Underground Alliance.

The stone fortress is brightly lit.

Thousands of computers are placed in a large room, and soldiers are busy operating drones to collect mushrooms.

This opportunity is rare and will not last more than a month before the Zerg army will come back again.

Suddenly, a soldier shouted at the top of his lungs: "Sir, our D-12213 drone has discovered a mechanical creation of an unknown civilization!"

"I asked our brothers and wenming, they don't have this style."

"The other party seems to be writing?"

Several military leaders lay in front of the screen, staring at each other, and discussed for a long time.

"This means... there may be an unknown civilization that left the safe zone and appeared underground!"

The "Underground Alliance" consists of three powerful races and nine minor races.

The most powerful civilization among them is the civilization that discovered the "cave sky" and has the "gear inheritance" - the Dark Steel Civilization!

Their individual appearance is a bit like a relatively short humanoid species. The male individual is about 1.5 meters tall, 1 meter wide, and weighs 150 pounds. He looks like a lump of muscle.

The female individuals, on the other hand, are slender and graceful, with an average height of 1.6 meters and cyan skin, a bit like the "dark elves" living underground in fantasy novels.

"A brand new underground race? Or a technological civilization...Did they just open the safe zone?"

"Oh, I missed a good opportunity for development. Now, the Zerg race has grown stronger, and they will breed again in less than a month. By then, they will be finished!"

The leader of the Dark Steel Civilization frowned tightly. The first thought that came to his mind was: Should we accept the foreign civilization and develop together?

Cave Sky—a relic of the Gear Civilization!

The powerful gear civilization has buried treasures all over Pangea, and one of them is here.

This mysterious extraordinary creation has a very magical feature: as long as you invest in illusory "civilization points", the volume of the cave can continue to expand, even to the size of a planet!

This is also the main reason why the Dark Steel Civilization is willing to absorb other races and form an alliance.

One of their civilization "points" is simply not enough!

The second thought was, come on.

Now that the Underground Alliance has matured politically, it is difficult to accept other species...

Every civilization has its own ideas. The so-called "alliance" and various internal wranglings are also very troublesome.

What's more, for leaving the safe zone so late, he probably has a timid and fearful civilization and doesn't have many civilization points.

Because the development time after leaving the safe zone is 100 times that in the safe zone! How many points can a civilization that has just left the safe zone get?

If the cave cannot be expanded, it will become a burden.

The leader shook his head and thought in his mind: "If the other party is about to be exterminated, just give some relief. We still need craftsmen and scientists urgently."

"Even if they have fewer civilization points, we still need them."

"Other people...we don't have much spare power to provide relief...after all, our own living space is not enough."

He discussed with several other alliance leaders for a while, and thus happily decided on the general policy of contact.

When contacting an unknown civilization, they... are familiar with it!

I have to admit that as the "lead" of the Dark Steel Civilization, it is quite fair in doing things. With 12 civilizations crowded together, there will naturally be various conflicts and conflicts.

Today, the conflict has not spread and is the result of long-term mediation by all parties.

And sparks of thinking often appear in collisions. There are more exchanges and the speed of development is greatly accelerated. Even the weakest feudal civilization has gradually acquired electrified equipment after so many years.

They think their alliance is developing quite well!

It is definitely much stronger than those civilizations that have just left the safe zone.

Under this kind of thinking, the highest level of the alliance issued an order: "While the insect swarm is greatly reduced at this moment, invite them to meet... It is better to communicate with each other than to be ignorant."

"We can't bear it, they were wiped out by the Zerg..."

"Guide their drones into our carefully built 'Shitong Fortress'. And invite the other party's diplomats to visit us. Alas, the Zerg's combat power is very powerful, so they must be careful."

"yes!!"

The general in the fortress saluted at the big screen: "Do you have any other requests?"

The highest level instructed: "The plan for civilized contact is to follow the regular VIP-level treatment..."

"If they have enough civilization points and show their worth, we can even accept them!"

"But don't mention this during the communication process... Just find out how many civilization points they have. This is the top priority!"

"Understood." The general nodded seriously.

Then he turned around, ordered his subordinates to prepare various diplomatic ceremonies, and dispatched various cannons, equipment, and experts to the front line.

The process of civilized exchanges is quite simple: one side shows one's own wealth, and the other side shows its army and force.

As for red dates and big sticks, every intelligent civilization has a similar set.

There is no point in hiding it. Weapons can only be a deterrent when placed on the launcher!

…

It’s not that the Underground Alliance is naive, this is actually a relatively normal way of thinking.

Most civilizations, without any additional information, are completely unaware of the dangerous current situation of Pangea!

They don't know that "soul" and "god's skills" become aura, and even the concept of "aura" has not yet been formed.

The 12 rookie civilizations and bad chess players came into contact with each other and even developed confidence.

When there has never been a conflict of civilizations, there will indeed be a tendency to cooperate and communicate...

They even feel from the bottom of their hearts that their own set of procedures is quite reasonable.

Of course, Darksteel Civilization also kept an eye on it. The location of this exchange, "Shitong Fortress", was located outside Dongtian. It was a large defensive building built in a mountain peak.

Even if the other party is really malicious, as long as the location of the "cave sky" is not exposed, the risk is still controllable.

…

Just like that, the human drone followed the insect-shaped aircraft of the Underground Alliance and flew a distance of about 25 kilometers.

He followed until he flew into a dark and damp cave, and then climbed in slowly.

The competition of science and technology has begun from this moment!

If the technology of the drone is not high enough, it is easy for the propeller to hit the wall, which will make everyone laugh.

What’s more critical is the drone’s signal!

This cave with twists and turns has isolated most of the radio signals. At this time, there is a high probability that some supernatural fluctuation signals in the spiritual realm can be used to control it properly.

(If it is pure physics, it is not impossible to do it, but it requires neutrino-level communication level, which is the method of interstellar civilization.)

It took the Underground Alliance more than eighty years to solve this problem through idealistic means.

I saw the human drone following the ground steadily without any signs of losing control.

All the members of the Underground Alliance were shocked. "This unknown alien civilization is not weak in its idealistic strength..."

…

For humans, it is another mentality.

Everyone stared attentively.

Be careful when facing alien civilizations.

The scene inside the alley is a bit dark...

There are some ferns growing on the walls, and there are also traces of acid corrosion and gunpowder bullets.

But occasionally, monitoring devices and some gun muzzles can also be seen, which are suspected to be flame-throwing devices.

"This place is really like a maze... Without each other's guidance, we would never be able to find it in our lifetime." Lu Yuan sighed.

"But this project is not small, it is an underground fortress."

"The other party must have been in business for a long time."

After turning a corner, the surrounding environment suddenly became spacious and bright!

The area of ​​this large room is about 100 square meters. There are some fern bonsais placed in it. These plants can grow with only a small amount of light.

There is an electric light on the ceiling.

There is a large round table in the room.

Some alien beings are surrounding the large round table.

What appeared on the big screen was a short, extremely burly humanoid creature with thick eyebrows, big eyes, and well-developed muscles.

He was staring at the human drone with wide eyes, picked it up seriously, placed it solemnly on the table, crossed his hands, raised it above his head, and bowed lightly - this seemed to be a etiquette?

Then he took a pen and wrote some words on the blackboard behind him, while speaking some strange language.
To be continued...