The sound of the whistle gun kept ringing in every gear. While listening carefully, Chu Han crawled forward with the location of the response of the whistle gun, which was equivalent to the sound. Every time he arrived at a new gear, it was the time of the whistle gun. The cooperation between Chu Han and the shooting team entered a perfect pinch point state.

No one on both sides relaxed, so they kept searching the past one by one!

Just as two thirds of the gears on the battlefield have been investigated, and there is still one third left, there is a sudden "Ding", and there is a slight sound of weapons colliding, mingled with the sound of fighting and whistles.

The collision sound was so slight that it could not be detected, and it was extremely fast, and the specific location was difficult to locate. But Chu Han immediately crawled toward the source of the sound!

In the state of gear array rotation, and the enemy is still a zombie, there is rarely such a sound of weapons colliding. It should be the sound of constantly mincing meat, gunfire and the impact of bullets flying into the head of zombies. Zombies do not need weapons. Such sounds can only show that there are team members' inconsistent actions leading to the dislocation of weapons collision.

However, the most likely time period of inconsistent action is just a few hours before the beginning of adaptation. Now, when everyone is familiar with the gear array, and the time when the two groups of teams alternate is perfectly controlled. With the help of silver water, the probability of such errors can be said to be as low as zero.

Once it appears, it represents a problem!

But just as Chu Han was heading for the place where the crash sound occurred, suddenly in the opposite direction, the whistle gun in the center of a certain gear suddenly stopped, which was in sharp contrast to the continuous whistle gunfire of the previous moment.

The stop of the sentry gun also made Chu Han's figure stop. He turned his head and looked sharply at the gear behind him, which disappeared. At this moment, all the information seemed to be induced and difficult to distinguish.

Where is the real problem? Which direction is that super zombie?

At the same time, young master Chen in the center immediately pointed to the gear ground where the sentry gun disappeared. There were five fuzzy figures standing there, four outside and one inside. It didn't look any different, but the members of the shooting team standing in the middle did not fire their sentry guns.

Young master Chen frowned. He did not have the absolute perspective ability to see the real situation in the distance. His ability was just to shoot and capture. In the fuzzy vision, it increased the difficulty to find the super zombie.

Wolf teeth in the bright, super zombies in the dark, but also Chu Han and young master Chen in the dark!

Hesitated for a long time, then suddenly took out nothing from the sky!

It's a signal, but it's a very special signal. When vision is limited and visibility is not strong, only young master Chen can capture it.

This special signaler was made by the science and Technology Department of Langya base and Shangshang. Its production process is extremely complicated. Mr. Chen cooperated with him to be a mouse for countless times before making it. So far, there are only two finished products. One is on Chu Han, the other is given to general Jiang Tianqing, the leader of the reconnaissance team. The two special signals are also the only one made by Mr. Chen.

As for the principle of this signal, it is complicated. It should be similar to the heat feeling of a zombie, but it is essentially different. It will not be captured by zombies without vision. It is only useful for those who have special eye strengthening ability. Master Chen is the one who should have the strongest sense of it. As long as he is within the range of his shooting, how low the visibility is You can catch them all.

So when Chu Han put this signal into the sky, young master Chen, who was far away in the center of the battlefield, immediately found out, and then understood Chu Han's meaning in less than three seconds.

The signaler is used in the place which is far away from the problem gear, which is where Chu Han is now. The most problematic part of the gear array at this time is the sudden stop of whistles and guns. With Chu Han's ability to control the battlefield layout, it is impossible for him not to know the location of the shooting team members in question, let alone know clearly and do useless actions.

Therefore, knowing that he had to use such a precious special signal, it was enough to show that the message Chu Han wanted to convey was to let young master Chen keep an eye on the known problem gear!

"Is there anything else wrong?" Young master Chen did not hear the slight sound of weapons collision before. In this useless battlefield, everything depends on guessing, trust and their own sensitivity.

After delivering the message to Mr. Chen, Chu Han completely put his mind on the place where the movement was lighter. His crawling forward speed was very fast, and in a moment he crossed several gears and approached the place.

From the front came the whirring sound of weapon rotation, and the sound of mincing zombie meat, just like everywhere, seems to be no problem!

Chu Han slowed down his speed in doubt and held his breath. When he was five meters away from the target, he could finally see the scene behind the black rain curtain with Chu Han's perception. The four men formed a gear and were spinning step by step. The shooting team members in the center stood in the center, and the muzzle of the gun kept aiming at the high-level zombies that might be close to them.The five people in this gear are normal, so what's the problem?

Chu Han frowned. Did he make a wrong bet?

Just when Chu Han was doubting himself, his eyes flashed suddenly, and then he suddenly climbed up from the ground and rushed forward!

Brush!

The rapid and incomparable attack scared the people around, especially those main allied forces who didn't find Chu Han at all. They almost thought that the high-level zombie raided. When it was clear that it was Chu Han, they were all shocked.

When did this man come in?

But all the emotions, no matter what, were only for a second, and soon turned into panic.

As soon as Chu Han rushed forward, a sharp cold light was lifted from the ground, and the sound of "miso" countered Chu Han's Shura Tomahawk!

It was a dagger from the members of the wolf tooth battle group. It was held by a pair of white hands. The owner of the hand was lying on the ground with the replacement members, standing beside five normal soldiers!

All of them were frightened. They didn't know what happened. Why did Chu Han suddenly attack his own people?

But soon, the five people in that gear first found out the problem. The man holding a dagger to block Chu Han's attack seemed to have great strength. To know that Chu Han was already an evolutor of level 7 or the leader of level 7, even Xu Feng of level 8 couldn't stop Chu Han's sudden attack. Xu Feng was recognized as one of the strongest wolf teeth, not to mention an ordinary person A member of the wolf tooth battle group?

What's more, when Chu Han made such an abnormal behavior that was enough to frighten his companions, why did the assailant lie on the ground with no reaction at all when he was the next batch of replacement companions?!

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