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Use the earth attack to bypass the tall walls of the human side. The zombies under his command finally succeeded in attacking the underground shelter of humans, and the corpse king couldn't help but feel a sense of bitterness.

After so many days of waiting, it was finally in vain!

And the forces of humanity, although they resisted at the beginning.

But under the fierce onslaught of the zombies, they quickly began to retreat.

Because underground, the temperature here is much higher than on the ground, basically above freezing, and the speed of zombies can not be affected!

It's a great opportunity to attack!

So the Corpse King immediately controlled the zombie army in other directions, and seized the time, accelerated and continued to dig.

Soon, the second tunnel was dug through, and the zombies roared and frantically rushed into the underground shelter of the humans.

Then a third, fourth, and more passages were dug one after another. Countless zombies also poured in.

But the strange thing is that the corpse king gradually found that the defenses of the human troops no longer seem to be weak in these tunnels opened up in the back.

Even in the face of zombies in the heyday of speed, they can block the zombie land near the entrance of the cave, so that its zombie army cannot break through the overall situation. Their weapons, the firepower is too powerful, and in a small range, it seems that they can play more advantageously. Inflict a large number of casualties on the attacking zombie troops.

In a short time, there were a large number of zombie corpses, lying near the hole that had been dug up.

In fact, this is already an intentional release of water on the human side, if it weren't for the fear that the corpses of the zombies would soon block the entrance to the hole, so that the zombies behind them could not continue to move forward to fight them, otherwise the zombies would not be able to rush in at all.

And at this time, the first tunnel to be opened, the zombie army that first entered the human underground shelter, the attack speed seems to have slowed down, and the attacking zombies were finally suppressed by the human forces in a long passage.

There are no other rooms around here, and zombies can't break through the walls from other rooms. For a while, there was no way to continue digging holes.

The Corpse King originally wanted to rely on a few mutant zombies and use their strong defense and attack power to force a breakthrough.

Indeed, in the narrow tunnel, the combat power of the mutant zombies can simply defy the sky.

The ice shield of the ice mutant zombies, the resistance to blows of the gold mutant zombies, and the attack power of the lightning and fire mutant zombies are all the heroes of their previous breakthroughs in the defense levels of the human underground shelter.

But at this time, the human side also seems to have mobilized the supernatural to assist in the defense, and their strength does not seem to be weak.

In fact, it's not weak!

Because at this time, Chen Yuan and Qin Cheng were both here, plus the other superpowers, the total number of human superpowers reached 12. It's not at all that the 4 mutant zombies on the zombie side can deal with it. If it weren't for the fact that they didn't want to scare the zombies away too early, the self-rescue army would have started a counterattack a long time ago.

So at this time, no matter how hard the zombies of several mutant zombies on the zombie side attacked, they could not successfully break through the defenses of the human troops.

This made the Corpse King suddenly anxious!

At this moment, the Corpse King finally made up his mind and used one of his secret weapons that he was reluctant to use.

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"Damn, what's that!" Seeing some zombies take out their long shoulder-mounted weapons, Zhang Fatzi shouted in surprise: "Nima, it's a rocket!" Be careful, everyone! ”

Yes, in addition to the dozens of artillery pieces that were previously destroyed by the human forces, there are also some rockets in the zombie army. These were found in the camp of the troops of the garrison in the city of Qikha.

It's just that it's never been willing to use it, and it has to be used at such a critical moment.

Otherwise, it will become the highest priority target of mankind, just like those heavy weapons before it.

On the side of the human troops, Chen Yuan and the others were indeed taken aback.

The rockets exploded in a narrow underground passage, and the power was terrifying.

But more importantly, the rockets may blow up the underground passage!

When the time comes, how will you still pursue the fleeing troops of the zombies!

As a result, the officers and soldiers of the Human Alliance, without the orders of their superiors, began to launch a fierce attack on several zombies carrying rockets.

However, the surrounding zombies are desperate to use their bodies to resist the attacks of human bullets for these zombies carrying rockets.

So in the end, 2 of the 5 rockets were successfully launched.

Watching the two RPG rockets dragging their long tails towards them violently, Chen Yuan's first thought was not defense, because even if he defended, once the rocket exploded, it would collapse the tunnel. So he immediately shouted, "Wrap the rocket with ice!" ”

Because he heard Liu Jinlong say before that this kind of rocket is a grenade detonated by a warhead collision. That is, the type of bomb that is detonated by the touch of the warhead.

He thought that if the rocket was frozen in the whole of the ice, the fuse of the warhead would not hit the target, and it should not explode.

So with that, he immediately struck, and the two abilities were fired at the same time, and the two flying rockets were frozen at a speed visible to the naked eye.

Even the flamethrower at the tail of the rocket was frozen, and the two rockets began to lose power and sink.

At the same time, the other ice-type abilities on the team, after hearing Chen Yuan's order, also used the ice-type abilities to freeze the two rockets.

The rockets were wrapped in layer after layer of ice.

So almost in the blink of an eye, the two rockets were wrapped in a large ice ball with a diameter of one meter and fell to the ground in an instant.

At this time, the rocket did not explode.

"Whew!" Chen Yuan wiped the cold sweat on his head and breathed a sigh of relief.

However, Qin Cheng beside him was a little surprised, and then shouted anxiously: "Quickly put up a defensive shield!" ”

"What's wrong?" Chen Yuan asked suspiciously, "Isn't the bomb frozen?" Isn't this kind of warhead collision detonation grenade not exploding without hitting the warhead? ”

Qin Cheng rolled his eyes and said, "It has a timer, even if it doesn't touch the fuse, it will still explode when the time comes, so quickly defend it!" ”

Chen Yuan was immediately surprised, but at the same time, he immediately set up a defensive ice shield.

Sure enough, just a second or two later. Two RPG rockets wrapped in thick ice exploded.

"Boom!"

But fortunately, because it is wrapped in ice up to 1 meter thick, most of the energy of the bomb turns into the power to break the ice ball when it breaks it. The explosion outside was much weaker, just sending a little ice slag flying.

And the tunnel has finally been saved.

(End of chapter)