Perseus arm, centaur arm, swan arm, shield arm, Orion arm are the five major spiral arms of the galaxy.

Although the Orion Arm is the smallest, it is not just a secondary spiral arm as the earthlings think, and it actually originates from the Silver Heart.

The five spiral arms are divided into upstream, midstream, downstream and end.

Each segment is divided into five celestial regions, each with a minimum of one billion and a maximum of ten billion stars.

There are 100 celestial regions and nearly 300 billion stars.

It is worth mentioning that the main cradles of life in the Milky Way are only in the middle and lower reaches of the major spiral arms. As for the upstream and the end that are too close to the silver heart, there is almost no natural place to give birth to life.

If you light up all of these origins, you will find that they form a ring, and it is exactly the area that covers the entire golden section of the galaxy.

This ring is called the Life Source Ring.

Of course, this is not to say that it is absolutely impossible to give birth to life if it is not in this source ring, but the probability is extremely low.

Ninety-nine percent of all life is born on the life source ring, which is a statistical result and a phenomenon that already exists, and as for how to explain it, the major civilizations have not yet been decided.

In short, for this reason, many Celestial Regions do not have native life, and all of them are colonized areas.

Among them, the area close to the silver heart is the twenty-five upper heavenly regions.

These twenty-five upstream celestial regions all belong to the Star Alliance, which is called 'the common wealth of intelligent beings in the whole galaxy'.

Of course, through means such as the Galactic Battle Conference and the Virtual Universe War, all civilizations are qualified to slowly carve up there.

In every upstream celestial region, there is a Metroidvania City, which is the main city built by the Star Alliance.

However, only the Metroidan City in the five Heavenly Regions closest to the Silver Heart can be regarded as the headquarters of the Star Alliance, collectively known as the 'Five Capitals of the Galaxy'.

Named after entropy, light, time, space, and mass, they are the supreme power centers of the galaxy. The last civilization congress was held in the 'Entropy Capital', so the next time it will be in the 'Light Capital'.

Galaxy 5 is not accessible to everyone, and the remaining twenty Metroidvania are more casual, where all the 'pan-galaxy specifications' events, competitions, and big events are held, and there are often various activities of the Star Alliance.

If you want to participate in the Galactic Battle Conference, you can go anywhere, and Seti goes to the Sixth Galaxy City.

So at this moment, Huang Ji and others also came there.

I saw the Kunlun come out of the wormhole and was immediately forcibly connected into a purple bubble.

"When you come in, you can't see anything, what's going on around you? We're surrounded by a purple mass!" the dragon exclaimed, looking out the window.

Huang Ji said calmly: "Metroidvania is not like other places, we have to store the spaceship, including all weapons, special equipment and other prohibited items. ”

"This little brother is right!" a brisk voice echoed in everyone's hearts.

Everyone was startled, and Fez turned back sharply, only to see a blue head on top of the edge deck of the Kunlun.

The blue-light creature came in directly through the ship, half of his body still outside, ignoring the thick armor of the ship.

"Hello, light elf, my name is Huang Ji. Huang Ji smiled.

"Hello, well, there's no record of you, it looks like you're coming to Metroidvania for the first time. When we first met, I was the usher, so please remember my name, my name is Milk Enemy!Thank you!" the blue-light creature named Milk Enemy said in an extremely happy tone.

Immediately afterward, He began to change shapes, imitating the crowd and becoming the silhouette of the Astral Terrans.

Of course, it's just the outline, and the body is still made up of blue light mist.

"What kind of creature is this? It looks like a ghost. Vali muttered.

An Luban next to him said helplessly: "What are you usually learning? This is the strongest slave race in the galaxy, an energy life that is scientifically known as neon light source primitives. If it is commonly called, it is enough to call it a light elf. ”

"Eh, it's a slave race......" Vali was stunned.

Anluban aspires to become a great explorer, so he naturally often consults the customs and ethnicity of some places.

He explained: "They are intelligent beings created by the lonely people, one of the five permanent civilizations of the Star Alliance, they are born with their own energy control field, they can freely manipulate energy, as long as there is energy, they are immortal, and the conventional way of destruction is ineffective against him, and they can be reorganized if they are broken." ”

"There are four major varieties: red, blue, white and blemishe. The red one is worth 200 million, and this blue color is mainly driven by the Star Alliance, and there are few officials who transfer it, and there is no pricing. ”

"As for the white color and blemishes, they are all used by the lonely people themselves, and they are not for sale! Among them, the white light elves may occasionally be used as diplomatic gifts for some great civilizations. ”

"And the Blemish Light Elf is an existence that outsiders will never get their hands on, and they are only loyal to the lonely. ”

Vali was confused, "What color is the flaw?"

An Luban shook his head and said, "A purple color that we can't see, it can be said that even if that light spirit stands in front of us, we can't see it. Of course, we can sense each other through electromagnetic induction, but we can't physically recognize the color of their bodies. ”

"This is a typical blue variety, and its energy intensity is at least Krypton level 36, because this is the level when the blue variety was created. ”

"Also, as expected, what we see is only a part of the body of the milk enemy, who, as a receptionist, should be serving tens of thousands of visitors at the same time. ”

"......" Vali was shocked, "and even ...... doppelganger"

Luo Yan said on the side: "Don't judge in front of others." ”

"It's okay, it's the perfect slave, and I don't think it's bad to be a slave at all. They feel pain and disgust when they disobey their master's orders, and they feel guilty and sad if they don't complete their master's task well. ”

"They will never betray their master, and if they are kind to them, they will remember it, and they will be happy if they have a little tenderness. ”

As he spoke, the milk enemy nodded very smugly: "Yes, yes, yes! That's it!"

"The milk enemy is super happy! Obo is a galaxy...... No, he's the best master in the universe! The thought of seeing him in thirty days makes me so motivated!"

Seeing the pride and reverence on the face of the milk enemy, Lin Li couldn't help but ask, "Is your master so good?"

"My lord is an official official of the Star Alliance, and he is one of the top ten administrators of the reception of wormhole No. 74 in the sixth galaxy city of the Star Alliance, Arcturus neighborhood! As long as I run out of energy, he will let me recharge my energy! What a gentle adult!" said the milk enemy happily, falling into self-emotion......

Everyone was stunned, and the owner of the milk enemy didn't sound very powerful...... It's just one of the ordinary people in charge of inbound reception.

And...... What does it mean that 'as soon as I run out of energy, he will recharge me'? Isn't that nonsense?

When he is hungry, he should let him eat, isn't it a matter of course?

Looking at the self-moved appearance of the milk enemy, everyone couldn't help but sigh: It is also a race of slaves who created slaves, and the little gray men created by the Anunnaki are simply rubbish!

From a business point of view, the Light Elf is a true masterpiece!

After chatting with everyone for a while, the milk enemy quickly introduced the rules of Metroidvania to everyone.

First of all, it is not allowed to carry any weapons and other prohibited equipment, and everything must be stored at the wormhole reception.

Ships, mechs, and even colonization equipment are all not good.

In other words, the people in Metroidvania are all naked, and the strongest foreign object they can bring is the Void Life.

Void life is not an equipment, but a symbiote, which is equivalent to a probiotic in the stomach, so this is something that is allowed to be used even in the game.

Similarly, there are strange nano bee colonies and high-energy cell chains, all of which are 'probiotic' properties and can be carried.

One by one, everyone unloaded their extra equipment and weapons, and completed the entry registration.

"Milk enemy, this is the cost of entry, and I have to hire two more of you. Huang Ji said after transferring a large amount of money.

"No problem! The milk enemy said happily.

Because hiring him to accompany him throughout the whole process is an additional charge item, which belongs to the master's performance, so the milk enemy is very happy.

In a place like Metroidvania, the ushers of the milk enemy are equivalent to living 'offices'. You can do anything with Him, like register as Metroid and check all kinds of information.

You can also call for vehicles, arrange accommodation, and run errands for shopping......

Huang Ji temporarily hired two small ones, and left the purple bubble with the group.

The spaceship and all other foreign objects are left in the bubble, which is equivalent to a locker.

After everyone came out, they could also see that there were such bubbles everywhere in space, all of different sizes, neatly arranged.

Creatures from various civilizations, bustling along with gravity, fell towards a huge ...... Sea.

The spherical sea, larger than the sun, is mainly white but has a light blue sheen.

"Puff ......"

Everyone fell into the sea and was directly stunned.

"Is this really water? this ...... Such a big ...... It doesn't collapse! It's still in a liquid state!"

"The water temperature is ...... 67℃？”

They thought that Metroidvania City was so prosperous, a vast and majestic building, but they didn't expect to fall into a body of water bigger than the sun first!

"This is the Sixth Galaxy City, Longqin Lake in the Arcturus neighborhood, created by an artist of the Dragon Clan, and it is the most conspicuous landmark at the exit of Wormhole 74. Whether it's on the surface of the water or in the center of the lake, the water pressure is the same!"

Lin Li was stunned: "Where is the Metroidan City?"

The milk enemy stretched out his hand and spread out a blue light mist, which soon formed a three-dimensional picture no less than a holographic projection.

It was a star map, composed of nine planetary systems that were extremely close to each other, running through translucent light paths, forming a tree-like map as a whole.

"These nine stars, which represent the nine blocks, together are Metroidvania. The Sixth Galaxy City is designed in the shape of a tree, so it is also called Tree City. ”

"Here we are, in the gravitational range of Arcturus at the bottom of Tree City. However, Arcturus is not big, and the mass of Longqin Lake is twice as large. ”

"That's right, you're here just in time, you can watch the sunrise!"

As the milk enemy spoke, a red sun rose below the horizon......

The sun shines on the vast balloon of water, reflecting colorful light and forming a rainbow atmosphere.

They had never seen such a big rainbow, across the sky, layer upon layer, each layer of color tens of thousands of kilometers thick!

It looks like a giant seven-colored piano spread on a large water balloon!

Lin Li and they were all stunned, and their hearts said that this is a lake under their feet, this is a liquid planet...... No, liquid stars...... No, it's a super-large liquid object that nature could never have born.

A star orbits around it, shining with seven-colored strings. As the stars moved, the strong solar wind blew the wide rainbow and sparkled in bursts, and the rivers of light of different colors disturbed and swayed like the aurora, like this arcturus plucking the strings.

Huang Ji said with emotion: "Relax the electromagnetic wave receiving channel, you can hear the sound of the piano." ”

"Piano?" Sophia was stunned as she widened the receiver of the only portable flying brain she could carry.

After translating the electromagnetic waves into audio, sure enough, everyone heard the melodious music, its timbre melodious, and the rhythm was exciting.

"No wonder it's called Longqin Lake......"

"The music of the dragon clan is really magnificent. Lin Li said with emotion.

The art of humans and dragons is almost the same, and any earthling can appreciate the same wonders as dragons.

......