When Han Lang returned to the Antarctic base, he was greeted with unprecedented enthusiasm.

"Yo, Han Lang? You're finally back! ”

"I miss you to death, brother, just come back."

"Thanks to you this time, we can keep this precious relic, and we will work hard in the future!"

Han Lang smiled and greeted the people he met along the way, in fact, many of these people Han Lang didn't recognize, after all, he hadn't been in the Antarctic base for a long time, and he had always focused on training, and had never participated in the daily affairs of the base, and those friends who seemed to be extremely close to Han Lang had actually only met him once or twice.

But this does not prevent everyone from having a good impression of Han Lang, the hard-boned Han Lang, who on the earth doesn't know this name now, in everyone's minds, Han Lang may not be the strongest in combat power, nor the most exquisite in martial arts, but the bravest and hardest existence!

In the face of more than ten times the enemy, a person still rushed forward without hesitation, fought to the last moment, and even almost sacrificed his life, Han Lang's deeds are simply a legend in the eyes of everyone!

Due to the last incident, the security level in the base has increased a lot, and there are two special operations teams guarding the entrance to the ruins, numbering as many as twenty-two.

Han Lang looked at the silver alloy door and sighed lightly, this is the place where he witnessed Richard and Freeman die in battle, and now he is revisiting the old place, how can he not sigh in his heart.

Walking through this mysterious door, Han Lang finally came to the legendary prehistoric ruins, which were different from Han Lang's imagination, there were no luxurious decorations and wonderful sculptures, but more like a metal fortress, with huge halls connected to countless lanes.

Most of the tunnels are paved with steel rails, and truckloads of black ore are transported by electric transport railcars to a huge steel machine located on the side of the hall for grinding and screening, where the black parts of the ore are removed and transported by the railcars into the depths of the tunnels for landfilling, leaving behind a bright yellow crystal.

The crystals are very small, like fine pieces of translucent sand, and the workers are packing these crystals into boxes, and the amount of crystals collected is not large, and the crystals collected in a cart of ore are only a few kilograms.

Han Lang looked at all this curiously, the walls made of steel, the dome made of steel, the steel lanes, the walls and the dome have murals, depicting the complex galaxy in the universe, it seems that prehistoric civilizations are full of nostalgia for the starry sky.

Li Yu sighed and said with emotion: "This is a C-grade relic belonging to the earth, a prehistoric civilization mine that can produce good quality pyrogenic citrine, which is the kind of small yellow stone, which is used as an additive for the production of high-grade alloys, and the price is as high as 500,000 star coins per ton." ”

"The current output of the mine is a little more than a ton per day, and we will take this ore to the galactic open market and sell it, and the Federation can have 15 million star coins per month, and as the progress of the project accelerates, the output will increase, if it can reach three tons per day, it will be 45 million star coins per month."

"You know, the Earth Federation's income last year was only 50 million star coins."

Han Lang frowned and said, "I don't really understand, just developing a mine, can actually kill so many brothers in battle?" ”

Li Yu looked at the deep alleys and pouted, "Because there used to be dark beasts there." ”

Han Lang was slightly stunned, completely unaware of the existence of the dark beast that Li Yu was referring to.

"Follow me."

Li Yu took Han Lang into one of the lanes of the mine, where the workers were ordinary workers without superpowers, looking at their sweaty appearance, they must also know the importance of this mine to the earth, so they worked hard to complete their tasks.

The expected income of 45 million Star Coins per month is actually a drop in the bucket for a planet with a population of 1.5 million, and the equipment and medicines needed by 150,000 superpowers will cost a lot of money, not to mention the formation of a fleet.

So far, there is only one Flying Fortress-class cruiser on Earth, and this ship was still a prize given by the competition because of Clark's excellence and the top ten in the Galactic Conference.

But the size of the earth is also a country, a country has only one interstellar battleship, and people will really laugh at it if they say it, and it costs a lot of money to buy more warships and train shipboard personnel.

In addition, the Earth Federation also has to import some advanced energy, machinery, training equipment, and the Federation's diplomacy also has to go to nearby countries to walk around, which all cost star coins, so the earth is not a problem of poverty at present, but a problem of extreme poverty.

Han Lang followed Li Yu, and as they came to the depths of the alley, more traces of the battle began to appear, and the claw prints on the wall were more than ten centimeters deep, if they were caught on the soldiers, they would have been killed at that time.

Li Yu said while reminiscing: "Before the retreat of the prehistoric advanced civilization, many mines, research institutes, and bases were closed, and a large number of dark beasts were left in them. ”

"Generally speaking, the higher the level of the ruins, the stronger the dark beasts left behind, and the B-level ruins even have the mechanisms they set up, so it is not easy to clean up the places left by prehistoric civilizations and use them for us."

"Like this mine, it is relatively easy to get through the existence of C-level relics, and it still makes the attacking team suffer heavy losses, with the current strength of the earth, if you develop a more advanced ruin, I am afraid that it will be overwhelming."

Han Lang nodded slightly, thought about it in his heart, and asked curiously, "I don't know how this C-level relic is distinguished, how is the B-grade relic distinguished?" In addition, there is one more thing I don't understand, since the prehistoric advanced civilizations have withdrawn from the galaxy, why are they still making such trouble? If you don't want to leave a ruin, just blow it up. ”

Li Yu explained: "The classification of relics is a galactic practice to determine the value and difficulty of the ruins, the lowest level is the D-level, there is no threat, the C-level relics are more dangerous, but it is not impossible to attack, to the B-level relics means a huge risk, only the galactic powers have the ability to develop B-level relics alone, and low-level countries can only reluctantly develop if they ask for help from the powerful countries, or if multiple countries form a coalition." ”

"As for the A-level ruins, the difficulty is so high that it is unimaginable, even if the strongest countries in the galaxy join forces, they will not be able to completely open up the ruins, it is simply a forbidden area for humans, countless mechanisms, dark passages, and dark beasts."

"The purpose of the Galactic Conference is actually to find capable young people throughout the galaxy and join forces to develop several special A-class ruins, namely A-class No. 7 ruins, A-class No. 19 ruins, and A-class No. 23 ruins."

"These three A-class ruins are very special, there is a ban at the entrance, only young people under the age of thirty can enter them, Clark successfully opened the A7 ruins back then, and the comprehensive ranking is ninth in the galaxy, showing strong potential!"

"There is such a young warrior with great potential, although after the end of the Galactic Conference, there are still countries that propose to colonize the ball, but they have been vetoed by the Galactic Alliance, after all, in their opinion, a top genius like Clark has a great future, and it may be helpful to the Galactic Alliance in the future."

"It's a pity, after the Galactic Conference, he sent the Flying Fortress cruiser awarded to him back to Earth, but he didn't go home, and he didn't know where he went, and he hasn't heard from him yet."

When it comes to Clark, Li Yu can't hide the sadness in his heart, Clark has practiced with Li Yu and Tallinn, who are old-timers, and they have a master-apprentice relationship and have a deep feeling.

It's been almost ten years, and if Clark is still on Earth, how can the Earth Federation be so embarrassed, even those raiders will bully.

After a pause, Li Yu continued: "As for why the ruins were loaded into the dark beast and set up many mechanisms, it was because the people of the prehistoric civilization thought that they would return to the galaxy one day, so they carefully sealed their important ruins. ”

"They still want to come back?" Han Lang was puzzled: "Then I don't understand it anymore, the relocation of the whole clan is not a joke, how much financial and material resources will it cost?" If they want to come back, why should the whole family move away? ”

Li Yudao: "Maybe they encountered some difficulties, in short, prehistoric civilization is the biggest mystery of the galaxy, generally speaking, the collective relocation of a race is often because it is threatened, just like the Turkic tribes living in western China in history, due to the attack of the Han Empire, had to move to Europe. ”

"There are countless examples like this, judging from the current development of prehistoric relics, the intelligent creatures who lived in the galaxy before human beings have a very high level of civilization, and human beings have only obtained a small part of the scientific and technological achievements of prehistoric civilizations, which have already made us infinitely useful, and the warships that can cross the sea of stars, and the fusion power technology that provides free energy for the world are all remnants of prehistoric civilization."

"In fact, no one knows what kind of threat this powerful prehistoric civilization is under, so they make up their minds to move the whole clan to an unknown distance, but one thing is certain, what can cause the prehistoric civilization to completely leave the galaxy must be a very dangerous enemy, and this dangerous enemy is likely to still exist somewhere in the galaxy, but it is still asleep, not awakened, and we don't know about it."

"In any case, the galaxy is chaotic and dangerous, as a member of the galaxy human race, our earth is too weak, only if we are strong ourselves, it is possible to resist threats from the future and from afar."

"What I can do is to do my best to develop the relics, as long as the earth has economic resources, it can slowly accumulate strength, and you have to find a way to enter the main tournament of the Galactic Conference, I also believe that you have such strength."

Han Lang nodded heavily, "Don't worry, I will definitely do my best, as far as I know, there seems to be a group of specially cultivated young warriors in the headquarters, they should also be able to advance to the main competition, right?" ”

Li Yu said with a solemn expression: "It's hard to say, now they are all in retreat and cultivation like you, and they didn't participate in the second half of the fighting competition, by the way, you will be able to meet this group of geniuses soon, and Chenzhong, monk, this time the first legion is formed, they are all coming." ”

Han Lang was very happy when he thought of Chenzhong and the monk, although they had not known each other for a long time, they had fought together, and they were excellent friends.

In the blink of an eye, Han Lang and Li Yu have come to the end of the roadway, the steel rails are still paved, and the pit will soon start to be excavated, providing valuable financial support for the earth.

Li Yu looked at the bloodstains left by the battle on the wall, and said in a deep voice: "If the Galactic Assembly can't break through, in order to prevent the earth from becoming a colony of other countries, the only way is to forcibly open the B-class ruins, so that we, the only superpowers on the earth, will fight for it in the end." ”

Han Lang was stunned and asked in surprise, "There are still B-level ruins on the earth!?" ”