Based on his understanding of undead creatures, Zhang Qifan made a lot of targeted arrangements to ensure that no species like the undead black warriors and those who are good at stealth sneak in.

At the same time, he also brought back a large area of ​​Xilan on some meteorites.

A small handful of Xilan was placed on the experimental bench, and Antonio leaned on it and observed carefully, sniffing from time to time, as if he liked the smell on Xilan.

"What does this smell? Why is it so good?" Antonio asked strangely.

"The breath of soul." Zhang Qifan said.

The breath of soul? Antonio opened various detectors while thinking about the meaning of these words.

After a while, Antonio screamed in surprise: "This thing has a strong reaction to ultraviolet rays."

I saw that under the ultraviolet rays, the black soil was like coal slime, and the black surface was slowly receding, revealing the original color of the soil.

The soil fell off the meteorite body and its original color was grayish-white.

After the black of the Xilan faded, the fine particles that were originally like sand and gravel turned into powder after gently rubbing them with your fingers.

I don’t know if it is because the black layer erodes the sand and gravel into powder, or if it is it that polymerizes the powder into sand and gravel.

Antonio was so excited that he could react. If he had a reaction, he could infer a lot of things from these reactions.

"What does this thing do? What results do you want me to get from it?" Antonio asked.

Zhang Qifan collected so much Xilan in a serious manner and handed it over to him. He must know the role of these Xilans.

Antonio needs a research direction, otherwise it would be in vain if something that was easy to study was inconsistent with what Zhang Qifan needed.

Zhang Qifan said: "The breath of death can be absorbed by undead creatures, and it is contained in the soil. Can you try to figure out its ingredients and whether it can be artificially synthesized?"

Zhang Qifan doesn't need soul energy now. He has a headache just by restoring his strength. But Antonio, Felor and others need it. Their souls are still very weak.

There are many ways to enhance the soul. Sleeping and devouring are the two most commonly used by undead creatures. However, it takes a long time to sleep and devouring requires a large amount of souls. Zhang Qifan does not have these two things.

If the death energy in Xilan can be extracted and absorbed by a method similar to devouring, it will not take a long time and a large amount of souls.

After listening to Zhang Qifan's words, Antonio blinked, and a look of excitement and excitement suddenly appeared on his face: "Good idea. Are you saying that we can also improve our souls and then do the same deviant movements as you?"

Zhang Qifan nodded. The soul is the basis of an immortal creature. If you want to achieve his strength, the strength of the soul is necessary.

"Okay. Leave it to me and see mine." Antonio instantly ignited 120,000 enthusiasm and roared with fighting spirit.

...

After explaining the research task, Zhang Qifan drove the God of Hell, Schneider drove Houyi. Two plus armors, one in front and one behind, and under the guidance of the streaming light, he quickly walked through the floating wreckage.

Houyi's body was a circle larger than before, and a silver-white luster flowed on the surface, moist and moist. From the silver-white shell, Luo Xiu's excited mental fluctuations kept coming.

Having absorbed a large amount of liquid metal, Luo Xiu is no longer a metal villain, but a huge mass, larger than a god-level armor that is more than 20 meters tall.

Because the strength of the liquid metal and the fact that Luo Xiu's soul is too weak.

The huge Luo Xiu is now difficult to move alone. It squats on the ground and can simulate Lishen to life, but it will fall apart as soon as it stands up.

Houyi has no energy shield and cannot withstand the soul attack of the undead creatures. Schneider, who is driving Houyi, has a weak soul and cannot withstand a soul impact from a streamer of light with a strength of only 800 points.

In this way, the waste was used to allow Luo Xiu to cover Houyi's body and help it resist the impact of souls. Luo Xiu was also excited because of the rare opportunity to let the air.

The place they were heading at this moment was the territory of another nearby lord.

According to Liuguang's memory, this lord was a dead soul, much longer than Liuguang's existence. He had left the territory and traveled to many places.

Naturally, I know more about the world.

As soon as he entered the territory of the undead lord, Zhang Qifan keenly felt some gaze coming from the floating pile of wreckage.

Looking up, from time to time, one or two skeletons and corpse witches were protruding from the pile of wreckage, observing Zhang Qifan and his party. Their eyes were more focused on the two armors of Lishen and Houyi, and they just swept the streaming light and did not pay much attention.

This territory and the territory of Liuguang are simply two completely different worlds. The territory of Liuguang is an unguarded world, but it is like a heavily guarded fortress.

In the territory of Liuguang, except for the bone horse, the other undead creatures are actually free. In other words, they have no connection with Liuguang at all at the soul level.

I don’t know if Liu Guang was born too short and didn’t know how to establish his own rule, or because he was like this, he disdained to rule other undead creatures.

But this territory is completely different. In Zhang Qifan's eyes, this territory is a common example of immortal creatures. All the undead creatures in the territory are the people of the lord. Whenever there is any movement, the lord will master it as soon as possible.

The sound of streaming light sounded in Zhang Qifan's heart: "Dalard is a very terrible undead. He killed all the free souls in his territory, and then replaced them with his separated soul fire. All the creatures here are his slaves."

"Kill?" Zhang Qifan asked: "Why do you need to kill? Can't you use your soul oath?"

Killing the undead creatures, devouring the other party's soul, and then using these soul energy to recreate the soul fire is certainly a method, but it is a huge waste.

The devouring process will cause waste, and the newly created soul fire also requires a lot of energy and time to grow.

Moreover, this method has a bigger flaw. Even a very mature undead creature like Liuguang can only harvest energy after being killed, and its memory and knowledge are all cleared.

Using this method, even if the undead creatures in the entire territory are converted into their own subordinates, they will only get a group of the weakest undead creatures, and they still need to be cultivated from scratch.

There is no convenient way for the soul to vow to turn a mature undead creature into its own people.

Liuguang hesitated for a while, and then hesitated for a while: "Master, I have never heard of any information about the soul vows."
Chapter completed!