After adding level 5 life source, people who use this medicine will be able to sense the existence of life source in advance. Even if it is just a trace, the benefits to this creature are unimaginable.

The bottleneck from level 4 to level 5 lies in the origin of life, so level 4 to level 5 is a qualitative leap. It can be said that if the tortoise is not limited, not to mention Ouyang Feng, even hundreds of level 4 creatures can't cause fatal damage to the tortoise.

Ouyang Feng picked up a big bargain this time, but is it really cheap?

After Duan Lei's evolution potion was synthesized, Ouyang Feng directly asked Tianqi to continue to synthesize a second-order evolution potion for his own use. What he added was the ice system alien energy, because Ouyang Feng didn't have a special need for defense considering that he had Tianqi's treatment.

On the contrary, the ice arrow shot by the tortoise made Ouyang Feng yearn for it. Moreover, Ouyang Feng still had some expectations for this skill, that is, he didn't know whether this steerable ability would be copied to himself.

Of course, Ouyang Feng's second-order evolution potion has also added the origin of life, but the amount added is the same as Duan Lei's, because the origin of life is limited, so only 23 copies are used in this way, and two copies were given to Qiu Jian and Xiao Yun before.

Zhao Tiehan's share was crushed because he was a little out of control at that time. He thought it was wasted. As a result, the Apocalypse absorbed all the life energy and the source of life when the potion dripped.

So now after Ouyang Feng uses one more, there are only 19 life sources. Ouyang Feng can actually use all the 19 life sources, but it doesn't make much sense, because no matter how strong he is, how much effect can he play?

So Ouyang Feng gave himself the same share. This time he got the source of life. Next time he got it, he didn't know when. So Ouyang Feng must use all the rest of the source of life to the people he trusted.

Raise your hand and look at the evolution potion in your hand. The evolution potion with alien life energy is slightly different from the ordinary one. Duan Lei's golden liquid of this evolution potion has a little bit of lightning flashing in the liquid, which looks very beautiful.

After a curious look, Ouyang Feng waves his hand and throws the evolutionary medicine at Duan Lei: "yours! Go in and drink it. "

"Evolutionary medicine?" Duan Lei catches the small bottle and takes a look at it. He also finds the tiny flash of lightning in the potion.

"Yes! After drinking it, when you wake up, you're an evolutionist Ouyang Feng definitely nodded.

Unexpectedly, Duan Lei didn't get up immediately, but frowned and looked at the small bottle: "how is this thing refined?"

"It's very simple! Accumulate the fortified liquid in the Zombie's head, and then pour it into the mouth when it comes to a certain amount, just like gargling, Urum Urum Urum, just mix it, and then put it in a bottle. " Ouyang Feng said casually.

"Shit! Do you have to be so disgusting? " Duan Lei frowned. Of course, he knew Ouyang Feng was talking nonsense, but he still stared at the fortifier for a while, sighed, and threw the vial back.

Ouyang Feng catches it and looks at Duan Lei in surprise, but he doesn't say anything. He knows Duan Lei will give him a good explanation.

"I can't use this now." Duan Lei looked at Ouyang Feng and said seriously: "the base has just started to build. There are too many things. I can't lie down and accept evolution at this time."

"And I'm all in the base now, and I don't go out. There's no problem with safety for the time being. I'd better wait for this. At least after the base is a little stable, I'm using this thing. Let's give it to others first?"

"Tang Haotian can't give it at first, and he can't sleep now. It's better for your girlfriend to be here for a while, at least let her be familiar with it for two days, and you can do it for others."

"And! Shen Jie first gives her a strengthening potion, otherwise she is an ordinary person and can't hold on. She has a lot of things to do now, but if you want to give her two, she will definitely give it to Niu Niu. "

"It's fused with your blood. It doesn't work well when others use it. You put it first and use it when you think you can." Ouyang Feng thinks that Duan Lei's words are reasonable. At least now Duan Lei's head will be big if he falls asleep.

So he nodded and threw the evolution potion to Duan Lei. Unexpectedly, Duan Lei still shook his head: "no! Let it go to you. Let it go to me. It may be troublesome if you lose it

Duan Lei has seen the evolutionary potion Liu Qiang used at that time, so he knows that the evolutionary potion ouyangfeng gave him should not be an ordinary evolutionary potion, and he also sees that ouyangfeng seems to have a place to hide things.

Because the evolutionary potion suddenly appeared in his hand, he didn't think that Ouyang Feng could learn some magic after going to the Green Island camp. Moreover, Ouyang Feng had done something similar before. No one noticed that Duan Lei didn't know, but at least Duan Lei was willing to guess.It's just that since Ouyang Feng didn't say it, he didn't ask.

After thinking about it, Ouyang Feng had to nod. Then he put away the evolution potion directly, and looked at Duan Lei and nodded: "Hmm! I have a space where I can put some things. Other people can't open it except me. Have you read novels before? It's like the space ring.

"How old?" Duan Lei's eyes brightened.

"A thousand cubic meters!" Ouyang Feng's reply made Duan Lei even more excited. He stood up directly:

"ha! Good! It's not bad for food, is it? "

Ouyang Feng nodded: "Well! There is no concept of time in it, of course not. "

"Good! This is the best way Duan Lei looked up and thought: "with it, our integral system will be easier to start to promote."

"Ah?" Ouyang Feng is stunned! Then he asked, "I said How big is your brain hole? How can we talk about space and you can talk about the integral system? "

"It's not that I'm big, it's that you're small." Duan Lei looked at Ou Yangfeng with disdain:

"now there are not too many zombies on the side of Heilong bridge, so it's not so easy for you to collect fortified liquid, but there should be a lot of mutant animals, right? The sea beyond Jiangwan Town and the mountains surrounding the whole area of Heilong city. "

"Your fortified liquid is used to stabilize the integral system, so its price should not be too low, and its effect is equivalent to the effect of gold on the financial system before the end of the world."

"But the meat of the mutant beast is different. It can also strengthen the body of ordinary people. We can let those people exchange points for the meat of the mutant beast. Anyway, the integral system has not started yet. The more things they can exchange, the better."

After hearing this, Ouyang Feng shook his head helplessly:

"OK! whatever! Anyway, I'm not worried about this. In addition, I can tell you now that the maximum amount of fortified liquid I can take out is about 10000. You can set the price by yourself. Anyway, I can't guarantee if there are more

Just now, I have asked the apocalypse. One Apocalypse point is used to synthesize an enhancer. Now I have more than 18000 Apocalypse points. I will take 10000 points to support the integral system, and the rest will be reserved. In addition, the Apocalypse point is needed to synthesize the evolutionary medicine. One Apocalypse point needs 50 Apocalypse points.

So although it seems that Apocalypse has a lot of points, it's still not enough once you let it go. Especially when Ouyang Feng asked Apocalypse to synthesize a second-order evolution potion, apocalypse told him that a second-order evolution potion needs 500 Apocalypse points, which is ten times more expensive than the first-order one.

It seems that to enhance the strength or to desperately earn Apocalypse point ah! Otherwise, nothing is enough. Ouyang Feng is a little depressed.

"Ten thousand!" Duan Lei thought for a moment: "enough! It's just that you need your enhanced potion support in the early stage of the starting of the scoring system, because we have nothing else to exchange for you, and it's mainly for the guardians who go out to search for materials. "

"Yes! Anyway, it's good for you to worry about it. I'm only in charge of the search and rescue outside. Besides, I'm looking for mutants or something. " Ouyang Feng leisurely leaning on the sofa, looking at the ceiling said.

"You're a thorough shopkeeper." Duan Lei mercilessly attacks Ouyang Feng.

"I don't want to be a shopkeeper, but you pushed it up, OK?" Ouyang Feng felt wronged.

"We have to do this. Although we don't make a speech, the power to make decisions must be on our side." Duan Lei said seriously: "I absolutely don't want to see a large group of people quarreling for a long time over something, but in the end, no one is willing to give up their own interests."

"Stop! Don't talk about this! Tell me if you have found any talents in the base? " Ouyang Feng quickly changes the topic. He thinks that once he talks about this with Duan Lei, he may not be able to finish more than ten chapters, and then all the readers will be gone. "

"A few! I have all stayed, and several departments will be set up soon. Two of them, I think, can be of great use. They are botanists. Before the end of the world, they specialized in plants, and after the end of the world, they have never been hungry as ordinary people. "

"Because they can distinguish what plants can eat and what plants can't eat. It's only by relying on those plants that they have been able to survive until now. I promise them to provide them with strengthening agents, so that they can go out with the search team, find some plants and come back to see if they can cultivate them by themselves."

"In addition, I have asked people to find some places in Ganlin county that can be used for planting, such as wheat. I have also collected some seeds of these crops, and I have also recruited a group of people who can cultivate in the base to prepare to start planting crops."

"Only in this way can we completely get rid of the food problem. By the way, the motorcade that will go with you tomorrow may be a little larger, because I will send people to go with you, and pull back the corpses of the zombies to serve as fertilizer first..."

"Stop!" Ouyang Feng patted his heart: "what you said is more disgusting than what I just gargled. Do you know?"

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