Shen Qingyun hurriedly took the fist-sized item handed over by the old man.

"Thankfully, I finally found someone who could get the vaccine." The old man's voice was relieved. "Hope this nucleus will be useful to you."

Sperm nucleus? Shen Qingyun curiously observed the stone-like item in his hand. The "stone" was about the size of a fist, and it looked jet black and unremarkable, completely different from the Zombie King's essence core on the auction table. Of course, the biggest difference is that this essence core doesn't seem to have any power at all.

"Little girl, don't be surprised, this essence core, and the one at the auction, are actually burst out of the same zombie king." The old man's voice was full of helplessness, "At that time, I tried my best to finally kill the zombie king at the cost of a safe city. But I fled to Titan City with all my might, and I thought that the Yu City Lord and I had the same idea, but who knew that this guy was a pretender, and what I thought in my heart was that little bit of a struggle for power and profit. Fortunately, although the essence core burst out by the zombie king seems to be full of power, the really useful skills and everything are sealed in this essence core. The piece was snatched away, and the ordinary-looking piece survived. ”

"Little girl, the future of humanity depends on you. I hope you can grow a vaccine as soon as possible to save humanity from fire and water. The old man's voice grew lower and lower, and gradually disappeared.

"Old man, old man." Shen Qingyun didn't know who he was, but she knew that this must be a person who gave everything he had for the future of mankind. She wanted to talk to him more, but she knew what her priorities were.

"Ding!" The cheerful voice of the system elf sounded: "Congratulations to the host, get the key item of the mission: the essence core of the zombie king." ”

"Oda, the essence core is obtained, what should I do with it?" Shen Qingyun really asked for advice this time. There is a lot of darkness in this world, and she urgently needs to breathe a little fresh air, hoping that she can quickly save the suffering Li Min here.

"Isn't that easy?" Xiao Tian's voice was still so calm, "First pick up the essence core and put it between your forehead and eyebrows." ”

Shen Qingyun followed as he said, and raised the essence core high with both hands and placed it flat between his eyebrows. A storm of energy rushed into her mind, and then, quickly filling her limbs, all her meridians, all her organs, all her ......

In the essence core, the residual power of the Zombie King is actually not much, but for Shen Qingyun, who has an ordinary body, this kind of impact is actually enough. This purest power rapidly changed her meridians and expanded her abilities. What's more, the skills mastered by the Zombie King, as well as his innate intuition, and natural leadership, all filled Shen Qingyun's brain with a steady stream.

The influx of excess energy made Shen Qingyun's body feel like it was about to crack; The influx of excessive information gave Shen Qingyun a headache. But she knew that at such times she only had patience, patience, patience.

I don't know how long it took, Shen Qingyun finally came to his senses again. "Congratulations to the host, who has gained most of the skills, knowledge, abilities, and a small amount of power of the Zombie King. This time it was a blessing in disguise. Oda breathed a sigh of relief and said, "I thought I was going to find another host again!" ”

"But I said, host, your body is too weak, this is only half of the essence of the zombie king who has lost his life, you can't bear it, so if you have more energy, you may explode and die, right?" For Shen Qingyun, Xiao Tian was full of disgust. Although the fine core has benefited it a lot, it is not enough for the main system.

Shen Qingyun silently glanced at the system elf in his heart. At this moment, she was busy reading the message left by the Zombie King, and she didn't have time to argue with the system elves.

The development of the human world has reached a certain stage, and the development of social material civilization has reached a bottleneck, which cannot be done out of the universe, while the limited social and natural resources are occupied by a small number of people. Out of their own selfishness, these so-called human beings spared no effort to destroy nature. Soon, nature's revenge came.

In the beginning, it was just some impermanent change in the climate. Then, there was a small outbreak of the zombie virus. If human beings can put aside their prejudices at this time and defend themselves against the enemy together, the zombie virus can actually be effectively controlled and eventually eliminated. However, there are always some people, greedy, ignorant, and without a little reverence for nature, who actually use the zombie virus to achieve their ulterior purposes. The zombie virus has finally broken out all over the world, and all humans are not immune.

This is nature's revenge on humanity. However, there is a heavenly punishment, and there will also be a way to save people. The old man who gave Shen Qingyun the essence core accepted the apocalypse and wanted to give the zombie king's essence core to a person who could grow a vaccine. At first, he thought that person was Professor Wu, so he desperately wanted to send the essence core to Titan City. But who knows, the city lord of Titan City is so greedy that he immediately takes the essence core for himself. The old man could not complete his task and was thrown into this prison to fend for himself.

However, there is no endless road, and the willows and flowers are bright and another village. Shen Qingyun was also sent to the same prison because of fate. Shen Qingyun sighed that he was lucky, and at the same time "planted" the essence core that only left the empty shell.

All the essence in the essence core was transferred to Shen Qingyun's body, and the stone-like body that didn't look much changed was dug and buried by Shen Qingyun. Soon, a small sapling-like plant, spreading two lovely leaf buds, with crystal clear dewdrops, emerged from the dirt floor of the barren prison.

The sapling grew bigger and bigger, and there were more and more leaves on it, and every leaf on it was shining. Then, when the leaves grew too many to count, each leaf struggled slightly, broke free from the mother tree, and then flew into the body of each human.

Shen Qingyun once again opened the perspective of God, and his gaze followed the leaves, drifting to everyone's side. These people, whether they are rich or poor, good or bad, ordinary people or have special functions, everyone is equal in front of the "vaccine leaves". From the moment the leaves enter their bodies, their bodies have the ability to be immune to the zombie virus, and as for whether they can defeat the zombies and reproduce in the future, it depends on their own choices and efforts.

"Ding! The zombie's revenge quest is complete. Host: Are you going to stay here for a while, or are you going back to the original world? ”

"Back to the original world, of course!" Shen Qingyun doesn't want to stay here, wait for the jailer to come over tomorrow, maybe he will arrest her and force her to do compulsory labor!

"Great!"