Ark is currently sitting in a classroom with 19 other students listening to military instructor lecture about close combat. Ark looks outside of the window and wondering what to do after school.

Suddenly he saw a piece of blood red leaf flew in through the opened window and land on his desk. He wonders that there were no trees around with leaf like this. So he is curious and tries to inspect the leaf, but right when he touched the leaf, it disappears. He looks around and under the table, there is no leaf around.

Ark thought he might have just hallucinated, and try to laugh it off.

Scanning host, preparing for merging...

Its voice was cold and emotionless.

The next second Ark feels his whole body was in pain down to his bones. Which make him scream in agony with the top of his lung in the classroom.

Everyone look at Ark with the look of surprise.

The military instructor angrily yell at Ark: "What are you doing? Sit down you are disturbing the class."

See that Ark is not responding to him, he takes his ruler from the desk, walk to him and swing it at him.

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Ark tries to sit down but realize his whole body is paralyzed and not even able to blink his eyes, which mean he can not do anything but stand there and get hit at.

 Scanning complete. brain wave match, the initiating merging..... Activating scanner, before the fully merging process start, all threat life form must be terminated..... Activate scanner...20 lifeforms found the nearby threat level low. Terminating threats...

"What is going on?" Ark thought to himself.

Suddenly, his body started to move by himself. He dodges the ruler swiftly and kicks the instructor at the groin. Then he uses both hands grabbing the instructor’s head by the mouth and the back of the skull and breaks his neck with a sudden twist which kills the military instructor in an instance.

The students are shocked about what just happened but without any time to react. Ark quickly approaches his fellow classmate and kill them. Some got their head smash on the ground or wall which leave behind a bloody mess, some got lucky just got their head twist and kill at an instance. What bothers Ark is that he was able to instant kill each of his classmates and instructor with one move.

Activating scanner, threat level 0, complete merging activate...

"Ahhh!" Ark wants to scream out loud but cannot, his body still not in his control.

After 30 minutes, the voice in his head once again back.

Merging complete.

Ark was able to gain control of his body again. He looks around the classroom, at the instructor, his classmates, and the whole bloody mess he made. He pinches himself heavily and wishes it was just a dream, but the pain tells him it was a reality.