Feeling the caracal rushing towards him, Ling Huohuo smiled, although the caracal looked disgusting, but its strength was only one order, and Ling Huohuo probably sensed it, there were only more than thirty of them rushing towards him, and it was definitely a knife to fight.

Creatures such as caracals and ghost insects that rely on the advantage of numbers and easier reproduction to continue the race, the individual strength is generally not too large, and the numerical advantage limits the development of individual strength.

Ling Huohuo waved his hand, drew two long swords, and the flames were entwined, quickly facing the caracals.

A flash of fire flashed.

Ling Huohuo's hands grabbed two beautiful sword flowers at the same time, and put the sword into the sheath.

At this time, all the motionless caracals fell to the ground, but because of the burning flames, no blood flowed out of the caracals' wounds, and the smell of blood did not spread.

Chopping melons and chopping vegetables is nothing more than that.

"Master, it is likely that there is a caracal's nest ahead, and the rat mother is generally second-order and can use spells, please be careful." Fudo Ming Wang reminded.

"Spells? What kind of spells? Ling Huohuo asked curiously, not paying attention to the strength of the second order of the rat mother.

"Generally speaking, it is acid spitting, the acid spewed out by the rat mother is extremely corrosive, and it also has the ability to paralyze, which is divided into two ways to use: straight jet and spraying, and a small number of mutated rat mothers can use low-level spells of the dark system, such as shadow arrows, dark balls and the like."

"Dark?"

Speaking of the dark system, Ling Huohuo suddenly thought of the dark energy bead given to him by the black-robed man, which can also enchant the power of the dark system for weapons, but he is not from the dark system, so in the end the dark energy bead was handed over to Xiao Yunyun, as for the teeth of the blood clan obtained together are still in Ling Huohuo's hands, Xiao Yunyun said that the teeth of the blood clan are more symbolic than those used as magic materials, and a tooth can represent the friendship of a blood family.

"Yes, doesn't the master know the dark department? That's right, the dark system is relatively rare, so I'll explain it to you......"

"Stop, no, I know what the dark system is, I just haven't seen it."

“……”

It's embarrassing.

Ling Huohuo raised his feet and continued to move forward.

Along the way, the caracals seemed to have discovered Ling Huohuo, and attacked Ling Huohuo one after another, but they all cut Ling Huohuo.

"By the way, I've already killed no less than five hundred caracals, didn't you say that there are only about a hundred caracals in a litter?" Ling Huohuo asked suspiciously.

"Master, I don't think it's a caracal nest you might come across." King Fudo recalled for a while, after so many years, he was no longer so sensitive to the matter of the catacombs.

"Nonsense."

Ten people can analyze it, okay!

“……”

"Could it be that the underground of Firesource City has been taken over by caracals?"

"It's very likely, although I can't remember a lot of things for a while, but I remember that there is a caracal nest not far from the underground of Huoyuan City, because the location is a little remote and has not been cleaned up, and now these caracals may be the offspring of that group of caracals, when the number of races exceeds a certain standard, the mother rat will give birth to a female mouse, give it to the male rat, and let them build a new nest elsewhere."

"But this bunch of rats is a little bit more multiplying." Ling Huohuo complained.

"Master, I remember one more thing."

"What's the matter?"

"There's something wrong with this caracal population."

"What's wrong?" Ling Huohuo asked curiously.

"Because of the limited food, even if the caracal has a wide diet, it does not exist in a dense area, and four or five nests are built in one place, and it is not strange that there has not been a single mother rat until now?"

Ling Huohuo nodded, it was very strange.

"I guess there's already a caracal kingdom established underneath Fire Source City."

"Caracal Kingdom?" Ling Huohuo was a little puzzled.

"Although the caracal is inconspicuous and its strength is not so strong, Huoyuan City has also recorded several rat plagues caused by caracals, which are extremely harmful, so the ancestors observed the caracals and found out the cause of the rat plague, which is the establishment of the caracal kingdom!" Fudo Ming Wang said solemnly.

"What the hell is going on?"

"The ordinary caracal group is a kind of structure in which the female rat is notified by the mating right, and there is only one female rat in the rat mother, and as I said before, when the number reaches a standard, the rat mother will give birth to a new female rat, hand it over to the male rat, and let them go elsewhere to build a new nest, generally speaking, the male rats are the first order, and the rat mother is the second order, but with the increase in the number of male rats, some male rats that live for a longer time will break through to the second order, and when the number of male rats in the second order increases, it is likely that a third-order male rat will be born, at this time, the male rat's intelligence will increase dramatically, and the caracal kingdom will be established. Fudo continued.

"The third-order male rat will become the rat king, and transfer the nearby rat mother to his side, and only one male rat has the right to mate, forming a structure similar to a lion pack, and the leader will possess all the females in the group, so that the male rats born after it are all the descendants of the rat king."

"And the descendants of the rat king will greatly increase their intelligence, potential and physique compared to ordinary caracals, and the strength of the entire caracal group is getting bigger and bigger, and this is how the caracal kingdom was established."

"And then?" Ling Huohuo then asked, slashing the caracal with a sword in his hand, Ling Huohuo found that there were many second-order caracals mixed in the nearby first-order caracals, preparing to secretly attack Ling Huohuo.

"This group of brutes has really improved in strength and intelligence." Ling Huohuo scolded, and the flames erupted, directly emptying a large area, briefly forming a vacuum area of caracals, but the caracals were not afraid of death, and rushed towards Ling Huohuo again.

"Because of the increase in numbers, gathered in one place, food will inevitably be scarce, hunger will make the already ferocious caracal even more ferocious, and after a long time, it will inevitably riot and impact other places, and a rat plague will be formed, if no one cares, there will be a rat plague here soon." Fudo Ming said.

"Sounds interesting." Ling Huohuo said with some sighs, "Back then, your ancestors had already begun to understand the ecological environment so early. ”

"It's not enough to understand the ecological environment, these are all experiences, after all, living on ancient tombs, if you want to live, you must have an in-depth understanding of the surrounding living environment." Fudo Ming said.

Although what Fudo Ming Wang said was very plain, Ling Huohuo could imagine that era, in an era when science and technology and medicine were very underdeveloped, in order to survive, the Fire Clan people fought with heaven and earth in survival, and conformed to the scene of nature.

It is impossible to say which is greater, the ancients or the modern people, but what is certain is that no matter what age it is, human beings without teeth and claws are all trying to survive, the difference is only that the way of survival is different.