"Teacher, according to your orders, all the materials that can be collected in each city have basically been transported!" Returning to the Xinghuo City Industrial Zone, Xiong Linhui, who had been waiting here for a long time, rushed up and reported as soon as possible.

In fact, there is no need for Xiong Linhui to say more, Zhang Qiuhan has already seen these materials.

I have to admit that when the human social machine is fully operational, even if it is only three days, it can collect a huge amount of materials.

At this time, these materials have been piled up like a small mountain, and Zhang Qiuhan roughly estimated that there are at least a million tons of materials here.

Although these millions of tons of materials are not even a drop in the bucket compared to the 12 trillion tons of materials collected by Zhang Qiuhan, they contain all the hard work and efforts of the Martian civilization, and in Zhang Qiuhan's eyes, these millions of tons of materials are even more important than 12 trillion tons of materials.

"Lin Hui, has the detailed list of materials been counted?" Zhang Qiuhan asked.

"Here, this list was counted by the apprentice himself for three days and three nights, and there will be no mistake!" Xiong Minghui immediately handed over a list in his hand to Zhang Qiuhan.

Zhang Qiuhan just glanced at it cursoly, and the thousands of pores that were originally closed on his body seemed to bloom all in an instant, and all the poisons that had accumulated on his body in the past few days seemed to have been completely dredged at this moment.

"Sure enough, the old man knows that the key still falls on our human race itself, and it is impossible to build the Xingxing Fortress with the strength of the old man alone!" Zhang Qiuhan took the list in his hand and talked to himself excitedly.

As mentioned before, although Zhang Qiuhan has collected a full 12 trillion tons of materials, including more than 120 special materials, Zhang Qiuhan has not collected even a single hair.

But at this moment, among the more than 120 kinds of special materials, 110 kinds all appear on this list, although the materials are not too much, but they basically fill the material gap of the planetary fortress, at least Zhang Qiuhan has materials in his hands, not nothing.

So Zhang Qiuhan exclaimed the above sentence.

Indeed, with Zhang Qiuhan alone, he can't collect all the materials, because those special materials that are lacking in space are all contained in the various monsters on Mars, and only when all human beings work together can they collect these missing materials.

Zhang Qiuhan even suspected that Hongjun did this deliberately, deliberately making the asteroids on the periphery of Mars lack these special materials, and deliberately putting these special materials on the bodies of ordinary monsters, so that all human beings could help him collect them.

In other words, in Hongjun's eyes, or in the setting of the entire game system, this is a battle related to the entire human civilization, not a battle that belongs to Zhang Qiuhan alone, if Zhang Qiuhan really thinks that he can handle everything single-handedly, if Zhang Qiuhan does not take the initiative to gather all the leaders of the human race to hold a meeting, but tries to collect all the special materials by himself, then it can only be said that ......

The starting point coin in Zhang Qiuhan's hand is still a little less.

"But after all, there are still more than 10 kinds of special materials missing!" Zhang Qiuhan carefully looked at the entire list and found that things were not perfect, and there were still more than 10 kinds of special materials missing from the list.

"That's it, it's a big deal, I'll exchange all these materials with the power of faith!" Zhang Qiuhan sighed, although the materials can be exchanged for the divine power of faith, then these special materials add up to thousands of tons, if all of them are exchanged for the divine power of faith, Zhang Qiuhan feels that at least half of the divine power of faith will be exchanged, so whether there is enough faith divine power left to refine the planetary fortress, then Zhang Qiuhan himself has no idea in his heart.

"Teacher, in fact, there is still a city collection of materials that have not been delivered, can you wait a little longer?" Xiong Linhui suddenly whispered.

"Who is it? Which city did this for me! Zhang Qiuhan's face changed, and he suddenly showed a little anger, "Didn't I tell these people to send all the materials here, regardless of whether they have collected all the materials or not, before 12 noon today?" They actually took my words as a deaf ear, don't they know that this will harm the entire human civilization? ”

"Lin Hui, you tell the teacher, which city is it, which person is so bold!" Zhang Qiuhan asked angrily, and then the next second, he heard an unruly voice snort coldly, "Old man Zhang, Lao Tzu is so bold, what do you want to do with Lao Tzu?" ”

As soon as Zhang Qiuhan turned his head, he saw Long Xingyun, looking at him defiantly, as if he wanted to fight with himself.

"Long Xingyun, for Xiao Cui's sake, the old man doesn't want to argue with you about anything. The old master asks you, have you completed your task? Did you bring all your stuff? If not, then the old man can only be sorry for Xiaocui! Zhang Qiuhan said in a deep voice.

"Hmph, old man Zhang, Lao Tzu really looks down on you, and Lao Tzu can't wait to kill you to make up for the suffering of grandma over the years. But I'm not even clear about personal grievances and the life and death of the nation, this is my list of materials, I've shipped all the materials, goodbye! As soon as Long Xingyun threw away the list in his hand, he left very chicly, and he really didn't give Zhang Qiuhan any face.

"This rude guy, who is rare about your things, Master, except that he will return all the things he brought to him, we will not be angry with this guy!" Xiong Linhui's eyes were also red with anger, and he wanted to tear up the list of materials handed over by Long Xingyun directly.

"Don't move, give this list to Lao Fu!" Zhang Qiuhan said lightly, Xiong Linhui was stunned for a moment, and then said dissatisfiedly, "Teacher, that guy treats you like this, let's ...... it."

"He can do anything to me, but as long as what he does is beneficial to human civilization, what is the old man's humiliation? Give me the list! Zhang Qiuhan said lightly.

And Xiong Linhui was shocked by his teacher's great feelings for his family and country, glanced at his teacher respectfully, and then handed the list in his hand to Zhang Qiuhan.

"Sure enough, the remaining 12 special materials are all here!" Seeing the various materials recorded on the list in his hand, Zhang Qiuhan exhaled faintly.

Hongjun really left all the missing materials on Mars, and with the arrival of the materials from Long Xingyun's last city, he saw that all the materials needed for the planetary fortress were all gathered.

It is worth mentioning that although Long Xingyun was arrogant in front of Zhang Qiuhan, his affairs were quite good, and the types and quantities of materials recorded in the list of materials he sent by himself were actually worth the materials sent by 10 cities.

It can be seen that although Long Xingyun is arrogant and arrogant, he is really doing things, and he is also the best and most beautiful one among everyone.

"Hey, although all the materials are complete, some of the materials are still not enough!" Although the harvest on Mars was full of surprises, after the joy, the old man Zhang Qiuhan still fell into distress.

At this time, although all the materials have been collected, there is still a big gap between the quality of the materials required by the planetary fortress.

For example, the materials needed for the armor and overall structure of the planetary fortress have a huge surplus, which is 3 trillion tons of additional materials.

The materials needed for the engine part of the planetary fortress are a little worse, although they are not much, only about 200 tons of materials, but these materials are all extremely precious special materials.

Not to mention 200 tons less, even one ton less will not be able to make the engine of the Planetary Fortress.

In fact, the engine part is not bad, only 200 tons of material is missing, and the entire Planet Fortress computer control system is missing 3,000 tons of material.

The internal gravity stabilization system was missing 60,000 tons of material.

The oxygen generation and life-sustaining system is missing a full 260,000 tons of materials.

There are also various miscellaneous systems, which together are short of 130 million tons of materials.

And the most important thing is the weapon system, not to mention those secondary cannons for the time being, the most important planetary cannon in the planetary fortress, only about 1/3 of the materials have been collected, and there are still 2/3, about 126 billion tons of materials have not been found.

According to the requirements of the drawings, without even a kilogram of material, the entire planetary fortress could not be manufactured.

And these materials are by no means something that can be exchanged for the remaining 1,000 or so points of faith divine power.

At this time, there is only one day left before the attack of the level 1 civilization, and it is impossible for Mars to collect such a huge amount of materials in one day.

At this moment, a thick despair suddenly surged out of Old Man Zhang Qiuhan's heart, could it be said that his efforts for 4 days were in vain, and mankind still couldn't escape the future of destruction?

"That's it, it's a big deal to fight with this old bone!" Taking a deep breath and preparing for the worst, a cacophony suddenly sounded outside.

"I'm sorry Miss, you can't enter here, this is a forbidden place!"

"Get out of here!"

Then there was a sound of fists and flesh intersecting, and then, the guards guarding the door were knocked out one by one, and a nimble man broke in with a big grin, and shouted at the same time, "Zhang Qiuhan, Zhang Qiuhan, you come out for the old lady, the old lady knows that you are here, don't hide, can you hide for a lifetime?" ”

"Can you hide for the rest of your life?" This sentence exploded deeply in Zhang Qiuhan's heart, so Zhang Qiuhan walked out, looked at this agile voice, and weakly called out, "Yu Yan!" ”

"Uncle Tai, why are you here!" Hearing Zhang Qiuhan's words, He Yuyan was stunned for a moment, and then quickly ran to Zhang Qiuhan's side, and at the same time explained with a somewhat embarrassed expression, "Uncle Tai, I'm not like this in normal times, I never beat people." I just heard that Zhang Qiuhan is here, and I am a little anxious to find him, and I will inevitably be in a hurry! ”

"But don't worry, Uncle Tai, I'm not rude at all, this is the last time I'll do it!" He Yuyan hurriedly swore to the sky, saying that she was not a rude woman at all.

"This guy...... I don't know who I really are! Zhang Qiuhan was stunned for a moment, he thought that He Yuyan had already learned the truth that he was Zhang Qiuhan, so he ran over to ask the teacher.

But it turned out that in fact, He Yuyan was still kept in the dark and didn't know anything.

"Uncle Tai, you don't know, I've been looking for Zhang Qiuhan's guy in the smart base for the past few days, but I can't get into the core area of the smart base, there are ten level 10 boss robots guarding there, I really can't do anything about them!"

"I was promoted to level 5 this morning, and I ran out to complete the job transfer task first, only to suddenly hear that Zhang Qiuhan's guy actually held a conference here, and then asked all human beings to contribute all the materials collected, I just knew, it turned out that Zhang Qiuhan's guy had come out, it was really hateful, so I hurried over!"

"Wait, Uncle Tai, since you are here, then you must have seen Zhang Qiuhan's kid, right?" He Yuyan only reacted at this time, don't hurriedly pull Zhang Qiuhan's arm and said, "Uncle Tai, can you see that Zhang Qiuhan's kid is your nephew and grandson, you are biased, I am your nephew and daughter-in-law, you must let Zhang Qiuhan see me, we solved the misunderstanding, then there is nothing, okay, Uncle Tai, you just let me see him!" ”

"Why didn't I know before, Yu Yan actually ordered the skill of coquettishness!" Looking at He Yuyan who was holding his arm and coquettish, Zhang Qiuhan sighed in his heart, He Yuyan will always be a strong woman in front of him, Zhang Qiuhan has never seen her so coquettish, not to mention, it is really tempting.

"This ...... Yu Yan, the matter of Qiu Han is that you asked me to think about it for a while, and he himself needs to think about it, I think if he figures it out himself, he will have the courage to see you! Zhang Qiuhan explained to He Yuyan that this was not so much for He Yuyan as for Zhang Qiuhan himself.

"Okay...... Uncle Tai, let's talk about it, you must convince your nephew and grandson, in fact, I don't want to chase him all the time, I just want to have an end with him! He Yuyan's expression dimmed, "He may not love me anymore, but if that's the case, then he has to make it clear to me, otherwise it's too unfair to let me go crazy alone!" ”

"Yu Yan ......" He Yuyan's sad words almost made Zhang Qiuhan's heart melt, and also made Zhang Qiuhan understand how naïve and excessive what he had done before.

Even if I am 80 years old at this time, I am used to the ups and downs of the world, and I think I am already a mature old man, but now it seems that emotionally, I am still naïve and childish.

"Yu Yan!" Zhang Qiuhan was about to speak, and He Yuyan's attention had already shifted to the pile of general mountain-like materials around him, "Uncle Tai, will there really be aliens attacking us tomorrow?" ”

"Well, there will be!" Zhang Qiuhan nodded.

"Uncle Tai, are these materials used to make that planetary fortress and use them to save humanity?"

"Hmm!" Zhang Qiuhan nodded again.

"Oh, isn't this planetary fortress just an iron turret in space?" He Yuyan asked curiously.

"Of course, this is not a simple space battery!" Zhang Qiuhan shook his head and explained, "In addition to being able to fire cannons, planetary fortresses can also freely switch and act in the outer space orbit of Mars. ”

"In addition to this, it also has a variety of scientific research equipment, as well as a human livelihood system, an imitation biosphere system, a self-gravity system, restaurants, game halls, bars, and even a large shopping mall, the entire planetary fortress is enough to provide space for 100,000 people to live, this is not only a fortress, but also a mobile city floating in space, which is a miracle for mankind!" Zhang Qiuhan explained with some excitement.

For scientists, such a behemoth with all-round functions is always the most exciting thing.

"Oh, it turns out that this thing is so powerful, I thought it was just a simple space battery, although these things are useless against aliens, but it sounds very powerful!" He Yuyan praised sincerely.

For He Yuyan, this may just be a casual sentence that didn't go through her head, but this sentence was like a bomb, exploding directly in Zhang Qiuhan's head.

"That's right, for humans, planetary fortresses only need to be able to fire cannons and attack enemies, what kind of human survival system do you want? Scientific laboratory systems? Imitation ecosphere system? Self-gravity system? And that whole bunch of entertainment features, planetary fortresses that humans use to save lives, what do you want these things for? ”

At this moment, Zhang Qiuhan felt that everything suddenly became brighter, and many problems and opportunities that were directly ignored were all spread out in Zhang Qiuhan's mind at this moment.

"Well, all kinds of scientific research can be carried out directly in the reading space, so the scientific research system can be removed directly!"

"Also, except for me, other human beings don't even have a way to board the planetary fortress, so the entire planetary fortress only needs to consider my own livelihood, so all kinds of systems built for the survival of human beings in the planetary fortress can be eliminated and don't need to be built!"

"These cabins, these systems, these boring KTVs and shopping malls, all of them are gone! All I need to do is install an oxygen machine in the cab and strap a seat belt on the driver's seat to fix my body, nothing else! ”

"If that's the case, it could reduce material consumption by nearly 3 trillion tons!" Under He Yuyan's puzzled gaze, Zhang Qiuhan directly took out the blueprint of the planetary fortress and began to make frantic changes to it.

"These drawings are torn up, and they are no longer needed!"

"Well, all these living cabins have been canceled, which will affect the stability of the overall structure, so here we need to redesign a filling system and use the simplest materials to do it!"

"Damn, who designed the drawings of this planetary fortress, and why is the design of an energy circuit so complicated? After going around 40 circles, nearly 20% of the energy is wasted, which is simply a violent thing, no, the entire energy circuit has to be modified! ”

As a result, Zhang Qiuhan completely fell into the world of crazy and violent reforms.

Thanks to He Yuyan's reminder just now, Zhang Qiuhan found that he had always fallen into a misunderstanding, that is, he could only build a planetary fortress according to the design drawings of the planetary fortress.

But Zhang Qiuhan forgot that after he had thoroughly integrated all the relevant knowledge and skills of the planetary fortress, Zhang Qiuhan actually didn't need any drawings, and he already had a complete set of planetary fortress structures in his head.

And Zhang Qiuhan was even more able to make magic changes to the drawings of the entire planetary fortress according to actual needs, and deleted a large number of systems that were originally used to maintain human existence.

In the entire planetary fortress, there is an extremely large part of the system, and once this part of the system is removed, the planetary fortress becomes extremely simple.

All you need is an engine, an energy transmission system, a weapon system, and a complete control system, and the planetary fortress can be built, and the materials required are about 1/3 less than before.

As a result, under Zhang Qiuhan's magic reform, the planetary fortress has changed from a giant space fortress that could sustain 100,000 humans in the universe to a huge metal ball, which has no function except for kinetic energy to fire.

It's like a car that throws away everything from the cockpit, trunk, rear seats, and so on, leaving only a car chassis, 4 wheels, an engine, and a steering wheel.

There is no need to think about any manned issues at all, as long as it can be moved!

And Zhang Qiuhan also simplified the planetary fortress to be able to fire cannons, and in this way, it can reduce the extremely large amount of materials!

After the preliminary design was completed, Zhang Qiuhan immediately began to recalculate the materials needed for the entire Demon Modified Planet Fortress, and then was pleasantly surprised to find that in addition to the materials of the weapon system, which could not be completed, the remaining materials were enough, and there were even a lot more.

"This planetary cannon, just don't want it!" Seeing the weapon system that really couldn't be completed, Zhang Qiuhan waved his hand and directly threw all the drawings of the planetary cannon aside!

Don't get me wrong, Zhang Qiuhan didn't abandon his martial arts and gave up the main weapon of the planet fortress, otherwise Zhang Qiuhan would have built a planet fortress!

Zhang Qiuhan remembered that he seemed to have a super cannon that was almost 10 times more powerful than the planetary cannon, and came from a first-level peak civilization: the Richelieu cannon!

And what's even more wonderful is that this Richelieu giant cannon has already been manufactured, it is completely ready-made, and it is lying in Zhang Qiuhan's space equipment, and even the steps for Zhang Qiuhan to make it have been saved.

Of course, the Richelieu cannon itself was not designed for planetary fortresses, so there will definitely be a mismatch between the two.

However, it is not a big problem, only need to transform the position of some interfaces, it is not a big project, and it is enough to modify thousands of drawings.

In addition, Zhang Qiuhan was also pleasantly surprised to find that the shells of the Richelieu cannon have been simplified from physical cannonballs to energy cannonballs, and the energy required is atomic energy, which requires a nuclear fusion engine to charge it, and does not need any cannonballs, and the engine of the planetary fortress happens to be the nuclear fusion engine, which perfectly meets the needs of the Richelieu cannon.

In this way, Zhang Qiuhan can directly add the ammunition depot of the planetary fortress and delete it.

"That's it!" Zhang Qiuhan instantly entered the space armor, and at the same time, the transport robot transported all the materials on the surface of Mars, and followed Zhang Qiuhan to the outer space orbit.

————————————

"Alchemy!!" Zhang Qiuhan roared, and the 10 trillion tons of materials accumulated in orbit began to slowly evolve and transform, and gradually took the form of a planetary fortress.

Zhang Qiuhan first spent three hours building the main metal structure of the entire planetary fortress, and then spent another two hours building the nuclear fusion engine.

Then he took out his Richelieu cannon, installed it in the position originally reserved for the planetary cannon, and began to connect the nuclear fusion engine and the Richelieu cannon, as well as set up various control systems, and finally left a general control room for himself in a hidden position in the entire planetary fortress, which was used to control the entire planetary fortress.

Originally, according to the design, the general control room would be arranged in the core of the planetary fortress to ensure the safety of the entire planetary fortress brain.

But in this way, if you want to understand the all-round battle situation, you must rely on a large number of cameras to complete, Zhang Qiuhan felt that this was not good, and he could not understand the real battle situation at the first time, so he took the risk of placing the control room in the outermost position, using a large number of transparent space glass to protect the safety of the cockpit and ensure a wide field of vision.

Then, Zhang Qiuhan created various induction systems and computer systems, so that only the armor needed to be installed at the end, and the planetary fortress was built.

"Wait, it looks like there's a lot of material left!" After completing this, Zhang Qiuhan found that he still had 7 trillion tons of materials left, although most of them were alloys used to make armor, but also included some materials used to make main weapons.

After all, the entire main weapon system has been replaced with a ready-made Richelieu cannon, and these superfluous materials are naturally left.

"Tut, these too many materials can't be wasted, these remaining materials used to make the main gun, then all the materials used to make the secondary gun!" The corners of Zhang Qiuhan's mouth showed a spicy smile.

Originally, the Planetary Fortress was designed with 100 secondary guns, which were distributed in various locations of the Planetary Fortress.

Then Zhang Qiuhan waved his pen and used the remaining materials of these main cannons to directly build 300 secondary cannons, so that the secondary artillery firepower of the planetary fortress was directly increased from 100 to 400, which can be said to be full of cannon holes, which is terrifying and terrifying.

Moreover, Zhang Qiuhan also transformed all these secondary cannons into laser cannons, as long as they rely on the nuclear fusion engine to directly supply energy, and they don't even need a shell.

After completing the construction of the secondary cannon, Zhang Qiuhan finally began to dress the entire planetary fortress, installing layers of armor on the surface of the planetary fortress.

It's just that after all the armor in the original design was completed, Zhang Qiuhan was surprised to find that there were still several trillion tons of materials left.

"You can't waste it, then continue to put it all on, anyway, it's not hot to have more clothes!" Zhang Qiuhan chuckled, and more than a trillion materials had all turned into outer armor.

Originally, the outer armor thickness of the Planetary Fortress design was 10 meters thick.

However, under Zhang Qiuhan's subsidy, the thickness of the outer armor was directly increased from 10 meters to 15 meters, which is more than double if you simply compare the defense numbers.

As a result, this planetary fortress, which was originally only a mid-level civilization, was forcibly upgraded to the level of the peak stage of a first-level civilization by Zhang Qiuhan in terms of attack power and defense power.

There is no doubt that this huge planetary fortress in front of him is already a weapon at the pinnacle of a first-level civilization, just like the nuclear weapons of a primitive civilization, it has the terrifying ability to destroy an entire first-level civilization.

————————————

"What do you see that is? One more satellite in the sky! "At this moment, on the ground of Mars, half of the people raised their heads in shock and looked at the huge planet in the sky!"

Well, how shocked it is to suddenly have an extra moon on Earth, how shocked the Martians are at this time.

"It's finally done, everything I can do has been done, and then I just need to wait for the attack of the first-level civilization!"

Zhang Qiuhan returned to the ground, and the 12-hour construction, continuous use of alchemy, made Zhang Qiuhan tired, and as soon as he returned to the ground, he was so tired that he wanted to sleep immediately.

"Uncle Tai, did you make that thing in the sky?" Zhang Qiuhan, who was about to sleep, suddenly heard He Yuyan's voice.

"Hmm!" Zhang Qiuhan nodded.

"Then Uncle Tai, there will be a war tomorrow, right?"

"Yes!"

"Then if we lose this battle, we'll all die, right?"

"Hmm!"

"Well, as much as I would like to see that bastard now, but thinking that this could be a parting of life and death, then forget it...... When we're victorious and defeated the aliens, I'll go find him again! He Yuyan said leisurely, and in her voice, she suddenly choked up!

Yu Yan...... I ......" Zhang Qiuhan was stunned, he wanted to tell He Yuyan that he was Zhang Qiuhan.

But this 80-year-old guy, who had just built such a behemoth as the Planetary Fortress by himself, was timid at this moment.

"Should I explain it to Yu Yan?" Zhang Qiuhan said to himself, at this time, he obviously lacked real courage.

"Everyone, please, I think I should confess and leave a message here!"

"If you think I shouldn't confess, please leave a message here!"

Zhang Qiuhan left this task to the readers, and then felt the mobile phone on his waist vibrate.

New chapters have been updated.

"Well, the dawn of the dead has taken back the throne!" , Zhang Qiuhan just saw this, and a bright red prompt instantly occupied the entire mobile phone screen.

"System: This novel will be on the shelves in 8 hours, and at the same time, the first-level civilization will attack in 8 hours!!"

[PS: 8000 words, finally put the rhythm of the plot right, well, Zhang Lao can't see this paragraph, hahaha! ] 】