Chapter 512: The Main Nest

Fourth, tissue regeneration: In order to transport the ground units of the swarm on any battlefield or ground, the tunnel worm can be infinitely elongated through the on-demand tissue regeneration function. ∈↗ is small, because it is connected to the wormway network, the wormway network can provide the nutrients needed by the tunnel worm, so that the tunnel worm can expand and replicate its cells under a simple command. Excess tissue will be assimilated again after the Nydus Worm returns to the wormway network.

5. Creep Glands: Although Nydus Worms produce a lot of rubble when digging, they dispose of the waste in a very efficient way. First, crushed rock and soil are covered with a corrosive creep that secretes from glands in the worm's mouth. When these rocks and soils are liquefied, these substances are transferred through a pair of glands to a special interlayer under its skin, allowing the tunnel worm to support the tunnel with its own skin and skeleton.

If Bechymos and Leviathan are the space carriers of the Zerg, then the Nydus Worm is the submerged channel of the Zerg, which can create underground passages in the planetary environment to transport Zerg troops.

Just imagine, if in the environment of planetary landing warfare, the side and rear wings launch a sneak attack based on tunnel worms while cooperating with the ground force attack, how will the enemy commander feel when he knows it?

Tang Fang felt that if it was him, he would definitely not be happy.

The cost of the wormway network is 150 crystals and 200 gas. Like the spine crawler, it does not occupy population.

Next is the three bases of the Zerg, the main nest.

After the Zerg base is upgraded from the Bug Lair to the Main Nest, you can unlock some upgrade items and a new Zerg flying unit --- the flying snake.

The upgrade items include the puppy's "evolved adrenal gland" and the so-called "mad dog". In addition, the third-level offensive and defensive items related to the evolution chamber and the spire of the Zerg unit are also unlocked.

As for the flying snake, the flying snake inherited the support role played by the scorpion before the Zerg. The flying snake assembled several vicious biochemical weapons to weaken the enemy's combat effectiveness and provide the Zerg with an advantage on the battlefield. The abdominal cavity of this flight unit harbors a thick microbial mucus. When the ranged units approach, it sprays a ferocious mixed liquid in the air, making the enemy lose their attack effectiveness within the poisonous mist envelope. Enemies attempting to escape to higher ground are quickly pulled back by the Viper's powerful nose tube, allowing the Zerg to gain an advantage over any terrain. When injured, Vipers can absorb bioelectric energy and nutrients from other Zerg structures, quickly heal the damage received and return to the battlefield to continue fighting

The main structure of the flying snake consists of 5 parts.

One, the elastic tail: The function of the flying snake's tail is basically similar to that of its prototype polluter (scorpion). But its further evolution allows the flying snake to maintain balance and direction during flight, and even has the function of turning. However, the most peculiar configuration of the flying snake's tail is the ingrown crystalline spikes on the surface of the tail tip. These "crystals" release powerful pulses,

Let the flying snake accurately locate the target.

2. Serrated forelimbs: Although the appearance is scary, the Zerg chose to remove the aggressive function of the forelimbs, so that it only has a simple auxiliary grasping function. The protruding spines consist of a porous bony structure and connect directly to the flying snake's lymphatic system. Allowing it to impale and immobilize prey without causing fatal damage. While stalking, the spikes release pheromones that trick poor prey into mistaking the flying snake for a harmless, non-threatening creature.

Three, diseased blood: polluters (scorpions) are derived from degenerated cancer-causing pathogens, and are essentially genetic fragments left over from other zerg. This primitive support weapon is harmful to both the enemy and the zerg themselves, and after the Brood War degenerates into a useless organ. Now that the zerg require specialized new lines, they appear to be using the gene pool of an unknown species to revisit and improve the Defilers into flying snakes, retaining important functions. And strip out unnecessary lethality.

Fourth, the snout for grasping: This elongated organ is the digestive system of the flying snake. Can extend to the entire length of the flying snake, just like a frog uses its tongue to catch prey, the flying snake will forcefully pull back the flexible intestine, grab the target and drag it back into the body

5. Tissue absorption: Flying snakes can break the ion chains in the hardened tissue of the insect nest to produce a nutrient-rich liquid. This liquid can activate a large number of microorganisms in the blood of the flying snake to generate and supplement the bioelectric energy of the flying snake.

The Flying Snake is positioned as an auxiliary unit. It has almost no attack ability, but its three skills are very powerful in the battle mode, and no additional upgrades are required, namely "swallowing", "kidnapping", and "blinding poisonous cloud".

"Swallowing" is to use the characteristics of tissue absorption to increase energy and life by absorbing the ion chains in the hardened tissue of the Zerg building.

"Kidnapping" means dragging the target to the position of the flying snake. Field control skills in battle mode.

The "Blinding Poison Cloud" turns the attack range of ground units and buildings under it into melee combat, which can be called the nemesis of long-range units.

In terms of cost, it needs 400 crystals and 800 gas, and occupies 3 people, which is 4 times that in the game. It must be more than 40 meters long.

Tang Fang feels that if the flying snake cooperates with the queen to deal with the army, it will have a miraculous effect. If it is to deal with the threat in the air, it feels a little stretched. "Kidnapping", a skill that is very effective in battle, is useless in reality, because the current human society The smallest frigate in the warship system is also more than 100 meters high. The "kidnapping" of the Flying Snake can only deal with small-sized units such as aerospace fighters, various types of drones, and shuttles. It depends on whether others will give it. face.

Although the appearance of flying snakes cannot bring about an upgrade of the air force's combat effectiveness, the appearance of the main nest is very timely. The war between the Star Alliance and Monya and Sulu may start someday. Black 7's "Anubis" "The Legion is also watching closely. The Corruptor and the Flying Dragon are the main combat units of the air force under them, and they urgently need to improve their combat effectiveness again.

Thinking of this, he first pressed the button to evolve the worm lair into the main nest, then spent 2000 crystals and 2000 gas to add the puppy's "evolution adrenaline" to the upgrade list, and finally moved to the menu bar of the steeple, looking at the unlocked " Evolved Flying Creature Attack Level 3" and "Evolved Flying Creature Carapace Level 3" came back to their senses and sighed bitterly.

The two upgrade items require a total of 11 crystals and 11 gas, but the total resources are only 1069345, 168014 now.

He recalled that Tang Lin had collected a total of 3 tons of zero elements when cleaning the Hellbat-class destroyer. This level of zero element reserves was quite high for a destroyer. But to him, it's only 3000 gas, even with the "Ghost Bat" in Bechymos' belly, it's no more than 6000.

The resources of the "Tree Demon" have reached a terrifying 20,000 crystals and 12,000 gas. He believes that there must be more than one "Tree Demon" in the "Akron" formation, but after the fierce battle just now, he does not want to be in such an underground place again. The environment is hostile to other "dryads". Even if they have extremely high resource value, there are still zero element veins distributed in the formation.

Among the other ways to obtain zero elements, the most convenient and also the most productive is to rip off the government. You must know that he has just obtained nearly 10,000 tons of zero elements from Adam Oliver and other military enterprises, and he has made trouble so quickly The words are inappropriate, anyway, we have to wait for the Star Alliance, Mengya, and Sulu to fight, and then we can make a fortune.

Since you can't be ripped off, there is another way --- buy! He bought it with the huge sum of 800 billion yuan in his hand, but the market is not very good if he buys it now. Because all countries are actively stockpiling zero element resources to expand their armaments, the price of zero element has risen sharply recently.

This is not good, and that is not good, he was a little upset for a while.

otherwise……

"Tang Fang, what are you doing? If the river doesn't come out, the hole will be filled."

Just when a flash of inspiration flashed in his mind and he thought of a good way, Zhou Ai's voice rang in his ears, and he turned his head anxiously. I saw that the sparkling water reflected under the light had already reached Thor's chest, and would flood the cockpit in a moment.

He hurriedly took back the system space of Thor, who was suffering a lot, and handed it over to S for repair. Then summoned a flying dragon, hugged its body, drilled out of the "water curtain hole", and returned to the firepower platform.

Zhou Ai had already disembarked from the Banshee fighter plane, and Roy sat on the ground, his face pale without a trace of blood, holding a compressed biscuit in his hand and stuffing it into his mouth as if he hadn't eaten enough in eight lifetimes. The two cheeks are bulging, like a pair of meatballs.

"died?"

Tang Fang ǎǎn nodded: "Dead."

Even though she had already guessed, the girl still let out a long breath, looked at the river extending into the darkness and said, "Go back, I don't want to stay here any longer."

A few rocks fell from the gap between Bechymos and the surrounding stone walls. When I fell into the river, there was a splash of water, and there was a strange smell in the air, and the moisture soaked through the clothes, making it very uncomfortable to stick to my body.

Tang Fang agreed, put away the ground units of the human and god races on the firepower platform, and released a detector to investigate the current structure of the large void along the gap between Bechymos and the surrounding stone walls, looking for the tunnel that he passed through when he came.

About 5 minutes later, a piece of news came --- bad news.

What he was most worried about happened. The tunnel leading to the ground collapsed in a large area during the turmoil just now, and the entire rock formation was crushed.

"The tunnel we came in collapsed."

He summoned a nurse, threw a bottle of vitamin drink to Roy, who was choking on his chest from the compressed biscuit, and said the bad news with a sullen face.

Zhou Ai said subconsciously: "So, we are trapped here?"

Tang Fang nodded, then shook his head: "If you use the swarm, you still have a chance to escape, but it will take a lot of time, and it's... a little dangerous."

Cockroaches are experts at digging holes, and they can dig a tunnel to the surface. According to the data provided by Emma, ​​the current location is about tens of kilometers away from the seabed. If the cockroaches are used to dig with all their strength, it should be completed within half a day.

This is not the key point. The key point is that after the tunnel is dug through, facing the strong water pressure in the abyss area, how will they go up? The Nighthawk deployed on the Creep Island just sent a message that the lower half of the Creep Island collapsed due to the violent plate movement caused by the three people fighting the "Dryad" underground, and has now drifted away from its original position.

Before setting up the Creep Island, he asked Emma to analyze the topography of the bottom of the sea area. From the model diagram, it can be seen that this abyss was caused by violent plate collisions. During the impact, one plate subducted and the other lifted. , forming the structure of the abyss, and even the formation of the large underground cavity is the result of plate collisions.

During the battle with the "Tree Demon" just now, its root network opened countless honeycomb-shaped tunnels in the nearby strata, causing the geological structure of the entire area to be extremely unstable. If tunnels are still dug from this area, it is easy to cause the strata to collapse. It fell short, and even buried three people alive. Moreover, even if the tunnel leading to the bottom of the sea is opened safely, the difficulty of building a crepe island from the abyss upwards is not at the same level as that from the water surface. If there is no sea surface to disperse the pressure, it will be destroyed The huge water pressure burst.

Zhou Ai didn't ask too many questions, because she knew that Tang Fang had always considered issues comprehensively, since he said there was danger. That must be unsafe, so he frowned and said, "Then what should we do? We can't just stay here...By the way, we haven't gone back for so long, will Tang Lin, Tang Yun and others on the Hercules transport plane be in a hurry?"

"I have ordered the transport plane pilot to tell them that there is a little trouble underground, and there may be a delay."

Little trouble... Roy hiccupped, looked around, and thought that this was a little trouble, thanks to Bechymos holding up the surrounding rock formations that were about to collapse, otherwise the three of them would have been buried alive by the rubble. To the "Tree Demon" buried.

At this time, Tang Fang looked at the direction of the river valley and said, "There is a way, let's go." He jumped down the river valley, went down the river, and swam to the other side of the river.

Roy quickly put on his mask, and followed Zhou Ai along the river along the river, leaving the large hollow area. Enter the dark, gurgling underground valley.

These come from nowhere. The running water where I don't know where it is going is not cold, but rather warm, like sea water warmed by the sun in summer, suitable for swimming, but the three of them have no interest in playing at this moment, after leaving the big hole. The channel of the river became narrower and narrower, and the flowing water almost filled the tunnel, and it became more and more urgent.

Tang Fang summoned a king worm, let it use its whip to fix the three people so that they would not be washed away, and walked along the rushing water and narrowing river.

I don't know how long it has been. According to the swimming speed of the king worm, it is estimated that it is about 100 kilometers away from the big hole, and the river channel has become wider. According to the terrain data sent back by the detector, there is a curve ahead, and the speed of the king worm slows down. The monster appeared in the water, and shot three blue light beams towards the stone wall at the corner, opening a cave half as high as a person. The king worm flicked his whip and pushed the three people into the cave.

After standing still, take back the king worm and the stalker, recruit another mechanical sentry, set up a force field at the hole facing the river to block the flow of water, and then order the mechanical sentry to use the disintegration ray to continue digging the tunnel forward.

The water level slowly decreased due to the expansion of the tunnel, and the bodies of the three people were able to drill out of the water. Roy turned on the -20a searchlight and shone on the rock wall at the top of his head. Condensed water droplets fell, hitting the water surface and making a light ticking sound. Look back At the entrance of the cave, there is clear flowing water on the other side of the transparent stand, like a scenic spot in the aquarium, but there are no good-looking or vicious fish.

Zhou Ai and Tang Fang walked side by side, staring intently at the rapidly expanding tunnel under the action of the disintegrating ray, and still did not ask why. It is certainly a joy to be able to return to the ground, but to be able to explore underground with him, It's also a joy, she likes to take risks, especially if she can be with the people she likes, of course, it would be more perfect without the light bulb in the back.

Ten minutes later, the tunnel expanded to nearly a kilometer, and the water poured into the cave had fallen back to the knees.

At this time, the mechanical sentinel stopped digging, and another tunnel was opened on the left side of the tunnel, enough to accommodate three people. Tang Fang called the three people to hide in the tunnel, retracted the mechanical sentinel, and raised the -20a to replace it with an armor-piercing grenade. Pull the trigger against the stone wall at the end of the tunnel.

The armor-piercing grenade pierced through the stone wall, leaving a bullet hole of tens of centimeters at first, with some cracks around it. In the next second, water seeped out, and in just two breaths, with a bang, the stone wall collapsed, and the torrential flood flooded into the tunnel wrapped in gravel, causing the water level to rise rapidly, filling the entire tunnel in a short time.

Tang Fang greeted the two of them, got out of the pit, and swam into the long underground river beyond the collapsed stone wall.

Zhou Ai and Roy followed closely behind, passing through the breach of the stone wall, and suddenly felt a lifting force coming from below them, and the upward surging turbulence pushed the bodies of the three to climb rapidly.

This long river is very different from the previous large hollow underground valley. It is not a reciprocating underground water vein, but a waterway leading directly to the bottom of the sea. Roy was puzzled and asked about the origin of this waterway, so Tang Fang took Emma The explanation is repeated.

In fact, in addition to some shallow groundwater, the underground water system is also distributed in the deeper mantle of the planet, and the number is even larger. There are two sources of water in the mantle.

The first source is that minerals contain some free hydrogen elements. When these hydrogen elements meet oxygen elements, a chemical reaction occurs in the underground environment, thus forming water.

The second source is that the collision between oceanic plates will cause large-scale formation fractures. When the subducting plates go downward, they will also bring seawater into the ground, thus forming deep water accumulation.

In this context, after hundreds of millions of years of evolution, the water in the mantle has accumulated more and more, and because of the intense underground activities, the deeper the formation, the stronger the pressure. Once cracks appear due to geological movements, the water in the mantle will be like a bearing Pressed water rushes from the depths to the ground like this, the above is the origin of this long river.

Roy praised: "Brother Tang knows a lot."

Tang Fang didn't blush or breathe, and said, "That's right."

Zhou Ai snorted coldly, saying that he was shameless, and only a fool like Roy would believe his lies.

Tang Fang laughed a few words to hide the embarrassment on his face. Even though he was covered by a mask, he was not afraid of being seen.

………(To be continued..)

ps: Thanks to Honey Sauce, Tianma Meteor Cannon, and Bai Shanjun for their rewards