Along the corridor, Li Yuanhong is taken to a hall. There is a reception desk in the front of the hall. Now there is no one in the reception desk. Behind the reception desk, there is another metal door. This metal door has the style of science fiction, and the door seems to be coated with a layer of halo. Xiao Yiling pointed to the reception desk and said, "don't look down on this reception desk. There are two levels of defense magic array inside. Every half an hour, level 10 zombies can't break the magic defense. Moreover, there are attack magic hidden in the four walls. Once anyone wants to make trouble here, he will be blown to pieces in minutes."

"Damn it, it's so powerful and there's such a good magic array. Why don't you reward me? I've been fighting with zombies for so long, and I've lost so many people!" Li Yuanhong complained.

"Here you are, you can't use it. The magic array is not something you can use according to the painting. Without the corresponding magic ability, the magic array drawn out is nothing at all. You'd better improve your magic ability now. Don't cast half way and faint again Xiao Yiling irritates Li Yuanhong with the fact that he nearly faints by casting a spell, which makes Li Yuanhong blush with shame.

"Oh, isn't it an accident?" Li Yuanhong said embarrassed.

"I don't want to talk about you here. Just your mana. If you use a little more powerful magic, you will consume your mana. You still have time to practice more magic!" Xiao Yiling taught Li Yuanhong a lesson that he hated iron but not steel.

Li Yuanhong quickly nodded and said yes, and finally passed the test.

Then Xiao Yiling led Li Yuanhong through a sci-fi metal door and came to a room with ten pots. Then he said to Li Yuanhong, "this is a soldier training room. Here, we can train spearmen. As long as we have enough energy and materials, we can manufacture guns without restriction." Xiao Yiling said with pride.

"Can I ask, how much material is needed to produce a soldier? And how much time will it take? " Li Yuanhong always felt that there was a pit waiting for him.

"It's not much. Each soldier needs 100 points of energy and 150 kilograms of nutrient solution! Every soldier needs five days to make it. Isn't it fast? " Xiao Yiling said with ease.

Li Yuanhong asked again, "what is the nutrient solution?"

"Nutrient solution contains necessary nutrients for human body. Only through nutrient solution, magic array and puppet science can soldiers' body and brain be constructed. In these training tanks, soldiers can be injected with knowledge and runes of various weapons to make them grow into qualified soldiers." Xiao Yiling explained.

"How to get the nutrient solution?" Li Yuanhong asked again.

"It's easy to extract from food. The more nutritious the food, the easier it is to extract it." Said Xiao Yiling.

"How much nutrient solution can be extracted from a catty of rice?" Li Yuanhong asked with hope.

"Rice..." Small Yiling a hand leaning on the chin thought: "it seems not a lot, it is also ten grams!"

Li Yuanhong finally knew where the pit was. The 100 kg nutrient solution, that is, 10 tons of rice needed to be consumed. It may not be a thing to put it before the end of the world, but this is the end of the world. The rice is not enough to eat. How can it be used as a nutrient solution? This is a very deep pit.

Seeing Li Yuanhong's face black like Bao Gong, Xiao Yiling quickly explained, "it's really not good. You can also extract nutrient solution by transporting the corpse of zombies. However, the production cycle should be lengthened in this way." Xiao Yiling continued.

"How long will it last?" Li Yuanhong asked with hope.

"Come with me!" Said Xiao Yiling. Then Xiao Yiling took Li Yuanhong to the next room. It was like a big factory with a lot of machines and equipment. Li Yuanhong didn't know what it was for.

"This room is specially used to produce and refine nutrient solution. If the corpse of a zombie is used, an additional filtering device is needed to filter out the zombie virus. The filtering time depends on the zombie level. The higher the level, the higher the filtering time. If it is the ordinary first level corpse, it will take one day. If it is a level three giant zombie, it will take about one day A week. However, a zombie of a third class giant can extract nearly 300 kg of nutrient solution, while an ordinary zombie can only extract less than 100 kg of nutrient solution. " Xiao Yiling explained again.

When Li Yuanhong heard this, he immediately became interested in killing zombies. He could not only get crystal nucleus, but also get nutrient solution. Anyway, this soldier could not produce in a day. As long as there were corpses, he could produce them continuously. At that time, he would accumulate enough soldiers and be afraid of zombies! Then he can lead the soldiers back to Yanjing.

"By the way, is the archer barracks the same principle?" Li Yuanhong asked.

"Children can be taught!" Xiao Yiling said, learning from the old scholar.

Li Yuanhong finally has a plan to increase his troops. However, there is not enough materials for the archery barracks. It seems that it needs to be delayed. However, we can find a way to produce spearmen. Li Yuanhong immediately carried out the plan. As for the other functions of the barracks, Li did not continue to explore. After all, there were too many functions. You can ask Xiao Yiling to introduce them later. Now Li Yuanhong does not have spearmen to protect himself. He always feels unsafe. Therefore, he wants to produce spearmen as soon as possible.

Li Yuanhong rushed to the city wall. It was already more than ten o'clock. All the people on the wall except those on guard went back to rest. There were only a few hundred zombies wandering under the wall. These hundreds of zombies were nothing to Li Yuanhong. But today everyone was too tired and it was already dark, so Li Yuanhong just asked people to be on guard and did not continue to attack 。 At this time, Li Yuanhong ran to the wall to cover the corpse of the zombie.Li Yuanhong first asked people to find a long rope and a long pole. Learning from the Mongolian horse riding pole, he made a long body covering pole, which was seven meters long. It was not so easy to operate. That is, Li Yuanhong had evolved, or no one could operate it. Even so, it took nearly an hour for Li Yuanhong to catch the corpse of the giant zombie he was fishing for, which made him feel dizzy and tired. But Li Yuanhong can't relax. He needs to transport the corpse to the barracks. After all, at present, no one else can enter the barracks. Li Yuanhong sighs that he has a hard life. When he can be a shopkeeper like in the novel, he can solve anything with his mouth. It's a pity that all these things have nothing to do with himself.

Li Yuanhong transported the corpse back to the barracks, and according to Xiao Yiling's instructions, he threw the corpse into the refining machine. As soon as the corpse entered the mouth of the machine, it disappeared. Then the machine looked like a science fiction movie and gave out dazzling light. Li Yuanhong expected that the roar of the machine did not appear, only a faint vibration. It seems that this extraterrestrial technology is far higher than the earth.

Li Yuanhong knows that now he can only wait for the nutrient solution to be extracted. He can't do anything. He has to go back to sleep. Now Li Yuanhong feels tired and tired again. When he returned to the second floor of the conference hall, he found that there were some differences. As for the difference, Li Yuanhong couldn't see it for a moment. Anyway, he was sleepy, so he went back to his room. When he got to the room, Li Yuanhong finally knew what was different. There were more footmats on the floor, oil paintings and other decorations on the wall, and they were newly hung. Li Yuanhong knew that Li Luoxia had made this girl, but he didn't expect that the girl still had some artistic skills. But it's also good. This Council hall is empty, and only with decoration can it have a breath of life.

The next morning, Li Yuanhong got up early, and some people began to move outside. As there were zombies outside, those who worked outside could only be forced to have a holiday today. However, Li Yuanhong had several important things to arrange. The first was to clean up the zombies wandering outside the wall. The second thing is to arrange the funerals of those who died in the battle. Li Yuanhong felt that he had to give an account to those who had died for the camp in order to be worthy of them. In this way, the living people could have a sense of belonging in their hearts.

Li Yuanhong first came to the city wall, where some people began to shoot zombies still wandering with bows and arrows. Wang Jingrong, in particular, did not know when he was coming. Together with an archer, he seemed to be asking archers for advice on archery skills. Li Yuanhong did not disturb them. He also found a composite short bow and began to aim at the zombie. Such a good living target is not easy to find. Li Yuanhong doesn't want to waste the opportunity.

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