After taking out the energy crystal nuclei of the two adult rapids, Lin Yu chose one of them to absorb it.

As the energy slowly flowed into his body, Lin Yu found that even the energy crystal nucleus of an adult swift worm did not bring him much change.

"The evolution of the body relies on energy, and at this time, the energy in my body is close to or even exceeds the energy of an adult speedworm, so even the energy crystal nucleus of an adult speedworm cannot bring the evolution of the first qualitative change." Absorbing the energy crystal nucleus of another adult raptor worm with his hand, although it still didn't bring much change, it was still much greater than the energy brought by the juvenile raptor.

Lin Yu knew that what he had to do next was to keep hunting those adult swift worms, because if the quality was not enough, he could only rely on quantity to complete the energy needed for the next body evolution.

After absorbing the energy crystal nucleus, Lin Yu removed all the scythe forelimbs of the two adult swift worm corpses, and then found a smooth stone and slowly polished it.

For Lin Yu, who lacked weapons, this simple and crude primitive weapon was the most suitable for him.

After polishing the forelimbs of the four sickles, Lin Yu picked up one casually, tied up the other three with ropes made of vines, carried them behind him, and continued to walk towards the depths of the dense forest.

……

"It's strange, I've been looking for three days straight, why haven't I found even an adult raptor worm." Leaning on a huge ancient tree, Lin Yu, who had taken a short break, said a little vaguely after throwing a hungry wild fruit in his mouth.

Since he hunted those two adult velociraptors, Lin Yu had never seen an adult velociraptor in this huge forest, which was obviously unreasonable.

"Roar, roar!!" At this moment, a violent roar seemed to make the entire dense forest tremble. Lin Yu, who was already familiar with the various characteristics and habits of the speedy insects, knew that although this sound was even more shocking, it was undoubtedly the roar of the speedy insects.

"Whew!" Immediately after, a roaring sound that was different from the swift worm, like the roar of the wind, came from the depths of the dense forest not far away, and this sound was so powerful that it also made the entire dense forest tremble.

Without the slightest hesitation, Lin Yu quickly got up, picked up the weapon on the side, and walked in the direction where the voice came from.

It wasn't known exactly what was going on, but the two distinct roars at least indicated that two overlord-level monsters were fighting for turf.

Just as Lin Yu was about to approach the source of the roar, he heard more roars, one of which was the roar that an adult speedworm would only make when it fought an enemy.

Lin Yu quietly looked towards a huge clearing covered by green vegetation, and sure enough, he saw hundreds of adult swift insects fighting.

Unlike most of the situations Lin Yu had seen, the hundreds of swift worms at this time were not fighting each other for evolution, but fighting another monster with the same hatred.

It's an eyeless, ugly and disgusting insect-shaped monster that looks like an animal's esophagus from a distance, like a worm before the Earth Mutation.

However, unlike the worm, this monster has grown in size by more than a thousand times, and the skin on the outside has deep wrinkled folds of flesh, and a huge mouth full of fangs opens, under the huge mouth, it is directly connected to the body, constantly twisting its body, in a vain attempt to swallow the swift worm in front of them into the mouth.

Scavenging insects, Lin Yu finally remembered the name of this monster. After the original mutation, it was this terrible giant insect that hid underground, and sometimes suddenly came out, swallowing the dead human or animal corpses in the mutation.

It's just that Lin Yu didn't expect that these terrifying giant insects, named as scavengers, would still be so aggressive.

The swift bugs with their agile limbs take advantage of their speed and dodge the attacks of the scavengers. It's just that although the speed of the scavenging insects does not have an advantage, they have the ability to burrow into the ground, so the underground of this huge battlefield has become a hunting stage for scavengers.

Like sharks hunting their prey, the scavengers burrow into the ground, burrowing through the ground where the velocrats can't reach, and then taking advantage of their unpreparedness, they burst out, opening their huge mouths and swallowing them alive.

However, the scavengers who occupy the advantageous location do not have an overwhelming advantage, because whenever they find a target and burrow out of the ground, there is always a rapid bug that suddenly jumps out from the side, and then the sharp scythe forelimbs directly cut into the abdomen of the scavengers.

"How could these greedy bugs adopt this method of killing a thousand enemies and damaging eight hundred." Lin Yu, who was silently observing on the side, looked surprised.

Whether it is a speedy bug or a scavenging bug, their character is greedy, but they are extremely cunning, and this kind of life-fighting battle will never happen to these giant insects. What's more, those swift insects had obviously killed several huge scavengers, but they didn't choose to retreat and then devour those energy crystal nuclei, but still fought together without fear of death.

What is it that is above the energy nucleus of life and evolution? Lin Yu looked towards the northernmost part of the huge battlefield, because the two were completely different, but they also possessed the same huge roaring sound that made all the creatures in the entire dense forest surrender from there.

I saw a huge speedworm about seven meters tall with countless thorn-like protrusions in its yellow-brown skin brandishing a sharp sickle, and its forelimbs were fighting with a scavenger with a body length of more than 100 meters, like a huge high-rise building.

There is no doubt that both the giant swift worm and the scavenging worm are the kings of these two races, and the reason why those greedy giant worms are not afraid of death is precisely because this is a battle between kings and races, and only one race, one king, can survive.

"No wonder those swift bugs have disappeared in the past few days, it turns out that there are new invaders in this dense forest." Lin Yu finally figured out why he hadn't found a single swift worm in the past few days, because all the swift worms had been ordered by the king, and they were accumulating strength to fight the invaders to the death.

The battle between the Swift Worm King and the Scavenger King Worm continued, and the qi wave generated by the battle even made Lin Yu, who was hiding in the distance, almost be swept away.

Lin Yu knew that no matter how he faced any of them alone, he would have no chance of winning.

The qi wave generated by that powerful power showed that the power possessed by these two insect kings was the strongest monster that Lin Yu had faced after the earth mutation.

Lin Yu did not choose to leave, because this was a once-in-a-lifetime opportunity for him.

In less than a month, such a terrifying monster has evolved, and if he chooses to leave at this time and choose to hunt those prey that he is more sure of, then he will face a powerful race with the existence of the Worm King.

Rather than this, it is better to gamble, and after the two insect kings are decided, take advantage of the other injured and weak, and have a sandpiper and mussel to fight, and the fisherman will benefit.