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After the efforts of the self-rescue army, half an hour later, the passage from Mine No. 1 to Mine No. 2 was finally opened.

Fortunately, the mine has the advantage of terrain, so the people in Mine 2 are not defeated so quickly. Only some people did not have time to evacuate in the last zombie group raid and were trapped and sacrificed by the zombies.

With the support of the Self-Salvation Army, the situation was stabilized.

As a result, most of the people were rescued, and the crisis in the dungeon of Twilight Mountain was successfully resolved.

On the other side, Liu Zhonglei from the Akiyama settlement was also frightened after seeing that two consecutive settlements were conquered by zombie groups.

They finally escaped from the Akiyama settlement. But not to flee to the Iron Castle. Instead, he went to the mountains to the west. I hope to stay away from the zombie hordes in Nenjiang County. Perhaps, in their opinion, even the Iron Castle should not have any hope of stopping such a powerful zombie horde.

As for whether it is a blessing or a curse to flee to the mountainous areas of the Daxing'an Mountains in the west, it is not clear. Maybe the number of zombies over there will be relatively small, but there are more terrifying mutated creatures and zombie creatures!

*********

The zombie hordes besieging the dungeons of Twilight Mountain have withdrawn.

Two times in a row, this time there was still nothing to gain, which made the corpse general very annoyed.

So a few days later, in the night, the zombie horde set off again. This time they're targeting the Iron Ciep to the north.

After the first two operations, the Corpse Generals have realized that their movements must have been monitored by the Iron Ciep all along. Every move is in the hands of the enemy, and that's not a good thing.

Of course, it's best to use a sneak attack, zombies don't talk about morality and fairness. But every move is in the hands of others, so isn't it completely the other way around! Become someone else who can sneak up on you at any time.

So this time, before setting off, the corpse general had already taken the lead in sending a large number of zombies as scouts, forcing away the scouts of the self-rescue army in the vicinity. Even the half-corpse scouts were investigated, and if they hadn't been very clever and escaped early, they probably wouldn't have been able to go back.

Moreover, the corpse general chose to set off at night this time, and he tried to go into the forest as much as possible. Although he did not know that the Self-Rescue Army had reconnaissance satellites in the sky. But from his previous experience, he knew that the Iron Citadel must have some way to reconnoiter them from the air, perhaps like flying corpses, or something else. Otherwise, it would be impossible to explain why they would know so clearly about the movements of the tens of thousands of troops of the entire zombie group.

However, the movement of the zombie group was still discovered by the self-rescue army.

Nowadays, most reconnaissance satellites have night reconnaissance functions, at least before the zombie group enters the forest, the reconnaissance satellite can clearly know the movement of the zombie group.

*******

At 9 p.m., in the command of the Self-Salvation Army.

The screen shows footage captured by surveillance cameras 25 kilometers away from the Iron Fort.

Several zombie scouts appear first in the frame. The main force of the zombie group, because it carries a large number of large siege equipment, is relatively slow, and it is still lagging behind.

And the zombie scouts quickly spotted the camera.

They may not know what cameras do. But in the process of monitoring them, the camera moved. Out of vigilance, the zombie scouts still used their hands to destroy the camera.

The scene inside the headquarters immediately turned into a snowflake.

Chen Yuan turned his head to look at Xu Kai with a solemn expression, and asked, "Has the situation of the zombies been counted?" ”

Xu Kai nodded and said, "It's been counted, 100,000 zombies are full." This time, the corpse will let the zombies it controls pour out! The number of siege machines was also very large, and there were no less than a hundred trebuchets alone. This time our walls may face the greatest test ever! ”

Chen Yuan smiled and said confidently: "Don't worry, the reinforced concrete city wall is not so easy to destroy, not to mention that my father has been reinforcing it for so long." Don't underestimate the abilities of earth-based abilities. But we still have to be prepared. Your reconnaissance satellites are to keep an eye on the movement of the zombie hordes. As soon as they come out of the woods, they need to be spotted in time. As long as the distance is right, I will immediately let Lao Xiao's side launch an artillery attack on the zombie group. ”

"Understood!"

***********

At 12 o'clock in the morning, reconnaissance satellites discovered that the main force of the zombie horde had appeared 15 kilometers away from the Iron Castle. Not long after they emerged from a vast wood, they were spotted by reconnaissance satellites of the Self-Salvation Army.

Chen Yuan immediately ordered the long-range artillery unit to launch an artillery attack on the zombie group, especially the siege equipment transport team located in the middle of the zombie group.

"Boom ......"

More than 50 long-range artillery pieces were fired at the siege equipment units in the middle of the zombie herd at the same time, causing a carpet bombing effect. Under the artillery in the sky, many siege equipment were blown to pieces in an instant.

However, just like the situation previously grasped by the Military Intelligence Bureau of the Self-Rescue Army, the zombie group was very well prepared this time, and the number of siege equipment was very large. In addition, the accuracy of long-range artillery is not enough, if it is not a direct hit, it is difficult to cause complete damage to the zombie siege equipment, so at this time, they have not been able to deal a devastating blow to the zombie group siege equipment troops.

Moreover, after being attacked, the zombie hordes also immediately dispersed to avoid the intensive artillery bombardment of the self-rescue army. and soon changed the direction of the march and moved into the deep forests to the west.

Although this will take a long detour, it can quickly make the zombie army disappear from the sight of the reconnaissance satellites.

Since then, the zombie army has appeared once at a distance of 8 km and 5 km from the Iron Castle. They were also shelled by the long-range artillery units of the Self-Salvation Army.

However, in the end, after losing a certain number of siege equipment and zombie soldiers, the zombie army still successfully appeared in the woods about 2 kilometers away directly opposite the Steel Castle.

Here, it is already less than the minimum range of the long-range artillery of the Self-Rescue Army. At the same time, under the cover of the woods, the zombie hordes began to dig trenches and hide siege equipment.

At four o'clock in the morning, after more than half an hour of preparation, the zombie horde was already about to attack.

With a loud horn, countless zombies rushed towards the Iron Castle. Among them, there are many zombies, all holding large pieces of earth and stones in their arms!

"Damn! What are they doing with dirt and rocks? They don't want to fill the Nenjiang River with these soil and rocks, right? On the city wall, Wei Chen said in surprise.

Zhang Fatzi said solemnly: "It's possible!" 100,000 zombies! ”

At the same time, in the distant hordes of zombies, their trebuchets and siege crossbows have also been fired. Sixty or seventy boulders with a diameter of more than one meter and hundreds of siege crossbows flew towards the walls of the Iron Fortress at great speed! It was like the end of the world!