Several beautiful images suddenly appeared in Zhang Feng's mind. He secretly glanced at Nora, and the other party happened to look at him. Zhang Feng avoided her gaze guiltily.

"Yes, the World Tree needs to replenish its energy."

The goblin Arwen nodded seriously.

"Then how do we replenish energy? Or in other words, what kind of energy does the World Tree need?"

Zhang Feng asked curiously.

"This requires your help. The World Tree needs the mysterious energy in you."

After hearing what Alwen said, Zhang Feng thought for a moment and knew that she was talking about the mysterious power.

Zhang looked at the yellow spots of light on the World Tree and couldn't help but say that nature was magical.

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"Then why should I help Yggdrasil?"

"But these giant trees cannot leave here, because these lands still have the energy left by the world tree. Without this energy, they will die quickly."

All Moon Shadow Elves are children of the World Tree. If you think about it this way, this World Tree is still very great. However, no matter how great it is, it is impossible for it to work in vain.

"magic."

"Can these giant trees attack the orc army entering the Sunset Mountains?"

"Can you let the World Tree go to Red Leaf City?"

Alwyn said eagerly.

Zhang Feng spoke generously.

After thinking for a long time, she found that she really couldn't protect Zhang Feng because her abilities were not meant for combat.

These spots of light will grow on the World Tree, each of which represents an elf, and each elf can give birth to a real Moon Shadow Elf.

"Then the reason why these giant beasts died was because..."

"Thank you Zhang Feng!"

He had originally thought that if these giant trees could intercept these orcs, it would buy him a lot of time, but he didn't expect that he was overthinking.

"That's definitely not possible. These aren't ancient war trees. They just have a very weak consciousness and can make certain movements, but that's all. It's impossible for them to attack others!"

However, this tree is different from the one we have seen before. Simply put, it is like the towering tree just now, scaled down in proportion.

This made Zhang Xiaotang next to him roll her eyes, but she definitely would not spoil the show. She could only silently despise Zhang Feng in her heart.

Nora had promised to protect him for five hundred years. Although five hundred years was a long time for Zhang Feng, who would refuse if it could be longer?

Zhang Feng thought of the corpses of giant beasts he saw on the road. He felt that the situation of the giant tree should be similar, so he asked curiously.

"Forget it. Since Ms. Nora and I are quite familiar with each other, I will help you with this."

Zhang Feng didn't look at the little goblin, as if he didn't care about her at all, but looked at Nora and spoke.

Zhang Feng was a little disappointed when he heard what Alwen said.

"Hmm? The giant tree helps? What does that mean?"

However, he did not argue with the other party. Since he had agreed, Zhang Feng would not regret it.

"Can."

Zhang Feng captured the key words.

This little girl is so stupid!

There are countless elves on this world tree. As long as they can all be cultivated into Moon Shadow Elves, Zhang Feng can form a terrifying elf army! Not to mention competing with the Sirius Empire, it should be no problem to protect himself!

“…”

After all, if the orcs got lost, or found that these giant trees were moving, it would be troublesome if they directly destroyed these giant trees.

If these giant trees can stop him, it will be a great help to him! However, Alvin looked at Zhang Feng as if he were a fool:

"You, you're not helping me, you're helping the World Tree!"

"Is it because the World Tree has lost too much energy that it has become so small?"

It is precisely because the intelligence of these giant trees is extremely simple, yet extremely firm, and because they are all trees, although the World Tree is weak, it has a huge impact on these ordinary trees, resulting in these filthy energies being unable to affect the nature of the giant trees, but instead making these giant trees obey the World Tree.

"Yes……"

"It's the giant trees here that can help. These giant trees have grown so big because of the energy of the World Tree. They can all obey the orders of the World Tree—"

"you?"

"What kind of movement do you mean by making a certain movement? Can you move it?"

"Yes, I can probably live for another three years..."

This blocking is not through attack, but through movement, by setting up a huge moving maze so that the orcs who enter the Sunset Mountains cannot find the way.

Before Zhang Feng could speak, Nora continued:

Zhang Feng spoke to Alwen.

If it can only move, it can also be useful! For example, set up a maze or a labyrinth? "What about the defense of these giant trees?"

Although three years is not a long time, for Zhang Feng, something is better than nothing.

If they lose their personal lives, the elves born on the World Tree can be regenerated into Moon Shadow Elves, but if the World Tree is gone, then their clan will lose their newborns. Even if the elves live for a long time, after a certain period of time, they are destined to disappear in the long river of history!

Now there is only one last question left. If the defense of these giant trees is very strong, they can be used, but if the defense is too weak, then they will be useless.

“You you you!”

How could a man with bruises all over his head protect Zhang Feng?

"Zhang Feng, please help Master World Tree. If Master World Tree is safe, I am willing to protect you and your descendants forever on behalf of the Moon Shadow Elves!"

Those giant beasts were different. They originally had strong intelligence. After being polluted, they gained powerful strength, but also became more brutal and murderous, completely unable to control themselves. In addition, they were animals, and the World Tree could not influence them too much. As a result, these giant beasts slowly lost their consciousness completely and turned into wild beasts that only knew how to kill.

The elf Alwen next to her seemed to finally understand something after hearing Nora's words. She quickly said:

"But as long as the World Tree recovers its strength, these giant trees can live for three hundred, three thousand, or even thirty thousand years, let alone three years!"

Zhang Feng looked at her in confusion.

If permanent protection is a relatively good condition, then this army of Moon Shadow Elves really makes Zhang Feng excited.

In fact, Zhang Feng is still very interested in the fairy tribe, but he certainly cannot show it at this time. He said that for Nora's sake, he can still do Nora a favor.

Seeing that the other party was speechless, Zhang Feng's expression remained unchanged, but he felt a little disappointed in his heart.

After arranging these things, it was already dark, and Zhang Feng decided to let World Tree go to Red Leaf City for treatment.

The Sunset Mountains are very dangerous now. The orc army may come here at any time, so it is obviously not suitable to be here.

Zhang Feng suddenly asked with some excitement.

"By the way, can you let the World Tree show its true form so I can see it?"

Although the Sunset Mountains look full of vitality now, there is almost no edible food. It is all contaminated. As long as you are trapped inside, even if there is no attack from the giant beast, you will starve to death if you cannot get out after a long time, especially since the orcs are so greedy.

The foul energy discharged by the World Tree was divided into two parts. One part was absorbed by the trees, which grew into giant trees that blocked out the sky and the sun. The other part was absorbed by the animals, which turned into brutal beasts.

Nora walked over excitedly. She gently placed her palm on the World Tree, as if she was communicating with it.

Alwin was immediately furious, but she really couldn't find any reason why Zhang Feng would help them.

At this time, Nora suddenly said:

Can move...

If other species obtain these two energies at the same time, they will become very powerful. However, if they only obtain the filthy energy, neither the giant trees nor the giant beasts will be able to withstand it and will die!

Alwen was still thinking about how to get Zhang Feng's help. When she heard Zhang Feng's words, she spoke subconsciously.

Facing Zhang Feng's distrustful look, Alwen blushed.

"You're welcome, we're all friends!"

Zhang Feng's question stunned Alwen.

Because he could absorb the mysterious crystal, Zhang Feng had a lot of mysterious power in his body. As long as he had enough mysterious crystals, he could be said to have unlimited mysterious power, but...

Zhang Feng fell into thought again, and then his eyes suddenly lit up.

"Because the side effects of these filthy energies are huge, the reason why the giant beasts are alive is that in addition to eliminating the filthy energy, the World Tree also eliminates a part of its own energy. The giant beasts rely on absorbing these two energies to maintain balance. Although their consciousness is polluted, their bodies are fine. Now that the World Tree has no energy, the filthy energy has no constraints and destroys them in their bodies, so they died."

These words made Zhang Feng's eyes light up.

The little goblin thought for a moment and said.

The little fairy seemed to realize that Zhang Feng seemed to need these giant trees, so she quickly said:

"So, these giant trees won't live much longer?"

Arwen glared fiercely, and then saw the towering tree in front of him began to shrink instantly, and slowly turned into a tree more than three meters high.

Alwyn explained again.

"Why should I help you?"

"Three years, that's enough!"

Looking at Nora's serious face, Zhang Feng felt a little moved.

Zhang Feng suddenly asked.

"Wait, you said the giant trees here can obey the orders of the World Tree?"

Zhang Feng didn't believe that the World Tree could really use the energy to allow other trees to live for 30,000 years so casually.

Zhang Feng was looking forward to what the little goblin would come up with in exchange. As long as there was enough benefit, it would be okay for Zhang Feng to waste some extremely precious mysterious power. However, the little goblin thought about it for a long time and still could not find a reason for Zhang Feng to agree to save the World Tree.

This made the little goblin a little frustrated. She didn't understand what was wrong. She saw that Zhang Feng was very willing to help the ancient war tree at the beginning. Why was Zhang Feng unwilling to help her?

There are some flying yellow spots on the leaves, and some toy-like palaces on the roots. Although the World Tree is not big in size, it still has an ancient and desolate atmosphere.

He was a little hesitant at first, but he made up his mind in an instant.

Zhang Feng understood. To put it simply, although the World Tree only wanted to expel the dirty energy, it also expelled its own energy in the process.

Zhang Feng was suddenly stunned.

Sure enough, when Nora heard Zhang Feng agree to help, she cried with joy.

Because there is still residual energy of the World Tree itself deep underground, as long as the giant tree stays in the Sunset Mountains, it can absorb it and ensure its own immortality. But it is different for the giant beasts, they cannot absorb the energy from deep underground, so they will die.

Alvin did not hide anything and spoke directly:

Zhang spoke again.

Before supplying energy to the World Tree, Zhang Feng asked Alwen to pass through the World Tree first and give orders to these giant trees - to prevent the arrival of orcs from the other side!

"I am willing to protect you too!"

Zhang Feng asked again.

Arwen felt aggrieved when she saw that she was ignored, but she was also very happy that Zhang Feng agreed to rescue the World Tree. She felt complicated for a moment.

"Yes."

Zhang Feng asked Alwen.

The others also walked forward and looked curiously at this world tree, the tree of life, which is more important than life to the Moon Shadow Elves.

Alwyn replied.

"But why not rescue here? There are these giant trees here to help..."

“I, I…”

The giant trees originally had no consciousness, but because the World Tree took root here, over time, they also developed some simple intelligence because of the World Tree and regarded the World Tree as their mother.

"The defense must be very good! These giant trees have absorbed the filthy energy discharged by the World Tree and have mutated. They have become extremely tough and ordinary orcs can't destroy them at all!"

Wow, everyone knows how to fool people!

Zhang Feng had a deep understanding of the power of orcs, but elves were even stronger than orcs! Although he didn't know whether these new elves had the fighting power of old elves like Nora, it would be fine as long as they were about the same as orcs!

Nora next to her seemed to be hesitant to speak and could only sigh silently in her heart. She had no right to make demands on others.

“Yes, but not fast.”

The Sunset Mountains felt eerie, making Zhang Feng feel uncomfortable.

The World Tree cannot speak or express consciousness, but with the little fairies around, communication is easy.

Just like the ancient war tree, this small world tree rose from the ground, and then walked into the Red Leaf Steam No. 4 together with the little goblin less than one meter tall.

Boom~ Everyone set off to go home.

This trip to the Sunset Mountains can be considered a great gain for Zhang Feng.