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Three days later, when dawn broke over the horizon, the gathering area of ​​the United Defense Forces was already a boiling ocean.

The flying saucers flickered in the morning light, their surfaces covered with a glowing energy shield, like stars falling into the mortal world.

These flying saucers shuttled in complex formations and were connected to each other through high-speed quantum communications, forming a seamless information network to ensure the immediate transmission of commands and tactics.

These flying saucers have a perfect streamlined design and are equipped with the most advanced space folding technology and nuclear fusion power engines. They can cross long distances in a very short time and become the air overlord on the battlefield.

Their weapon systems have been fully charged and are ready to unleash devastating firepower on the monster's lair.

On the ground, the heavy tank array was like a giant iron dragon, slowly advancing forward. These tanks were not only equipped with advanced energy shields and energy weapons, but also with drones and unmanned tank formations.

They are land-based aircraft cruisers that not only possess powerful strike power themselves, but also have powerful ground-to-air unmanned coordinated combat capabilities.

The intelligent AI combat systems they carry can autonomously analyze battlefield situations, command unmanned combat equipment, and make optimal decisions.

Following the heavy tanks are the unmanned tank formations, which use unmanned driving technology and are specifically responsible for transportation, support and other tasks.

Some of the unmanned combat vehicles are loaded with combat supplies, while others carry fully armed mecha warriors.

The soldiers are wearing the latest combat armor, which is made of nano materials and can automatically adjust the temperature and protection according to environmental changes. At the same time, the built-in life support system ensures the soldiers' ability to survive in extreme environments.

A faint blue light flows on the surface of the armor, which is the symbol of the energy circulation system. They turn the soldiers into walking technological supermen, full of power and majesty.

Following the order from Commander-in-Chief Chen Weiguo, the entire assembly area erupted in a deafening roar.

A group of flying saucers took off into the sky, cutting through the sky at an astonishing speed, leaving behind a series of brilliant trails.

The chariots on the ground started their engines, and with a rumbling sound, they surged forward like a steel torrent, stirring up clouds of dust.

The monster's lair is in the Central City at the center of the world, 10,000 kilometers away from the Defense Army Headquarters.

The Central City is where the seal is located, the center of the world, and the most prosperous and developed place in this demiplane world.

However, three years ago, monsters invaded and occupied the central city, using it as a base to spread everywhere, and the headquarters of the defense army was forced to move to this remote mountainous area.

The defending army naturally did not have to fight all the way from thousands of miles away to the central city. In this world with highly developed transportation technology, positional warfare no longer existed.

Everywhere is the front line, and everywhere is also the rear.

In the sky, several huge transport UFOs flew in like dark clouds and landed on the ground.

The heavy tanks and unmanned combat vehicles on the ground began to adjust their formation in an orderly manner and move closer to the transport UFO.

The intelligent AI combat system quickly calculates the optimal loading plan to ensure that each transport UFO can maximize the use of space while maintaining sufficient maneuverability.

As the hatch of the transport UFO slowly opened, the space folding technology inside was instantly activated, creating a vast space that seemed limited but could actually accommodate a large amount of equipment.

Heavy tanks drove into the cabin one after another. They were firmly fixed on special parking platforms, while the unmanned tank formations were quickly transported to other areas inside the flying saucer via small transmission devices.

During this process, soldiers dressed in combat armor stood guard to ensure the safety of the loading process.

Their armor gleamed a faint blue light in the morning light, contrasting with the energy shield of the transport saucer.

When all the tanks and unmanned combat equipment were safely loaded into the transport saucer, the hatch was quickly closed and the energy shield was reinforced again.

The transport UFO then started its antimatter-powered engine, which was more powerful than nuclear fusion, accompanied by slight vibrations and a low roar.

They soared into the air, cutting through the sky at an astonishing speed, and headed straight for the Central City.

In the air, these transport UFOs merged with the group of UFOs that had set off earlier, forming a huge aerial formation.

The flying saucers drew brilliant trails in the air, like a meteor shower across the sky, announcing that the final battle of the United Defense Forces against the monster's lair in Central City was about to begin.

Thousands of miles away, the Central City, once the shining pearl of the demiplane world, has now become a gloomy place that is the lair of monsters.

The sky over Central City was covered with thick dark clouds, as if even the sunlight could not penetrate the darkness.

The air was filled with a pungent mixture of rotten and burnt metal, traces of monsters and past battles.

Among the ruins of high-rise buildings, the figures of huge monsters are looming. They are either perched on broken roofs, or shuttling through narrow streets, emitting bursts of creepy roars and screams.

As the vanguard and minions of the evil god's chaotic army, the very existence of these monsters is an extreme mockery of order and peace.

They have no wisdom to conceive of construction, only endless greed and destructive instincts, turning everything they go into ruins and despair.

Their bodies are twisted and ugly, and each one is a complete deviation from the laws of nature and biological aesthetics.

Among the group of monsters, there are even more powerful beings hidden - the direct agents of the evil god, those giant beasts with extraordinary powers.

Not only are they larger in size, but they also possess terrifying superpowers. They are walking disasters, and every time they appear, they are accompanied by visions of the collapse of the sky and the cracking of the earth, which makes the soldiers of the human coalition army feel terrified, but they have to grit their teeth and fight to the death.

The United Defense Forces have actually reached the end of their rope, and this attack is the last large-scale operation they can organize.

If they fail, there will be no next time. Of course, time does not allow them to have another chance.

The seal is crumbling. If no action is taken, once the seal becomes completely ineffective and the evil god descends, it will be irreversible.

As the United Defense Forces' flying saucers approached the ruins of the Central City with tremendous force, the entire sky seemed to be covered by a thick metallic luster.

The energy shield circulating on the surface of the UFO sparkled in the morning light, forming a sharp contrast with the hideous figure of the monster below.

The roars of the monsters echoed among the ruins, like the prelude to doomsday, making people feel uneasy.

There was a gleam of madness and cruelty in their eyes, as if they wanted to devour all the living things in front of them.

As the United Defense Forces' flying saucer group continued to approach, the tension and oppression reached a peak and a war was about to break out.

Li Zhalan, Yunyin, Mao Jiahui and Zhu Yanan also came out of the small courtyard again.

After three days of getting to know each other, Li Zhalan and Yun Yin became closer.

Li Zhalan's ferocity impressed Yunyin, who set an example by imparting to Li Zhalan all the knowledge he had gained from the subject.

Mao Jiahui and Zhu Yanan were also amazed and enthusiastically joined the discussion.

As the four of them stepped out of the courtyard again, the air was filled with a different kind of vitality and expectation than before.

Save the world, here we come!