and asked, "Grandpa Guangzhao, could it be that the income of the caravan doubled last time I ran this trip?" ”

Guangzhao laughed and said: "Yichen, you can't calculate it like this, although the goods are doubled, but the cost is not only the goods, but also the consumption of the carriage, the cost of time, and taking into account the risk and other factors, in fact, the income is not very much." ”

Yichen thought about it, this business was very successful, there were no accidents, of course he made a lot of money, but in fact, the probability of accidents is quite large, such as illness, if someone in the caravan is sick, the caravan can't ignore it. So if you take into account all kinds of accidents, after a trip to business, it seems that the profit of Fandou is really not much. After all, the ninja world risks their lives when doing business.

No longer bothering about this matter, Yichen and the others waited for a few more hours, and the various squads that the caravan had originally divided into finally converged. And what was another pleasantly surprised was that the team that arrived last brought two caravans. These two caravans were not large, probably only about a quarter of the caravan of Guangzhao.

Yichen checked their goods, and it turned out to be some local specialties like Guangzhao them.

Out of curiosity, Yichen asked them what they thought.

It turned out that these two caravans didn't believe that Yichen and their business would last long, but they heard that they would set off again today, thinking that the second business would definitely continue, so they decided to follow Guangzhao and them for a trip.

The purpose of these two caravans is actually just to explore the way, if this business is good, Yichen believes that the scale of the next business will be much larger than now.

This is a good thing for Yichen, and the effective imitator is what Yichen expects. Yichen hopes that this scale will become bigger and bigger, and finally it will be able to drive the entire country of rain and earth to develop in an all-round way.