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At this time, Yuan Fei's shock was really hard to describe in words.

He only felt a magical power spreading from his spiritual thoughts.

However, what made him feel incredible was that after entering his body, this force turned into sword energy in an instant.

Moreover, it is not ordinary sword energy, it is just like the sword energy he has worked hard to temper for countless years. In other words, these energy is his sword energy.

At this time, he finally understood what Xu Yi said just now.

Don't be surprised, don't attack him!

Junior Brother Xu, what are you doing? If it weren't for the explanation in advance... No, even if there was an explanation in advance, he was extremely surprised.

I even really have the urge to slash my sword.

Anyone will have violent thoughts when encountering something that they cannot imagine or accept. However, some people can control their emotions, while others are powerless.

Fortunately, Yuan Fei is tough and has a clear sword heart, which makes him know that Xu Yi has no malice, so he doesn't move at all.

In just a moment, he could feel that the power in his body was increasing at a speed visible to the naked eye. Moreover, when the sword energy was strong to a certain extent, the power of the domain in his body began to move.

Xu Yi's eyebrows raised slightly and he continued to invest new medicinal materials. At this time, his spiritual power was connected with the spirit of the heavenly weapon and Yuan Fei's spiritual power.

However, the three are dominated by him, so the power of the spiritual medicine is transmitted in this way.

After this attempt, Xu Yi was finally sure that with the assistance of ancient alchemy and the heavenly weapon spirit, the energy that the spiritual medicine overflowed was actually not limited to true qi.

Whether it is sword energy, spiritual power, or even demonic energy, it is actually energy in the final analysis.

The law of conservation of energy seems to have a new youth at this moment.

The energy of the elixir can be converted into power of any attribute.

In other words, as long as he is willing, he can improve his strength for everyone in this way. Of course, Xu Yi will not do this, and not everyone will be open-minded and let him let him do it.

Suddenly, Xu Yi exclaimed lightly, his movements slightly stopped and looked at Yuan Fei.

What is Senior Brother Yuan doing? How did he start to inspire the power of the domain?

At this time, their spiritual thoughts were connected, so Xu Yi understood the next moment.

Sword cultivators, unlike ordinary cultivators, do not cultivate true qi, but only sword qi.

After being promoted to the Earth-level powerhouse, the sword energy of the sword cultivator is actually stored in their sword energy domain.

The biggest difference between sword energy and ordinary true energy is that sword energy is the sharpest and most powerful force in the world. Especially the sword energy of the earth-level strong man, because it comes with the power of the domain, it is increasingly beyond the body's ability to bear.

Taking Yuan Fei as an example, he did not retain much sword energy in his body, otherwise his body would be pricked with holes first.

Xu Yi added sword energy to him, that would be a good intention. But if he did not open the domain and released the excess sword energy, it would be a fatal matter for Yuan Fei.

Xu Yi secretly cried out ashamed. These principles are not actually secrets. You can know as long as you care a little about sword cultivators.

However, Zhang Pengjing was strictly guarding the sword cultivator's lineage, for fear that those guys who were dancing swords would hook up Xu Yi, the disciple, so he did not mention all the knowledge of sword cultivators, and even did not allow Xu Yi to learn more about it.

Fortunately, Senior Brother Yuanfei is smart and knows how to adapt. Otherwise, he would have to do something bad with kindness.

Xu Yi breathed a sigh of relief and continued to transport energy. After a moment, he couldn't help looking at Yuan Fei again. Because of the joy of connecting spiritual powers, Xu Yi also observed Yuan Fei's sword energy domain at this moment.

Oh my God, this field is a sword, but it is a sword that can change in all kinds of ways. Now, as a large amount of energy enters the sword energy field, this field is actually slowly expanding bit by bit.

Xu Yi and Yuan Fei both discovered this matter in an instant, and their expressions changed slightly.

The domain is something that the earth-level strong people practice, but the cultivation domain will definitely be a long process.

It is something that all practitioners dream of to continuously expand their fields.

However, the field cannot be expanded casually. How much you can understand and master the power you can achieve, the field can expand to a wide range.

Generally speaking, a strong man who has just entered the Earth level can only have a domain range of more than ten meters or even dozens of meters.

Then, as your cultivation level improves, your understanding of the power of the domain will continue to increase.

For example, Zhang Pengjing, Yuan Fei and others, their fields have reached the limit of 99 meters.

Ninety-nine meters don't sound long, but on Blue Star, the world record of 100 meters takes more than nine seconds.

So, this distance is definitely not short.

And the extent of each person's domain is actually a secret, and even the closest person will not tell him. However, now Xu Yi can know that Yuan Fei's domain is about 35 meters.

A newly promoted earth-level swordsman actually has a 35-meter-long field. Such talent and potential are definitely second to none. No wonder he dared to boast that day that he could defeat Zhong Tian.

At this time, the area as high as 35 meters was spreading outward at an extremely slow but extremely firm speed.

Little by little, expanding in a nearly inch of progress.

Yuan Fei's body trembled for a moment, and his mind was shocked, and he could hardly bear the connection between Xu Yi's spiritual power.

This power can even expand the field? This is so exciting...

How to expand your own field is definitely the most troublesome thing for all earth-level strongmen.

Because this involves one's own understanding of the power of the domain, there is also a lot of water grinding time.

It can be said that every time the field expands by one meter, it is a huge progress for the earth-level powerhouse himself.

However, with the advancement of the power of the pill, Yuan Fei's domain has expanded by nearly one-third of the meter little by little, and more importantly, this expansion seems to show no sign of stopping.

Xu Yi was also shocked, but his movements were not slow at all.

Qi Dan!

With his light shout, the alchemy furnace was unveiled, and 12 top-grade land-piercing pills were fully presented.

As the last wisp of medicine dissipated, the spiritual power between the three also broke down.

Yuan Fei sat in place in a daze, and suddenly jumped up after a while. He stepped in front of Xu Yi, stretched out his hands and grabbed Xu Yi's arm firmly.

"Junior brother..."

"What are you doing?" Xu Yi was shocked by his burning eyes. His eyes were really scared of people.

"We, keep going!"
Chapter completed!