Rats are one of the most primitive mammals in existence, they are vigorous, abundant, and extremely fast to reproduce, and extremely adaptable. Among mammals, rats are the most rapid and successful mammals other than humans.

If the female and male mice are mated, the mother can give birth to young mice at 21 days. Male pups enter adulthood after 30 days; Female pups can reproduce after 40 days. As the saying goes: one male and one female, three hundred and five a year. It is about the reproductive ability of mice, if a female mouse reproduces normally, and the offspring also reproduce in an ideal state, the number of derived can reach 2,000. Fortunately, the lifespan of the mouse is not long, only about 2 years, coupled with the low survival rate of the cubs, if it lives for more than 10 years, then the food on the earth will be eaten by them.

Ou Xiyi heard two explosions in succession, and knew that it was not good, and sure enough, those evolutionaries on the wall also jumped down and ran desperately towards them at the same time, and then Ou Xiyi didn't have to think about it, and ordered:

"Withdraw!"

Without waiting for Zhang Guangyi beside him to react, he picked up his waist, put his shoulders on his shoulders and took a big stride to run the first way, and the other evolutionaries reacted at this time, and they also hurriedly fled behind him one after another, at this time, those speed-type evolutionaries who fled back from the wall ran in front of some people, and each of them turned pale, as if they had seen a hellish ghost-like expression, and they were extremely panicked.

Ou Xiyi didn't ask what was going on, he held back his strength and followed behind those speed-type evolutionaries with all his strength, he knew in his heart the combat effectiveness of the two subordinates, but he didn't even have a chance to escape when he met the enemy, which showed how terrifying it was to meet the opponent, plus those evolutionaries who fled in front, which confirmed his guess.

Zhang Guangyi on his shoulder was carried by this underworld brother before he could figure out the situation, Ou Xiyi under him walked like flying, each step had a range of nearly two meters, the huge high-frequency bump made him almost suffocated, and wanted Ou Xiyi to put him down, looking up at a glance, he saw a black wave pouring out from the gate of the granary, and after a while, those walls were also covered by dense creatures, goosebumps bulged all over his body in an instant, and he swallowed the words in his mouth.

A few evolutionaries who were half a beat slower to react were stunned by the shocking scene in front of them, and some people were even so frightened that they stood there at a loss, forgetting to escape, this is the real end of the world, the density of the corpse tide will not be so dense, and there is no such sense of galloping like thousands of troops, the destructive momentum carried by these rats is enough to engulf all living beings, making all creatures prostrate in front of them and lose the courage to resist.

Rats the size of domestic cats frantically pursue fleeing humans, and their thirst for food makes them the most voracious predators.

After Ou Xiyi glanced back, there was only the concept of escape left in his mind, and he even forgot that he was still carrying a big living person on his shoulder, and he was striding closely behind the person in front of him, and he didn't even know when the mace in his hand was lost.

There was a brief burst of gunfire behind him, and some evolutionaries who were not known for their speed tried to resist when they saw that they couldn't outrun the rat swarm, but these were all futile resistances, meaningless in the face of the overwhelming rat tide, and they were covered by the black wave in the blink of an eye.

Zhang Guangyi, who was carried on his shoulder, tried hard to raise his neck and looked at the few people who were being swept by the rat waves, the position where they used to stand formed a mound more than one person high, like a magnet, firmly adsorbing those rats to their bodies, even if there was no place to lower their mouths, the nearby black rats still continued to jump frantically towards their bodies......

Heart-rending cries for help were also drowned out by the screams of rats, and the endless black waves behind them were like the open cracks of hell, devouring all living things in their path.

Just when Ou Xiyi was about to run out of strength and his steps were a little messy, Zhang Guangyi on his shoulder shouted loudly:

"Retreat, retreat, they retreat!"

Ou Xiyi glanced back, and sure enough, the huge swarm of rats that chased out was gradually shrinking back.

Everyone ran forward a few hundred meters uneasily, and looked back again, there was no shadow of any mice behind them, and then they collapsed to the ground one by one, Zhang Guangyi was also thrown to the ground, although his butt hurt from falling, he didn't complain at all, if it wasn't for Ou Xiyi to bring him out just now, it is estimated that he was the first of these people to have close contact with those mice, and now all that can be left of the body is a few taels of bones.

"These rats don't have long-lasting physical strength and stamina, and being able to chase these two or three thousand meters is probably their limit."

Although Zhang Guangyi did not exercise vigorously, his whole body was very painful from the bumps along the way, and he felt that his bones were about to fall apart. But he was still relatively clear-headed, so he continued to explain to the crowd:

"Under normal circumstances, the stomach and intestines of mice digest quickly, the endurance for hunger and thirst is poor, and they need to eat frequently, just like the running of this distance just consumed a lot of their physical strength, they must be hungry again, and now they should return to eat."

Not to mention the rats that ran for their lives just now, these evolutionaries also used all their strength to eat, and they had never lost their souls as if they were being chased by people like today, and they all exerted their physical potential to the extreme.

"A few of you, tell me what you just saw."

Ou Xiyi shouted to the fastest runners, who were the first to observe the walls of the granary.

"Boss Ou, Brother Gang and Brother Qiang went in and opened one of the warehouse doors, and then those rats ran out. The two brothers detonated the grenade almost at the same time. ”

"Also, after the grenade exploded, all the cracks under the warehouse doors poured out of these disgusting things. It is all the warehouses, and there are a total of eight granary buildings like Brother Gang and Brother Qiang who opened them. ”

Another evolutionary added.

"Fuck, the end of the world is cheap for these shit. Xiao Zhang, listen to what you just said, you know more about these rats, do you say that after they finish eating the food here in the future, will they run to the city to compete with us for living space? ”

Ou Xiyi really didn't know how to deal with such a situation this time, in his mind, if those rats really ran to the city, then there was only one option to escape, and it was impossible to win the battle with them.

"Boss Ou, I really don't know this. I think we should go back to the city first and find out if there are any experts in the prevention of harm among the citizens, and everyone can brainstorm better than those who have not achieved anything now. ”

"Withdraw~, go back and talk about it."