The four rule fragments refined by Ding Ling were relatively small, only the size of pearls, but they were very pure, and there was only one rule among them.

This is undoubtedly too specific compared to the large volumes sold in the Imperial Heaven City, but the rules contained in them are too large.

After three months, Zi Chen had gone deep into the secluded forest for ten miles, and everywhere he passed, all the trees had been cut down, but it wouldn't be long before new trees would take shape here, so it was impossible for outsiders to follow Zi Chen's pace.

After clearing an open area, Zi Chen motioned for the dragon soul to guard, Dan Ding continued to refine those tree marrows, and Zi Chen refined the four rule fragments.

Of the four, two represent strength, one represents agility, and one represents degree.

Zi Chen first refined the power fragments, and the power fragments were familiar with the rules here.

Three days later, the two fragments representing the rules of strength were completely refined, and it took Zi Chen another day to familiarize himself, and when he drew his sword again, Zi Chen was already able to conjure two sword lights with one sword.

In just three days, Zi Chen's strength has almost doubled, and of course, this strength is still too different from the outside world.

The subsequent agility and degree only allowed Zichen to gain a little, and the effect of growth was minimal.

The new batch of spirit crystals was successfully refined, and this time there were thirty-five pieces, and Zi Chen only provided ten copies of the number of piths.

In addition to the thirty-five spirit crystals, Zi Chen also accidentally obtained a small rule fragment, about the size of a fingernail, but it was a rare life rule.

After refining the rules of life, the comprehension of life is higher, and it is also of great use to the recovery of life force during the period.

This was an unexpected surprise, so Zi Chen began to search for more marrow in order to get more life rule fragments.

Zi Chen shot very hard, it seemed that because of the many shots, Zi Chen's comprehension of the rules of strength was also one step closer, and he felt that it would not be long before his strength could turn into three swords in one sword.

And during this period, one by one the trees fell, and the pith was taken away by Zi Chen, and through the refining of the guò Danding, Zi Chen obtained more and more fragments of life rules.

The more marrow that Danding refines at one time, the greater the success rate of successfully condensing the rules of life.

In the blink of an eye, another three months have passed.

The battle between humans and aliens continues, and more and more strong people are being attracted, but it doesn't have much to do with Zi Chen.

Outside the secluded forest, the alien race has been very successful in encircling and suppressing the human race, but most of the dead are some weak people, and those who are really strong continue to let the alien race suffer one big loss after another.

In Zi Chen's sight, a large tree tens of meters high appeared, and every leaf around its body was shining, which could be regarded as a natural defense.

"Hmmm. ”

Zi Chen did not hesitate to hold the knife and slash out in the blink of an eye.

Large swaths of flying branches were cut off, and the light of the knife fell on the tree, marking three deep marks.

After a knife was slashed, Zi Chen instantly retreated, he knew that the effect of the sharp edge had moved, but the opponent's defense was very high.

The big tree was in pain, let out a scream, and turned to attack Zi Chen violently, and the branches that extended one by one were like spirit snakes, they could quickly detect the direction of Zi Chen, so as to move a fatal blow towards Zi Chen.

The long knife in Zi Chen's hand accelerated the degree of dancing, and each blow had a sharp effect, and one after another branches were cut off, but these branches seemed to be inexhaustible, almost silent.

"Poof. ”

I don't know how long it took to kill, and when Zi Chen killed that there was not a single branch around, he directly stepped forward to cut off the big tree, and ninety percent of the power in his body had been consumed.

He managed to dig out a tree crystal from the heart of the tree, but the light of the tree crystal became dim.

"And so it was. Zi Chen sighed, he knew that he had gone deep to the limit, and if he went deeper, the harvest and the effort would be greatly inversely proportional.

The quality of this tree crystal is much higher than that of the spirit crystal, and it can also condense the fragments of life rules from it, but unfortunately Zi Chen's combat power is limited, and every time he waits for the tree crystal to almost run out of vitality before he can kill it, so that he only gets high-quality spirit crystals, and rarely can get life rules.

And every time Zichen kills a plant, it takes a lot of time and energy, and the gains really outweigh the losses.

So, Zi Chen decided to return, of course, on the way back, Zi Chen would also kill some tree pith and get some life fragments.

In the blink of an eye, half a year has passed since Danding was summoned, Zi Chen's strength has increased a little, and his comprehension of the rules of life has deepened a little, in addition, the biggest gain is the tens of thousands of spirit crystals on his body.

When he went out, Zi Chen suddenly heard loud shouts, and as he looked, he saw humans killing trees and searching for sap.

The opponent's strength is already in the middle of the sevenfold, and the shot is also clean, and it is the most energy-saving way to kill the trees, even if it is injured during the period, it must strive for the least consumption.

And every time he gets a piece of sap, the other party will gently pick it up and carefully collect it.

Zi Chen looked at the other party for a quarter of an hour, and in a quarter of an hour, Zi Chen saw the other party shoot three times and get three copies of the sap.

He still had less than one percent of his energy left, but Zi Chen didn't see him absorb even a drop of sap.

Soon, Zi Chen understood why.

The human city has fallen, and they can't get the supply of spirit crystals, so they can only find their own way, although there is also sap in other places, but the number is too small from the secluded forest.

So the forest is the best place.

Sure enough, there were several traces of human beings in Zichen next, and they all came for the sap.

Zi Chen shook his head and walked towards the outside world, his next direction would be the Death Desert.

As for the lives and deaths of these people...... Zi Chen's heart suddenly moved, and he felt that since he had the ability, he should do something at such a moment.

These people can still survive now, they are undoubtedly real powerhouses, and the purpose of their coming to the Peerless Battlefield is to experience and enhance themselves, which is different from those scum.

After a slight groan, an idea appeared from the bottom of Zi Chen's heart.

So, Zi Chen took out three weapons again and walked towards the outside world.

If you want to help others, you must have the strength to help others, otherwise you will die in vain.

Zi Chen's body released a powerful evil aura, showing a straight momentum and walking towards the outside world.

During this period, not only those trees were alarmed, but also some strong people who carefully collected the sap.

"Hmmm. ”

Dozens of trees attacked Zi Chen, all kinds of branches roared, Zi Chen's long knife came out of the sheath, and the three blades scattered in all directions, cutting off those branches and cutting off those neighboring trees.

In the blink of an eye, Zi Chen got more than a dozen copies of the marrow.

In the distance, when some human monks saw this scene, their pupils couldn't help but shrink, this move seemed ferocious, but the consumption was not small, in the eyes of everyone, it was Zi Chen's loss.

It has been too long since the fall of the human city, and the alien hearts on everyone's bodies are pure ornaments, but every drop of the marrow has become a treasure.

Compared to Zi Chen's recklessness, they were more careful in their strikes, because the weapons would be damaged and their energy would be consumed.

Zi Chen, who was moving forward, had no scruples, and directly took out a spirit crystal and began to absorb it.

And when everyone saw the spirit crystal in Zi Chen's hand, their eyes widened, of course, there was no shortage of people's eyes that fell on the storage bag on Zi Chen's body.

Perhaps, there are more spirit crystals in the storage bag.

Such a wanton revelation of wealth, a sense of murderous intent, echoed in the secluded forest.

The other humans who were still hunting trees had their eyes on Zi Chen, and began to follow Zi Chen from a distance, towards the outside of the secluded forest.

Zi Chen didn't seem to notice any of the killing intent around him, and walked straight towards the outside world, slashing at what was in his way.

By the time he walked to the outside world, Zi Chen had already consumed a full five spirit crystals, and five spirit crystals on weekdays might not be anything to everyone, but at this time, five spirit crystals were enough to make everyone desperate.

In their eyes, a human who consumed five spirit crystals but obtained less than four hundred sap would undoubtedly lose a lot, but on the other hand, this human must have countless spirit crystals.

Finally, Zi Chen walked out of the secluded forest and walked towards an open field.

At the same time, some humans came out of the secluded forest, and the number was no less than ten, most of them were in the middle of the sevenfold period, the rest were in the late sevenfold stage, and there was none in the early stage.

After coming out, Zi Chen took out a piece of animal skin, wrote two words on it, and then wore it with a spear and hung it there.

In the distance, everyone saw two words on the hide.

"Deal. ”

When everyone saw those two words, their faces immediately showed confusion, and then they slowly approached.

Although the human beings in front of them have the strength of the sevenfold early stage, the energy in the opponent's body is tenfold, but the energy in their body is only twofold at most.

Zi Chen stood there quietly with a dragon thorn on his back and a long knife at his waist, without any defensive movements.

The monks finally came closer, and when they saw what was on the ground in front of the humans, their pupils shrank again.

The spirit crystals, which were placed in the form of spirit crystals, were more than a hundred in number.

For a while, the bright spirit crystals became all in everyone's eyes, their breathing gradually became rapid, the reason in their eyes was about to dissipate, and a thick greed emerged from the bottom of their eyes.

"Poof. ”

At this moment, a crisp unsheath sound sounded, and three shining sword lights appeared.

A chill rose in everyone's hearts, their faces changed greatly, and they swept straight to the rear.

The sword light almost swept down everyone's foreheads, and the long-lost feeling of death made their hearts tremble, and the reason they were about to lose returned again, and the greed in their eyes also turned into a thick jealousy.

Looking at Zi Chen again, in addition to jealousy, there was also a deep incomprehension in their eyes.

Zi Chen put the knife back into the sheath, there was a smile on his face, his eyes swept over a dozen people, he was very satisfied with Liwei just now, and then introduced directly: "Everyone, introduce yourself, my name is Zi Chen, I am from Shuntianfu, I am a ...... Alchemist. ”

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