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Another ten minutes passed in the battle, and the zombie horde, after losing about 8,000 troops, finally advanced to the bridgehead of the stone bridge. Here, a large number of stones mixed with the corpses of zombies are buried in the river.

Some of these corpses were just killed by the soldiers of the self-rescue army, and they fell into the river, and more of them were dragged by zombies on the bridge on the way over. More than 8,000 zombie corpses are enough to fill this section of the river.

And at this time, there were already a lot of zombie archers gathered on the bridge. The arrows were like flying locusts, and they shot at the walls of the self-salvation army.

In the face of the dense attacks of the zombie archers, the self-help soldiers on the city wall also had to dodge, and the firepower naturally weakened.

So the zombie group took the opportunity to speed up the filling of the river, and after a while, a large section of the river was filled.

In a few minutes, they had managed to fill the section of the river from the head of the stone bridge to the gate of the Iron Castle.

The zombies in the back immediately swarmed up, and while they continued to fill in the beachhead to expand their foothold under the city gate, they began to set up ladders and prepare to climb the city wall to attack.

"Da Da Da ......"

The self-rescue army opened fire fiercely at the zombies trying to climb the city wall, and wave after wave of zombies were beaten down. But there are too many zombies rushing up, they seem to be endless, one zombie is beaten down, and a second or third zombie will climb up. The battle was fierce. In a short time, a large pile of zombies was already piled up under the city wall.

But at the same time, many soldiers on the self-rescue army were shot and injured by zombie archers. At short distances, bows and arrows are even more penetrating than bullets.

A few minutes later.

With a "dang" sound, a zombie that was about to climb the city wall cut off one of the thick iron chains that pulled up the drawbridge. The drawbridge shook. Zombies are going to bring down the suspended bridge deck!

Although immediately after that, it was smashed into a sieve by the bullets of the Self-Rescue Army. But the broken chains could not be reconnected.

After a few more minutes, the chains on the other side of the drawbridge were also cut off.

With a "boom", the drawbridge fell to the ground, and the city gate was exposed.

The zombie hordes then sent battering rams out of battle. More than twenty huge battering rams were slowly pushed onto the stone bridge from the opposite bank and headed for the Iron Castle.

A new soldier with a bazooka saw that the zombie's battering ram had been pushed onto the stone bridge, and asked the veteran next to him a little frightened: "Veteran, if we continue to fight like this, we won't lose, right?" ”

The veteran slapped the recruit's hat crookedly, and scolded with hatred: "Lose your sister, didn't you hear that the superior asked to let the zombies come!" Hurry up and get ready for rockets! ”

"Poof...... Puff ......"

Soon, several rockets were launched one after another, hitting the zombie battering ram in the distance.

"Boom ......" In a violent explosion, at least a third of the number of battering rams that rushed up were blown up.

To be honest, blowing up a battering ram with rockets is actually a bit wasteful, and the battering ram is nothing more than a pile of wood, and even a grenade can blow it up. However, the manufacturing process of rockets is very complicated, and the cost of building one rocket is enough to make 30 grenades. But at this time, it is the critical juncture of the zombie siege, and everyone will not care about this.

On the zombie side, although there are still more than half of the battering rams that have not been blown up, the battering rams that were blown up in front blocked the road, so the zombie group can only stop at this time and push the remains of the previous battering ram off the stone bridge before they can continue to advance.

On the other side, the main force of the zombie group responsible for filling the river and paving the road, after more than 40 minutes of hard work, has already filled nearly 300 meters of the river from the opposite bank in the direction of the steel fort.

The rest is only about 200 meters. And in the river in front, there are actually a lot of boulders thrown by the zombie trebuchet before, which will undoubtedly reduce the pressure on the zombie herd that fills the river.

However, at this time, they have also entered the effective attack range of the self-rescue army soldiers on the city wall.

"The zombies are already close to 200 meters! It's all there, ready to shoot! Du Ruhai, who was in charge of defending this section, reminded loudly.

The distance was too far before, and the vital point of not hitting the zombies was just wasting bullets, so the soldiers didn't shoot. But within 200 meters, with the eyesight and proficiency of the soldiers of the self-rescue army, even if they can't get a gun headshot, they can at least have a certain hit rate.

So the fighters of the Self-Salvation Army opened fire one after another.

The zombies on the other side of the river, who were filling the river and paving the road, immediately fell a lot.

See this. The corpse general immediately intensified his attack on the city gates, intending to distract the self-rescue troops on the city walls.

Sure enough, after paying a huge number of casualties, some zombies finally successfully climbed the walls of the Steel Castle. This caused some confusion for the troops of the Self-Salvation Army on the city walls. The only three remaining battering rams have also rushed to the gates of the Iron Fortress, ready to attack them.

"Knock ......"

The battering ram was hugged by a man, and the ram slammed into the gates of the Iron Fortress with a loud bang like spring thunder. The gates began to shake violently.

And the soldiers on the city wall are taking out their melee weapons one after another, fighting hard, trying to drive the zombies that rushed up again.

"Veteran, do you really have to worry about the battering ram under the city walls?" The recruit asked, looking worried.

The veteran scolded: "If you don't care, don't care, what so much nonsense!" Just concentrate on dealing with the zombies rushing up! ”

However, at this time, the zombie group has a new move, and they finally sent out a reinforced zombie army!

1 corpse will be able to dominate 100,000 normal zombies, 1,000 enhanced species, and control a mutant species.

In the previous battle, whether it was the attack on the gate of the Steel Castle or the zombies responsible for filling the river and paving the road, they were all just ordinary zombies. None of the enhanced species have ever appeared in it.

Because the corpse general knows that in the face of the natural danger of Nenjiang, before the road is opened, under the strong firepower of the self-rescue army, the troops sent up in the early stage will definitely suffer heavy casualties. It was reluctant to let the powerful enhancement species waste it pointlessly.

And those ordinary zombies are different. For the corpse generals, they are nothing more than cannon fodder and consumables. It doesn't care how much it dies. If you don't beat it, you can go back to the county seat of Nenjiang County to control it! There are still 150,000 ordinary zombies there who can be taken from it.

Therefore, it was not until the battle was fought so far that the corpse general had seen the opportunity to break through the walls of the Steel Fortress, and it was willing to send reinforcement troops to increase its strength.

This can also be seen that the corpse general is different from other previous corpse controls, and the corpse general's tactics are more flexible. They will know that the fortified species will be brought together to form a special force that will play a critical role in the critical moment.

At this time, the 1,000 reinforced zombies led by the corpse general were divided into four ways.

Nearly 100 artillery corpses have been hiding in another woods two kilometers away from the Iron Fort, avoiding the shelling of the self-rescue army. It was only then that they suddenly attacked in the direction of the Iron Citadel.

After more than 9 months of evolution, the farthest attack distance of the cannon corpse at this time has long exceeded 2 kilometers.

Hundreds of zombie bombs roared towards the defense line of the Steel Keep at the same time, although it was not as earth-shattering as the long-range artillery, but the scene was also very shocking.

More than 200 rafts suddenly sailed out of the shore upstream of the Iron Castle and sailed down the river, carrying nearly 100 reptilian corpses and 100 acid corpses straight in the direction of the Steel Castle.

There were about 50 giant corpses along the way, rushing towards the gates of the Iron Castle from the direction of the stone bridge.

On the last road, there were more than 200 flying corpses, 100 combined corpses, 100 gun corpses and even a small number of zombie animals hanging under their feet, approaching from the sky above the stone bridge in the direction of the Iron Castle.

The zombie army, the water, land and air armies are alive together!

(End of chapter)