Sun Dashuai was observing a captured slug at this time.

The slug was large and soft, its body almost blending in with the surrounding color, and a dozen tentacles on its head swayed slowly in the air.

The Sapper Bug housed it in a huge worm chamber on the side of the palace, which took up almost a tenth of the space.

Arlina walks into the chamber, grabs the slimy slug, and flips around its body. After a while, she found something that was not transparent, it was flat and slightly curved, like an air bag.

"What is this?"

"Maybe this is the organ that shoots saliva, right?" Sun guessed.

This slug is an interesting guy that Sun Dashuai and Nana found after careful searching, like a chameleon, which can change color with the environment.

Not only does it hide itself well, but it also has a defensive trick that can spray saliva, a green saliva like a water arrow, which can easily penetrate the carapace of the sapper insect.

"Oh, hehe, maybe that's true. Nana nodded.

Then, under the control of the Queen, two sapper bugs crawled over. They gently set up the slug, and then walked briskly in the direction of the palace pool, the fully evolved dream nut worm was ready to break down the genes at any time.

After the slug is placed in the abdominal cavity of the mother, the mother worm begins to absorb the slug's body tissue and analyze its genetic structure.

Sun Dashuai and Nana used their spiritual power to communicate with the mother worm at the same time and enter the world of creating new life. They all showed curiosity about this creature, especially Sun Dashuai, who had heard more or less about the research done by humans in bionics before, and it is said that many cutting-edge sciences in aviation, medicine, military and other fields have the shadow of bionics in it.

And now that he is able to participate in this cutting-edge science of biological genetic recombination, which goes one step further than biomimicry, and can create species like God, this sense of mastery and transformation is very exciting.

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Creating a species sounded like a myth, and he didn't believe it at first, but the memories passed down by the Zerg rulers were sure of it. And it's not too difficult to be stronger, as long as they can collect better, better genes, the Zerg can be fully utilized.

The slug may not be the best option, but it is currently the only one that can be utilized and has a good genetic sequence.

The principle of genetic recombination is complex, and in some respects it is even similar to the basis of human research: the most important is nothing more than homologous recombination, site-specific recombination, transposposition and aberrant recombination, all of which are based on a mechanism of biological genetic variation. The genetic recombination of slugs, which can be said to be the first homologous recombination, belongs to the simplest category.

This scene is somewhat beyond imagination, although it seems that the Zerg cannot use technology...... But they can also rely on inheritance and master the fusion evolution of top-notch creatures. Sun Dashuai began to really feel the strength of the Zerg, which may be the reason why this interstellar race can last for hundreds of millions of years.

With the foundation of passing on memory, they have taken far fewer detours in creation. The new unit is a new group of slugs combined with the genes of the burrower, named "Rock Chips".

As the name suggests, it is a creature that can swallow rocks and fire digested rock chips as bullets. The rock chip insect may not be very powerful, it is like a large horseshoe crab, its appearance is not good, and it is not very mobile.

It is about two or three meters long, with a layer of hard, chitinous hard skin that changes color with the environment, and encloses the arc-shaped digestive cavity in the body, which is the working organ that produces rock bullets.

The digestive chamber is usually kept closed, but it is open around the clock when it is necessary to fight. The chemical reactions in the organism provide a constant source of energy for the bullet to be fired.

On this basis, Sun Dashuai also strengthened its ability to communicate with the fungus blanket. After the transformation, the cuttings insects use not only the chemical energy to digest the rock, but also the nutrients provided by the fungus.

The fungus blanket serves as an energy transmission pipeline, and after the transformation, the cuttings insects do not need to worry about the embarrassing situation of energy depletion and lack of energy that they may face in the heat of battle.

It can be said that as long as the fungus blanket is not extinguished, the rock chip insects can consume energy to their heart's content and constantly fire rock chip bullets.

After the transformation plan was decided, Sun Dashuai and Nana let go, leaving only waiting for the mother worm to give birth to this new unit.

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Three days later, the cuttings broke out of their cocoons. Its heavy body crawled on the ground laid by the fungus blanket, and after only walking more than ten meters, it was reluctant to move again, so it lay down and did stretching exercises. The bottom expands the contact area with the fungus blanket, absorbing the huge energy prepared by the fungus blanket for the spirit insect clan.

Sun Dashuai looked at this guy who had been lazy to sleep not long after he was born, and was stunned for a long time.

"It seems that these little guys can only be invisible killers. ”

Nana smiled and said, "Let it hide among the steep and steep rocks, guard it in strategic locations, defend against enemies, and have warrior bugs around to support it at all times, this guy is a headache invisible bunker." ”

"Hehe, it seems that this is the only way to go. Sun Dashuai stared at the sleeping rock chips and said. At least we didn't make a ranged class after all.

In fact, he was wrong about the rock chip worm, after all, it was just born, and it urgently needed energy to continue to grow, and it waited until the day passed, and it successfully entered adulthood.

The next day, it's time for the rock chips to show off their skills.

There is no shortage of birds and beasts in the Shuai Spirit Realm, and Sun Dashuai and Nana asked the Sapper Worm to take a rock chip insect and walk to a steep cliff.

The cuttings insect sees the rock, just like the pervert sees the girl, this time it climbs fast, but after lying down in a rock protrusion, it no longer moves, but uses the mouth that grows underneath, and constantly eats the rock, and its body is almost integrated with the rock.

A pterosaur-like monster with a few small pterosaurs was soaring through the sky foraging for food, unaware that the last days of their lives were coming to an end.

The tragic scene happened, Nana controlled the rock chip worm, and at a glance she saw the pterodactyl monster hovering several kilometers away, it was now flying at high speed, and its trajectory was constantly changing.

The cuttings opened another "eye" on its body, and soon locked onto the great pterosaur flying high in the distance. Sun Dashuai could sense that the inside of its body, the surface of the digestive cavity substance, green light wriggled, and some hard conical bullets formed.

Eventually, it condensed into a dot and burst out under the high-pressure jet of the air bag behind the mouth, instantly attacking the unaware Great Pterodactyl.

Poof, no doubt piercing.

The great pterosaur whimpered and staggered and fell to the ground. The Zerg blanket below digests its body in a matter of hours, stockpiling nutrients for the brood, and apparently its death was not wasted.