After the two of them had finished arguing, they started to get down to business.

Just as Gao Han said, blue-skinned trees grow in groups, not scattered here and there.

However, this thing is not so easy to recognize. The appearance of the blue-skinned tree is not as simple as the name suggests.

This kind of tree is actually very common, so common that it may not be easy to find in a short time even if it is placed in a forest of thousands of trees.

However, although the blue-skinned tree looks ordinary, it can be identified by cutting the bark.

Because the sap of the bluebark tree is blue and the inner bark is also light blue, it is named bluebark tree.

The mutant creatures probably also know the importance of the blue-skinned tree to humans.

Gao Han and Zhongli Tingzhou sneaked into the peregrine falcon's territory and found that there were more and more patrol teams.

Every few dozen breaths, a patrol team would fly across the sky.

However, compared to the sparse trees outside, the trees here are becoming more and more dense.

After all, it is within their own territory, and ordinary spirit refiners dare not go so deep.

"It is indeed a blue-skinned tree." Gao Han cut off a piece of bark with a knife, and a trace of light blue juice immediately flowed out.

Zhongli Tingzhou looked up at the sky. "These mutant purple locusts patrol too frequently. I'm afraid we'll be discovered if we cut down one of them."

Once their purpose is discovered, next time Peregrine Falcon will definitely send his men to closely guard all the blue-skinned trees. If they want to come in and dig out the tree heart again, they must be determined to fight against the mutant creatures in the entire mountain area.

Operating at night is not much better than operating during the day, and the peregrine falcons are much more strict in their supervision of the blue-skinned trees.

"Are these blue-skinned trees also useful against mutant creatures?" Zhongli Tingzhou asked.

Gao Han explained: "The blue-skinned tree bears fruit once a year. The fruit tastes very sour and astringent. Humans don't like it, but mutants seem to like it very much."

It is not time to bear fruit yet, but the peregrine falcon knows that humans are looking for the blue-skinned tree.

"I have a solution." Zhongli Tingzhou said with a smile on his face.

Gao Han asked curiously, "What method?"

Zhongli Tingzhou said, "I will lead the mutants away. You can take this opportunity to chop down a few more blue-skinned trees. Together, we can chop down all the blue-skinned trees that are over 500 years old."

Gao Han glanced at the blue-skinned trees around him. Almost every one of them was over five hundred years old, so there were quite a lot of them.

"Let's not talk about whether this peregrine falcon is smart or not. When will it realize that this is a strategy to lure the tiger away from the mountain? The peregrine falcon has the strength of level 14. If I really want to chop down all these trees, you will have to hold on for at least an hour."

It is impossible to cut down trees without making any noise. If you try to make as little noise as possible, your efficiency will decrease.

"I, your man, can even withstand a level 15 mutant creature. You are only level 14. Don't you believe in my ability?" Zhongli Tingzhou narrowed his eyes and stared at him, as if he would do something if he dared to say yes.

Gao Han has experienced his childishness countless times and really believes that he can do anything.

"I should remind you that you are facing not just one peregrine falcon, but thousands of its subordinates. However, if you insist on doing this, I can't stop you. However, I have a request."

"you say?"

"If you can't hold on any longer, just run at the speed you are good at. Don't confront them head-on. I don't need to dig so much here. Wait for the peregrine falcons to leave their nests and attack the city..." Gao Han suddenly paused.

Zhongli Tingzhou didn't say anything either.

Gao Han slapped his forehead, not knowing whether to laugh or cry, "Why didn't I think of it? There is a way that doesn't require any manpower, and it's right in front of me."

Zhongli Tingzhou still said: "That may not be the case. Once the siege begins, everything will be in chaos, unless we do not participate in the defense of the city."

Gao Han thought about it and it seemed like this, "Forget it then."

He still had to participate in the battle to defend the city.

“But…” Zhongli Tingzhou changed the subject and raised his eyebrows. “It’s not that there is no chance at all. We don’t need to do it ourselves. It may not be easy to find such a large area of ​​blue-skinned trees next time. Maybe we still have a chance to monopolize the market for top-level talismans.”

He also had the idea of ​​monopolizing the market, and he brought it up before Gao Han even said it.

"Then wait until the mutant creatures' siege begins?"

"No need to wait, get some first. Even if Peregrine Falcon has doubts, when the day of the siege comes, there will definitely not be too many men left in his territory."

As long as he didn't have to dig it all out, Gao Han wouldn't worry about his safety.

The two decided again to split up and resolve the matter before dawn.

After discussing the details of the plan, Zhongli Tingzhou left.

Gao Han stayed where he was, waiting for his signal.

He thought the signal given by Zhongli Tingzhou should be something like fireworks exploding in the sky, but he didn't expect it to be an earth-shaking movement.

The explosion came from the center of the mountain area, which is the real nest of the peregrine falcon.

A moment later, a high-pitched, sharp, and angry long cry was heard in the air.

A hurricane suddenly blew up.

Gao Han looked up and saw a huge shadow flying overhead. It was the peregrine falcon. The patrolling team also ran away.

Not knowing what Zhongli Tingzhou's current situation was, Gao Han took a deep breath, took out his long sword, and chopped it without hesitation. Several blade lights flew out and cut down several blue-skinned trees at the same time.

Gao Han collected these blue-skinned trees as he walked around.

The storage space on Earth is not very large. A blue-skinned tree that is more than 500 years old, at least a dozen meters tall, cannot be put in there at all and can only be stored in the Yayoi Ring.

The grids of the Yayoi Ring have a stacking effect. One grid can hold one item, with no limit on quantity.

Under the cover of the fighting power of Zhongli Tingzhou and Peregrine Falcon, almost no mutant creatures noticed that there was a thief cutting down the blue-skinned tree.

The further he went inside, the older the blue-skinned trees became, confirming his guess.

Later on, there were blue-skinned trees that were over a thousand years old.

Gao Han cut down a few more trees. Suddenly, a long whistle came from the sky. He picked up a few blue-skinned trees and retreated quickly without any more lingering.

…

A hint of paleness appeared on the horizon, and the dangerous and mysterious disaster area gradually recovered.

At the foot of the mountain, in a dense bush, Gao Han and Zhongli Tingzhou squatted and counted their spoils.

"I didn't move any blue-skinned trees that were less than 500 years old. There were 189 trees that were 500 years old, 102 trees that were 600 to 900 years old, and 25 trees that were 1,000 years old."

"So few? I think there are at least several thousand trees in that blue-skinned forest that are more than five hundred years old." Zhongli Tingzhou was somewhat dissatisfied with the data.

Gao Han was unmoved. "I deliberately didn't cut too many trees. If I had cut too much, they would have been discovered immediately. We are playing the long game. Next time, the entire blueskin forest will be ours."

Zhongli Tingzhou liked this statement very much, "Next time I will let someone from the Zhongli family come."

"My great grandfather and aunt have many talisman masters under them, so we can ask them to dig some."

"Okay." Zhongli Tingzhou said reluctantly. He already regarded the blue-skinned trees as his own property.

As for how angry the peregrine falcon would be if it found that the number of blue-skinned trees it was guarding suddenly decreased, they did not consider it.

"By the way, this time the mutant creatures will attack the city, they will probably choose to act at night."

Zhongli Tingzhou raised his eyebrows, "Because of Peregrine's men?"

Gao Han thought he would ask why he was so perceptive. "Yes, I found that in addition to the purple locusts, Peregrine Falcon's subordinates also include poisonous wood butterflies and blood bats."

"If these three mutant creatures are taken individually, their strength may not be that great, but if they are in groups, their lethality is particularly great. They are easy to be discovered during the day, but if they act at night, the effect will be much more amazing."

At night, under the cover of darkness, even if humans discover their existence, the light is dim and they will always be missed.

"Not only that, the powder of the poisonous wood butterfly is poisonous. If you release it over human cities at night, it can knock down a large area of ​​them." Zhongli Tingzhou also said.

"That's right, so I guess the possibility that Peregrine Falcon ordered his men to act at night is at least 80%."

As for the blood bats, this mutant creature is naturally nocturnal, so it is more advantageous for them at night.

To confirm this speculation, they checked other higher mutant creatures that cooperated with the peregrine falcon.

It was discovered that among these advanced mutant creatures, only 40% were land creatures, and 60% were all flying creatures, which means that their main combat force should be flying mutant creatures.

The two immediately decided to return to City No. 1. On the way back, they unexpectedly encountered a group of acquaintances being attacked by a group of mutant creatures.

"Is that man your friend?" Zhongli Tingzhou stared at the student in front who was killing mutant creatures.

Gao Han followed his gaze and saw Su Zhouhe, and was slightly stunned.

I haven't seen you for almost a month, and Su Zhouhe's aura has changed a lot.

His usual temperament is actually quite gentle, and he lacks the impatience of a young man when speaking and doing things, but unexpectedly, he would be so brutal when killing mutant creatures.

He was carrying a big knife, with a murderous look between his brows. With every strike of the knife, the mutant creature was almost split in half.

Although he was cruel, people felt safe around him, so even though his classmates felt he was a different person, they still followed him closely.

"He is Su Zhouhe, what's wrong?" Gao Han asked.

Zhongli Tingzhou had already retracted his gaze and said calmly, "The technique he practices is a bit strange. Every time he kills a mutant creature, the evil spirit on his body seems to become stronger."

He is a dark vein spirit and is most familiar with and sensitive to this kind of evil spirit.

"He has advanced through several realms in half a year. I don't think it can be an ordinary technique. I heard from Cai Xinghe that the technique he practiced seemed to be a family tradition."

Everyone has secrets, and Gao Han didn't ask too much about it.

But even if he asked, Cai Xinghe was not very clear.

"Let's not talk about this for now. They seem to be in trouble. No one else sees them. I'll go help them." Gao Han said and walked over.

The mutant creature in front of him was suddenly torn in half, and blood splattered all over Su Zhouhe, but he didn't feel dirty or disgusting. He was stunned for a moment before he saw Gao Han behind him, and immediately his face showed joy.

"Gao Han, why are you here?"

"Let's get rid of these mutant creatures first, then we'll talk." Gao Han turned sideways and slashed with his knife again.

A female classmate thought she would be seriously injured if not dead, and was cut in half by the mutant creature that rushed over.

"Okay." Su Zhouhe didn't waste any words. With Gao Han's joining, he felt much more relaxed.

They had been here for training for a month and had originally planned to leave after this training was over, but they did not expect to encounter this group of mutant creatures with relatively strong overall strength.

"Senior Zhongli!" Several classmates suddenly exclaimed.

Su Zhouhe turned around and saw that Zhongli Tingzhou had also joined the battle, and the situation instantly lost suspense.

Several mutant creatures exploded, blood splattered everywhere, and the other students quickly jumped away.

Wherever Gao Han is, there is Zhongli Tingzhou.

He didn't believe it before, but now he finally believes it.

A moment later, dozens of medium-sized mutant creatures were all dead, except for a few that escaped.

Everyone started to collect the spoils. Most of them were killed by Gao Han and Zhongli Tingzhou. However, neither of them had much interest in these medium-sized mutant creatures, so they were left alone.

"Why are you the only ones here?" Gao Han shook off the blood on the knife, put away the spiritual weapon, and walked in front of Su Zhouhe.

"Teacher Long asked the stronger students to lead their own training, and it was going smoothly. We didn't expect to encounter this group of mutant creatures. If it weren't for you, we would be in trouble." Su Zhouhe expressed his sincere gratitude, "Thanks to you."

Gao Han, who knew the truth, shook his head and said, "It's normal for you to encounter this. It's not just your bad luck. I guess other students leading the team have encountered this to some extent."

Hearing the hidden meaning in his words, Su Zhouhe was stunned for a moment, "What do you mean?"

Gao Han told him what he and Zhongli Tingzhou had discovered.

Before Su Zhouhe opened his mouth, the classmates who heard their conversation exclaimed.