The underground crack in the traces of the earth is not so much a cave as a huge world hidden underground. Even if the first eight layers that have been basically discovered by explorers who love adventures from all sides are already close to one-quarter of the area of ​​the Yara Continent, and this is only half or even one-third of the total underground world. If Ike's guess is not wrong, the underground world is indeed larger than the area of ​​one layer, then the total area of ​​the seventeen or even twenty-one layers will be greater than the surface area of ​​the Yara Continent itself.

It is obviously not that easy to find a research institute of several square kilometers in such a huge underground system. Although there is a range of about fifty square kilometers, the combined 50 square kilometers of each floor may be nearly one thousand square kilometers. Moreover, these fifty square kilometers are not a smooth road, but an underground world connected by winding and complex paths. Perhaps if you miss a certain path, you will always miss the opportunity to find the research institute.

"Mr. Ike, I have a question now." Catherine gasped and asked, "If there is another situation where the necessary path is blocked by monsters, will we have the option of breaking forward and dispersing or killing the enemy?"

This is the fourth underground floor. As soon as the six people climbed down from the crack in the third floor, they saw that the only passage was blocked by a five-meter-long beetle. The beetle is pure black, covered with thick oily shells, long pairs of tentacles, six short legs are thick and powerful, with barbs on them. They steadily support their bodies. At its mouth, eight teeth as sharp as knives closed from both sides to the middle, forming a fearsome mouthpart. The girls saw with their own eyes that it bit off a hard rock with its teeth just to swallow some slightly smaller bugs hidden behind the rock. Such mouthparts have enough power to bite off the head of any legendary profession. The girls were very suspicious that even with a shield, they had enough strength to withstand the biting force of the beetles. Not only that. When the beetle

After seeing several members of the adventure group, they immediately let go of the bug that had not been eaten. Turning to face everyone, the carapace behind suddenly cracked, and formed a pair of wings with the hidden wing membrane under the carapace, and actually flew up on the spot. While making a buzzing sound of wings, they quickly dived towards the girls. When the beetle flew up in place, it not only scared the girls, but also everyone keenly felt that the temperature in this spacious tunnel had a significant increase. With the takeoff of the beetles, the temperature increased by at least about five degrees. The sudden rise in temperature made the girls mistakenly think that this belonged to a fire-attributed monster, but it was a pity. It was not a fire-attributed monster, but a physically enhanced monster, and it did not have any magic. However, its own power, especially the power at the mouthpiece, had been exaggerated.

This was the first tough battle that several people encountered after entering the ground mark. Facing the enemy of the legendary level, the girls felt nowhere to start. The giant beetle had the hardest shell, and knocked it on with its hands and jingled it. It seemed like a solid piece of metal. Catherine tried to chop the enemy's shell with a weapon, but after a crisp collision, the black carapace did not leave any scars, but seemed to anger the other party, increasing the beetle's speed to a faster level. Although Catherine did not use Dou Qi to strengthen it when chopping, the powerful chop of a legendary knight caused enough to split a piece of marble in half, but it did not have any impact on the beetle's beetle, which shows how hard the carapace is.

In order to test the opponent's combat effectiveness, Catherine refused to help others. She fought with the beetle alone for five minutes, and was almost injured by the beetle's wings. The beetle's wings were not smooth, but with a large number of fine serrated teeth. It was difficult to find if she didn't look carefully. Fortunately, when the wings approached Catherine, she instinctively felt the danger and spread the fighting air shield in time, so that she did not seriously hurt herself. After five minutes of entanglement, she found an opportunity to cut the beetle's body from its relatively soft abdomen and ended its life. Of course, this fierce battle also cost Catherine a lot of money. When she finally killed the beetle, because she stood under the beetle to cut the abdomen open, the green insect liquid directly splashed her whole body, making her body soaked with fishy mucus, and emitted a wave of unpleasant odor.

"Vivian, do a favor." Catherine asked Vivian for help with a tangled look on her face. Vivian suppressed her smile and condensed a water ball out of thin air, helping Catherine wash her body little by little like a shower, until she washed the dirt through her armor before finishing it.

"Most of the time, you can choose to detour." Ike explained: "Many roads here are made. When it is not possible to walk here, it is the easiest way to detour from the side. However, in the case like the one just now, if you detour, you need to return to the third floor, and then go back to the fourth floor again, it will take a lot of time. Therefore, if you encounter this situation, it is better to kill or drive them away."

"Okay, I understand." Catherine nodded and said to her teammates: "Everyone has seen the enemy's combat power. Since this beetle can live in the fourth floor of the underground, it means that the combat power of most monsters is relatively close to it. So when you encounter situations that you have to fight in the future, everyone will take action and solve the opponent as soon as possible."

"No problem. If you do it together, you should be able to kill the monsters as fast as possible." Lina nodded and said, "But I discovered something very strange. Since we came down to the underground world, the more powerful monsters we saw were basically large bugs. There was no normal monster. Mr. Ike, do you know why this is?"

"Have I not told you?" Ike's eyes widened and recalled carefully. It seemed that he had never mentioned it before. He could only scratch his head awkwardly: "It is difficult to see the traces of giant insects again after the seventh floor, but before the seventh floor, the underground world was occupied by insects, and this place can almost be said to be the kingdom of insects."

"In other words, did we accidentally break into the bug hole?" Lina lamented: "I was wondering, is there any way to reduce the chance of bugs discovering us. On the third floor just now, at least four situations of competition with bugs. If Panis had not been able to avoid the bug hunting range in time, he might have started a war with bugs. If there were other ways, such as turning off the lights, it would have been reduced to the chance of being discovered, we would probably have been a little easier along the way."

"Add to correct it, we didn't accidentally, but we broke into the bug hole very carefully and refinely." Panis corrected very badly: "And, do you don't like bugs like Freya?"

"There are a few normal girls who like a bunch of bugs, especially ugly bugs of this type." Lina rolled her eyes, muttered and complained a few times, and suddenly said to Freya: "Don't get me wrong, stupid, I thought of this problem because I hate bugs too, not for you."

"No matter what you are doing, I'm afraid you'll be disappointed." Panis shrugged, turned off the shoulder light on his shoulder, moved a few steps sideways away from the team's light range, and said regretfully in the darkness: "The strength of the light has a very small impact on the insects, but it has a greater impact on us. After all, the dark vision of most insects is stronger than that of Ike. Turning off the lighting in the dark will only give the insects more chances to attack us."

"It's a pity," Lina curled her lips and shook her head, "It seems we have to move forward in the swarm."

"It's not that exaggerating." Ike explained: "The bugs here have a characteristic. They don't move in groups, but choose to live in a single body. Maybe it's related to body shape. After all, if they are so big, if a group of people gather together to live, they may be able to extinct the creatures in a region in a blink of an eye."

"Not only that," said Panis. "The existence of insect swarms was originally because the individual insects were too weak, and they were composed for self-protection and convenience in obtaining food. Now that they do not have this problem, there is naturally no need to form a community to live. Therefore, you have seen on the road before that most insects live alone, at most two or three together. Sometimes they even be wary of their own kind to avoid hunting each other. However, the results you want may not be impossible to achieve."

"Yeah?" Freya and Lina paused at the same time, almost unable to help but stop: "Is there a way to let the bugs take the initiative to avoid us?"

"There is indeed a way." Panis looked mysterious and took out a bottle from his pocket and held it in front of him: "The best way is this thing."

"This? Isn't this the mucus of the beetle you just collected, the eldest sister killed?" Lina asked in confusion: "It looks so disgusting. What are you going to use it for?"

"There are often some strange sensations between bugs. Even if they are far apart, some of them can often be sensitive to find another part of them." Panis said: "So some people infer that their body fluids carry some strange signals that can be transmitted from afar anytime and anywhere. Ike and I confirmed just now that this beetle is one of the top overlords on this layer. If we apply these body fluids to our bodies, even if there is only one, the other bugs will mistake us for beetles, and most of them will avoid them from afar."
Chapter completed!