Liu Mingyu patted Ye Qingxuan's head and said apologetically: "I'm sorry for making you worry. There are some things to deal with over there, so it's too late."

The main reason was that Liu Mingyu temporarily forgot that the time of the two worlds had been synchronized, and subconsciously thought that the system upgrade would not have much impact. The next time the system was upgraded, he must inform Ye Qingxuan in advance to avoid her worry.

"It's nothing serious." Ye Qingxuan hugged Liu Mingyu's arm tightly, with a worried look on his face.

"It's okay. Are you okay here? After the zombie siege, are there any zombies coming here?"

Normally, another wave of zombie siege is impossible. He is more worried about whether this zombie siege will attract the attention of his "neighbors".

Regardless of the large number of zombies killed in this zombie siege, after twenty waves of zombie attacks, the total number of zombies exceeded one million.

However, the number of zombies in urban Jiacheng far exceeds this number. If we really attract their attention, I'm afraid this base will no longer exist.

Judging from the survivors in the base just now, nothing like this should have happened.

Ye Qingxuan stood up and made a pot of tea for Liu Mingyu, and began to introduce to Liu Mingyu what had happened in the past half month.

After Liu Mingyu returned to the real world, everyone began to dig out the energy crystals inside the zombies' heads.

More than a million level zombies have fallen here, including a large number of energy crystals of second-level and third-level zombies.

This time the survivors saw a far greater number of special zombies than they had encountered in the past five years.

Even though they had personally experienced this war, they were still shocked when they dug out the energy crystals.

Facing such a huge number of zombies, we managed to survive.

Many survivors understand that their ability to defend this time mainly relies on the weapons and equipment brought back by the boss. If there were not nearly unlimited weapons, how could they possibly kill these zombies.

This time the operation of digging out energy crystals lasted for a full week before the digging was completed.

There is no way, the broken limbs of many zombies are stacked together, making it difficult to distinguish, and they need to be separated one by one.

Within a week, and at the hottest time of the year, the corpses of the zombies had rotted away. During that time, the entire base was filled with stench, and the smell of corpses was everywhere.

Later, in order to avoid another plague, everyone went into battle. It took a week to barely complete the work.

When you go outside at this time, you can still see potholes everywhere, which were plowed by missiles.

In order to facilitate the entry and exit of vehicles, four roads were built in the four directions of the base leading to the main road.

"Husband, this is part of this harvest."

Under the leadership of Ye Qingxuan, Liu Mingyu came to the reserve warehouse.

Even though Liu Mingyu was prepared, he was shocked when he saw a small mountain of energy crystals placed in front of him.

"Is this just part of it? What about the others?"

When Liu Mingyu heard what Ye Qingxuan said, it seemed that this was only part of it. After taking a look, the pile of energy crystals in front of him seemed to be all first-level energy crystals.

"Well, this is the first-level energy crystal part, the second-level energy crystal, and the third-level energy crystal are on the other side." Ye Qingxuan nodded and led Liu Mingyu around the hill to another room, "This

It’s a second-level energy crystal.”

Soon, it was a little smaller than the hill just now, but not too much, about half.

Liu Mingyu's eyes shined, this is all money.

Then the two of them came to another place. This warehouse was much smaller, about one-quarter of the first-level energy crystals and one-half of the second-level energy crystals.

The number of third-level zombies is far less than that of ordinary zombies, but the energy crystal contributed by each third-level zombie is dozens or even hundreds of times that of ordinary zombies in terms of weight. With this weight, it is normal.

.

In this zombie siege, the number of ordinary zombies is the largest, and there are also many second-level zombies. Third-level zombies also appear from time to time. If the last ruler had not been captured by Ye Qingxuan, he could even have obtained a fourth-level energy crystal.

However, a living fourth-level zombie is better than a fourth-level energy crystal.

"Husband, because of Director Huang's research, part of almost every variety was taken away." Ye Qingxuan introduced.

Liu Mingyu nodded: "Is it enough for Director Huang? If not, let him get more. I have some use for the first-level energy crystals."

Huang Yi has two major research projects in his hands. One is to use the original zombie virus cells in the demon fragments for controlled reproduction, and the other is to use energy crystals to give humans the special abilities of zombies, that is, superpowers.

The main use of energy crystals is as the main raw material for general-purpose cancer treatment drugs. With so many energy crystals, normal use is enough for Xingchen Pharmaceutical to be used for a long time.

Liu Mingyu's main purpose this time is to bring the first-level energy crystals back to the real world. As for the second-level energy crystals and the third-level energy crystals, Huang Yi will have to figure out the correct way to use them.

How many people long for humans to have superpowers? If these energy crystals can make Huang Yi's project profitable and allow humans to awaken superpowers, the strength of the survivors of the entire base can be further improved.

The power awakened by the third-level zombie in this battle made Liu Mingyu drool. Fortunately, he had the help of the system and could obtain the power in other ways. Others were not so lucky.

"It should be enough. Why don't you ask Director Huang?" Huang Yi asked Ye Qingxuan to take away a large number of energy crystals. She also knew that Huang Yi was working on a project that Liu Mingyu was particularly focused on, so she didn't ask much.

Liu Mingyu waved his hand and said: "No, he probably doesn't need the first-level energy crystals. The second-level and third-level energy crystals are placed here. When needed, let him apply to you. If he needs anything else,

Materials, try your best to cooperate with him."

To be honest, since the establishment of the Zombie Transformation Factory, especially since zombies can evolve on their own after reaching their peak state, Liu Mingyu has become much less dependent on survivors. Now Huang Yi is asked to study this project purely to enhance the abilities of other survivors.

Strength gives them a place in this world.

"I brought a lot of supplies this time. Find an empty warehouse and I'll put them there." Liu Mingyu remembered the supplies he had brought and asked.

Under the leadership of Ye Qingxuan, they came to another storage warehouse.

When Ye Qingxuan opened the warehouse, Liu Mingyu was shocked by the sight in front of him.

The warehouse that was originally filled with supplies now only has some sporadic supplies on it. It is estimated that if we arrive a few days later, even the remaining supplies will be gone.
Chapter completed!