The twenty-odd elite zombies were extremely fast, and soon they rushed to the foot of the city wall. With a light leap, they flew over the fire and onto the city wall.

Abao roared and transformed into a small giant, charging towards an elite zombie. Meanwhile, Xiaonan stopped killing the zombies outside and summoned vines to entangle the elite zombie that had reached the city wall.

With Xiao Nan's help, they quickly entangled three elite zombies. Wang Bin and A Bao immediately rushed over to deal with the three entangled elite zombies.

As for Guan Xiaoyue and the others, they were stationed on the other side. Since they couldn't leave their strongest members aside, each of them led a group of elite superhumans to guard one side.

The mountain pass was the most difficult part to defend, so Wang Bin brought A Bao, Xiao Nan, and Huo Yan to personally guard the valley entrance.

Wang Bin didn't hold back either. In order to seize the time to kill the elite zombies, he summoned the Fire Dragon Spear and pierced an elite zombie that was being entangled by Xiao Nan with one shot.

These elite zombies were mostly level eight or nine, many times stronger than the low-level elite zombies they had killed together before. But Wang Bin and the others were no longer the same as before; each of them was incredibly strong and could kill an elite zombie on their own.

However, many zombies outside kept rushing into the fire, trying to extinguish it and climb the city wall. Therefore, they had to seize every second to kill these elite zombies in order to prevent the zombies outside from breaking in.

After killing one elite zombie, Wang Bin leaped forward and flew to another elite zombie. He thrust out a fire dragon with his spear, which sent the elite zombie flying backward. The surrounding superhumans beat him with sticks and hacked him to death.

With a swing of his iron chain, Ah Bao immediately smashed one of the elite zombies to the ground. Then, Ah Bao flew over and landed from the sky, stepping on the fallen elite zombie with a crack, crushing its head with his foot.

Now, most of the area outside the city walls is blocked by bonfires, making it difficult for the zombies outside to rush up for a while. At this time, everyone can split up to deal with the elite zombies.

Even though Wang Bin, A Bao, and Xiao Nan were fighting hard to kill these elite zombies, there were simply too many of them. In a short time, several elite zombies were left unattended and rushed into the crowd, slaughtering everyone.

Most of them were ordinary superhumans, and after this period of training, their levels had reached seven or eight. However, the gap in strength between them and these elite zombies at levels eight or nine was too great, and many of them were slaughtered by them.

Wang Bin and A Bao were quite anxious, as so many elite zombies had rushed in, and they could only deal with them one by one.

Fortunately, the zombies outside are temporarily blocked by the fire; otherwise, if the zombie horde takes the opportunity to rush up, the city wall will be breached.

After a fierce battle, Wang Bin finally killed off the elite zombies that rushed in before the fire went out. He then led A Bao, Xiao Nan, and the others to the city wall to block the zombies outside.

As for the elite magic cores inside the heads of the elite zombies, someone naturally harvested them and handed them over to Wang Bin. They had already consumed the magic cores, so using these elite magic cores as currency wouldn't be of much use.

In this battle, more than 200 people were killed by elite zombies, and another 400 or 500 were wounded. Wang Bin hurriedly ordered people to carry the dead and the wounded inside.

The wounded were treated by the medical team led by Zhao Qianqian, while the bodies of the fallen warriors were kept together and would be properly buried after the battle.

Gradually, the fire outside the city wall was extinguished by the zombies, and the zombie horde quickly rushed up again. The people bravely fought and killed the zombies.

After fighting for more than an hour, the zombie corpses outside the city walls were piled up higher than the walls themselves, and Wang Bin knew that he could not hold this place.

"All personnel, listen to my command and retreat to the second line of defense!"

Upon hearing Wang Bin's order, everyone knew that continuing the fight would only result in them being killed by the zombies, so they all leaped off the city wall and retreated towards the second city wall behind it.

Everyone else was retreating, but Wang Bin and A Bao did not retreat immediately. They continued to fight on the city wall, buying time for their comrades to retreat.

"Mr. Wang, Abao, please come back quickly!"

Those who had retreated to the second line of defense saw that Wang Bin and A Bao were still on the outer city wall, while the surrounding city walls were already full of zombies. They were so anxious that they shouted and yelled.

"Walk!"

Seeing that everyone had safely retreated to the second line of defense, Wang Bin immediately jumped off the city wall with A Bao and retreated towards the second line of defense.

Through the last zombie horde, Wang Bin also learned a lot from the 98th Army. One of the things he learned was how to defend against zombies in the city. He used the height of the city walls to continuously block the zombies. Even if they were powerful, they had no way to deal with the zombie corpses. They would only pile up higher and higher. Once they reached a certain height, it would be extremely difficult for them to defend against a number of zombies that were hundreds of times their size.

Then the only option is to continuously build city defenses to constantly eliminate and block the zombies. In addition to the second line of defense, there is another line of defense inside.

The second and third lines of defense were built after the blind girl, Afang, foresaw the coming zombie horde. Fortunately, a large number of people were gathered here; otherwise, it would have been very difficult to build these two lines of defense in a short period of time.

As for the hillside, Wang Bin didn't need to worry about it. Because the terrain was steep in many places, it was difficult for the corpses of the killed zombies to pile up. Once they reached a certain height, they would roll down. So the biggest pressure was only on the valley entrance. Whether or not they could hold the valley entrance would be the key to whether or not they could stop this zombie horde.

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