Everyone's eyes were drawn to the voice, and they all rushed into the pool.

I saw that the students of the Longcheng Military Academy, who were still desperately swimming to the opposite bank in the waterhole before, didn't know when they stopped, and there was a fierce fight between them!

Liu Yu and the others were stunned as they watched the changes that took place in the waterhole, not knowing which one Longcheng Military Academy was singing.

The battle in the water was fierce and bloody, they used their fists, with their fingers, with their feet, and even with their teeth. Anyway, no matter which part of the body it is, as long as it can cause damage to the opponent, it will be used by them to attack. The originally calm and clear water of the pool suddenly became turbid and turbid.

One man's left hand pressed to the other's face, and his right hand clenched into a fist and slammed his temple. And the person he attacked bit his finger, and no matter how he hit, he would not let go. The man pushed the opponent's head into the water with all his might, trying to drown him. Perhaps the man's strength was not as strong as his, or he had already knocked him unconscious, and after a few thrashes of his hands and legs in the water, he stopped moving, and gradually sank into the water. But even so, the man's mouth still bit his finger and didn't let go. The man tried with all his strength to pull his left hand out of the man's mouth, and he succeeded, but both fingers were missing. And he didn't realize it, and he still desperately hit the man with his fist.

At this moment, another person crept up from behind him, and his two hands tightly grabbed his neck until he foamed at the mouth, and still did not let go.

These people at the Dragon City Military Academy were like a pack of beasts, fighting entirely on instinct. There is not the slightest sense of discipline in their attacks. Those who cut off each other's eyes with their fingers, those who bite off each other's necks with their teeth, those who pull the legs of a third person together and tear him in half, and those whose heads are pulled off alive.

In just a few minutes, the waterhole was red with blood, and the severed limbs and internal organs that flowed out of the body were floating on the water, and the smell of the fish was disgusting.

"Are they crazy?" Li Jing muttered to himself.

No one answered his question, everyone stared straight at the crowd of people fighting each other in the waterhole, until all the people of the Dragon City Military Academy were dead, and the tattered corpses were floating on the surface of the water, and they still hadn't come back to their senses.

"Can anyone tell me what the hell is going on?" asked Dou Yi in a dry voice.

"They're all crazy!" Liu Yu seemed to be answering Dou Yi's question, and as if he was talking to himself, or maybe he didn't even know what he had just said, right?

The atmosphere by the waterhole was overwhelmingly oppressive, and everyone was silent, perhaps fearing that they would become like the people just now. What they don't understand is the most terrible thing, and even if they want to prevent it from happening again, they don't know how to do it. A feeling of fear and pessimism quickly spread among them, and everyone unconsciously looked at the people around them, for fear that the other party would suddenly go crazy.

"Twitter", a crisp sound broke the oppression. The little snowball ran over like a gust of wind, swished, and jumped onto Liu Yu's shoulder.

"Twitter", the little snowball pointed at the waterhole with her little paws, and kept screaming, her little head nodded, and shook again, and then the little paws swung towards Liu Yu again, and she didn't know what it wanted to say.

"Could it be that there is something wrong with the water in this pool?" Zhou Sheng looked at the little snowball suspiciously, and then at the pool, "Boss, what kind of monster is this, how can it climb on your shoulder?"

After listening to Zhou Sheng's words, Xueqiu's little head kept nodding, pointed to the waterhole again, and then lay on Liu Yu's shoulder, pouted his little buttocks, lowered his head, stretched out his little tongue and licked it, and then shook his head again.

"It's Karamon. It was a pet I picked up on the road and I named it Snowball. Liu Yu said, "Your guess is very reasonable, they all had such a terrible change after entering the pool, and we didn't feel anything unusual, which proves that there is indeed a problem with the water in the pool." By the way, Brother Li, how did you meet the people of their Dragon City here?"

"We were going to get some drinking water in the pool, and as soon as we filled the kettle on our bodies, the people from Dragon City appeared. Li Jing replied, "I think they should have come to fetch water, and they happened to collide with us, and the two sides fought." ”

"Now it seems that we are fortunate to have met them, otherwise we would not have gone crazy like them!" Li Jing said with some fear, "Could this water be poisonous?"

"It's hard to jump to conclusions just yet, we're just guessing. Liu Yu frowned and thought for a moment, "And I haven't heard of this kind of poison that can make people crazy!"

"Can you show me the water in your kettle?" Dou Yi stepped forward and pointed to the kettle hanging from Li Jing's waist and said.

"No problem. Li Jing readily agreed, "But you have to be careful to avoid accidents." ”

Taking Li Jing's kettle, Dou Yi opened the lid of the kettle, put the spout of the kettle under his nose and smelled it: "The water has no peculiar smell, and the water you brought should be fine." After speaking, Dou Yi drank all the water in one breath with a grunt on the mouth of the pot.

"Brother Dou, what are you doing here?" Liu Yu asked in surprise.

"Brother Liu, don't worry, I have my own measure. Dou Yi said calmly, "The ancestral skill of our Dou family is to prepare medicinal materials and identify the ingredients of various medicines, including poisons. I've looked at it carefully, there is no problem with this pot of water, you can drink it safely, I'm just proving it now, and you'll understand after a while. ”

The old god Dou Yi was standing there, not looking nervous at all. His brothers, too, did not worry about him in the slightest. However, the rest of the people were not so calm, although they didn't say anything, they kept glancing at Dou Yi with their eyes, for fear that he would suddenly go crazy.

In the anxious waiting of everyone, the mutation did happen, and Dou Yi was still standing there, just a waterhole......

Perhaps it was too boring to wait for a long time, a student of the Longteng Military Academy inadvertently glanced at the waterhole, only to find that he didn't know when, all the corpses that were originally floating on the water were gone, and what was even more peculiar was that three springs appeared on the water!

The three-eyed spring is located near the center of the pool, arranged in an equilateral triangle, and the top of the spring is not high from the water surface, and when viewed from a distance, it is only a little higher, and if you don't look closely, you can't find it at all. The student was able to find out because the color of the spring water was noticeably different from the water in the pool, which was a slightly dull yellow.

"Look, what's that?" he exclaimed, pointing to the middle of the pool.

His voice drew everyone's attention, and everyone looked in the direction of his finger and quickly noticed the change in the pool.

"What is this?" Li Jing said with some puzzlement.

"This should be the culprit that will make people crazy!" Dou Yi said with certainty, "I just don't know what ingredients it contains, and how can it make people kill each other?"

No one could answer Dou Yi's question, they just stared at it with big eyes and stared there.

"No, I should go down and find out how these three-eyed fountains were formed! What is this yellow substance!" Dou Yi was itching to find out what he had never seen before, and he wanted to go down immediately to find out.

"Brother Dou, don't be anxious, this thing is so strong, even if we want to go down to check, we have to think about it in the long term to ensure that nothing goes wrong. Liu Yu grabbed Dou Yi, "Let's wait, anyway, there is time, at least after the fountain stops, we will go down and find out." ”

"Big brother, what Brother Liu said is that this waterhole will not run away here, so let's observe it for a while. The other four members of the Dou brothers also spoke to persuade.

"Alright then, we'll wait. Dou Yi didn't insist any longer, "Second brother, you go to the waterhole to get a pot of water again, I'll study it first." ”

The fountain didn't last long, and it stopped gushing after about ten minutes. Dou Yi was in a hurry to go down to check again, but was persuaded by Liu Yu and others again.

Over the next three days, after uninterrupted observation, it was discovered that the spring gushed every twelve hours, at noon and at midnight. And it's very precise, not a minute or a second.

During this period, Dou Yi did not do nothing. He takes water samples every hour and carefully examines the ingredients in the water. The conclusion was that an unknown substance would appear in the pool water an hour before and after the fountain gushed, and the composition of this substance was very complex, judging from Dou Yi's experience, this substance could not have been naturally formed, it was more like it was artificially formulated. This made him more curious about what was hidden in the pool, and he couldn't wait any longer.

Liu Yu seemed very relaxed in the past three days, except for a phone call with Zhang Tianqi to make sure that he was in a good situation now, that is, he was still trekking hard in the desert, Liu Yu had nothing else to do.

In his spare time, Liu Yu had more exchanges with the students of Longteng Military Academy, and gradually became familiar with them, and he was also full of sympathy for them. Although the empire keeps saying that the aristocracy and the commoners are the same, in fact there are still too many inequalities. Liu Yu hadn't experienced much in the Bokan Military Academy before, but after communicating with them, he realized that things were not what he imagined.

Not to mention the serious shortage of funds and facilities, even the "Yijin Sutra" exercises that Liu Yu contributed for free two years ago, they have not heard of it, let alone practice.

It is no wonder that the strength of the students from these military academies is very average, and they cannot be compared with the five major military academies. Without good exercises, without good professors, and without good training facilities, even if you have the best talents, you will slowly become mediocre.

At one o'clock in the morning of the fourth day, after the unknown substance dissipated from the pool, Dou Yi could no longer bear it, took off his clothes, jumped down, and swam to the middle of the pool.