If we want to cross the river in turn, it becomes a question in front of us who will cross the river first.

Xiao's deputy director looked at Yuan's leader: "you'll go to the lower courtyard first."

Yuan clan leader's face was slightly heavy. Even a fool knows that the first one who went there was to explore the depth of the trial. If there was danger, he would bear the brunt.

But he couldn't refuse.

Had to calm face to the people in the house of Commons: "you follow me, five people in a group, be vigilant."

When the people of the supernatural system saw that the leader of the yuan clan was actually taking the lead, they immediately felt warm in their hearts and nodded and said yes.

Yuan clan leader immediately walked into the river and walked toward the north bank.

Even though he had been to thunderbolt Canyon several times before, and even though thunder canyon had the lowest risk factor among several places producing lightning stones, he still did not dare to be careless.

The students of the Department of supernatural spirits, seeing that the head of the Yuan Department was like this, all raised their hearts to their throat, and carefully followed him to the north bank.

A quarter of an hour later, all the students from the Department of supernatural spirits in the lower courtyard arrived at the north bank without any accident.

Seeing this, the students in the upper and middle schools were relieved and showed some disdain. The garbage in the lower courtyard was really not on the stage. They could pass in half a quarter of an hour, but they were suspicious and dragged on for such a long time.

Therefore, when they go into the water, they are much more relaxed than the students in the lower school, and some even have the leisure to look around.

A middle school student saw a stone at the bottom of his foot, which was shining brightly. He could not help but feel happy and bent down to pick up the stone.

However, when his hand touched the stone, he felt a sharp pain in his fingers, as if he had been stabbed with a needle.

He could not help but scream, stood up straight, lowered his head, but saw that the whole right hand had been bloated, and quickly spread to the whole right arm.

Other people do not know what happened, the first reaction is to rush towards the north bank in a hurry, for a moment, a mess.

Because people are crowded to one place, some people are pushed aside, and then there are successive screams. Unexpectedly, some people are sucked into the whirlpool which appears suddenly nearby by the sudden suction.

What makes people even more shocked is that the injured student suddenly went mad and pulled a student passing by and bit the student's neck.

At the critical moment, Xiao took a palm at the crazy student, who flew to the far river like a broken kite, and then was swallowed up by the whirlpool.

"If you go ahead in order, you will be punished if you are crowded again!" Xiao, deputy director of the courtyard, snapped.

The students were so frightened by this series of accidents that they did not dare to make any more mistakes. They continued to pass in fear and finally arrived at the north bank.

It was because the boy touched the stone and killed three students at once. Except for the boy, the other two were crowded into the nearby river and were swallowed up by the whirlpool.

People immediately got to know the horror of thunder gorge. Originally, they thought that there was no danger in spreading false information, but now it is extremely dangerous.

A student bravely asked a lecturer about the boy, and the lecturer sighed: "it's not a stone at all, but a sea animal unique to the river. It disguises itself as a stone to deceive people to touch it.

After being stabbed by its sting, the venom will enter the body along the wound, and then the whole person will go mad.

The most terrifying thing is that the person bitten by him will have the same symptoms as him, and there is no antidote to the poison. Therefore, the best solution is to kill him at the discretion of vice president Xiao just now. "

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