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With the power of shadows, Zhang Xiao seemed to turn into a shadow without thickness, appearing in the air duct hidden behind it in the darkness and in an instant through the almost non-existent gaps in the metal corridor. Pen, fun, pavilion www. biquge。 info

Not to Zhang Xiao's surprise, although the air duct is not big, it is not small, at least for Zhang Xiao, he can barely move slowly.

This saved him the amount of mental energy needed to maintain a shadow state for 10 seconds, which was capable of activating about three shadow movements on its own.

In order not to make a sound as much as possible, Zhang Xiao did not choose to crawl slowly, but as when he "jumped" in the hospital, he let the gasified Shura knife wrap himself, and the red clouds surged, and Zhang Xiao, who was in it, was already "flying" towards the depths of the air conditioning pipe at a slightly slower speed than walking.

Although the underground research institute is hidden, the structure is not complicated, as can be seen from the arrangement of the air ducts, there is only one air duct above the metal corridor, and there are no complicated branches.

Zhang Xiao easily walked through the empty room just now, passed through the unlocked metal door, and finally entered the research institute in a straight line.

Behind this metal door, there was an air outlet sealed by an iron fence and a filter, Zhang Xiao hesitated slightly, did not immediately go out of the air duct, but slightly accelerated the speed of the red cloud rolling, and quickly "walked" the entire underground research institute along the air duct.

It's not that he doesn't have much hope of finding a weakly protected place to get out, but he wants to find his target through the air duct - a place where the air duct can't get in.

If the people in this underground research institute are not stupid, then the research and storage place of the T virus will inevitably have a separate air transmission and output pipe, which is isolated from the air ducts of the entire underground research institute, instead of sharing an air system with the entire research institute.

Otherwise, if the T virus leaks a little, the entire research institute will be finished, and I believe that except for the screenwriter of the Resident Evil movie, no fool will make such a low-level mistake.

Sure enough, as Zhang Xiao expected, soon, he found his goal through the abnormal "open circuit" of the air pipe.

"Calculating the location, this place is already in the deepest part of the research institute, and there is still a distance from the vent just now, the density has decreased a lot, it should be an unmanned isolation area, and it is not easy to get to this place."

While relying on Hongyun to return the same way, Zhang Xiao carefully calculated all the vents and air outlets he encountered in the air duct, relying on the overall number, arrangement density, and individual size of these things to slightly guess the actual situation of each room in the underground research institute.

Of course, this map depicted in his mind must be different from the actual room situation in the underground research institute, and there will even be a big difference, but it is still necessary for Zhang Xiao.

Although it takes a lot of effort, this map can give Zhang Xiao a rough topographical image of the research institute, guide him in the direction and not get lost.

After all, for covert infiltration or even assassination, the least geographical advantage cannot be in the hands of the other party.

After a while, Zhang Xiao returned to the position of the original gate, according to the sound he heard all the way just now, the vicinity of the gate was the quietest, and it was likely that there was no one at all, or only a small number of guards.

Of course, this is not to say that the Underground Research Institute does not have other surveillance weaknesses, but it is probably easiest to infiltrate from this place, and it will be much easier for him to retreat when he is sure that there are no guards at the gate.

As important as the gate is, in a place as secluded as the Underground Research Institute, where there has probably never been an outside invasion, there are probably no guards, or unless the guards are changed, even if the guards "disappear", they will not attract the attention of others.

After all consideration, Zhang Xiao still decided to sneak in from the gate.

It was said to be infiltrating, but Zhang Xiao didn't use the shadow to move like he did just now.

In this brightly lit underground research institute, although the shadow dimension still almost coincides with the real space, the shadow that connects the shadow space almost does not exist.

Zhang Xiao's shadow movement can be regarded as temporarily "sealed".

So this time, his method was crude.

Zizi Zi Zi - !!

A 10-fold loud noise, 10 times more intense than fingernails scratching a blackboard, suddenly sounded.

I saw that the vent near the gate of the research institute suddenly erupted a rolling red cloud, and the iron fences, filters, etc., which had blocked Zhang Xiao's way out, disappeared in an instant, and the red cloud was like a flood discharge, turbulent, and suddenly disappeared with the noise disappearing.

With a snap, Zhang Xiao stood steadily in the passage of the underground research institute, turned his head to look around, and his tense body relaxed slightly.

Not surprisingly, there is no one in this place for the time being, but Zhang Xiao has already seen the small room on the side, and it seems that there should be guards arranged here, but I don't know where the guards have gone now.

"Trouble."

Zhang Xiao did not choose to take advantage of the fact that no one continued to invade, but turned around and walked to the guard's small room, since he had decided to ensure the back road, of course he could not let go of this guard.

It should be said that even if all the guards after are bypassed, only this one here can't be let go!

There was nothing in the room, nothing but a table and chairs, a mirror hanging on the wall and a cabinet for clothes.

Zhang Xiao looked at it and slowly approached the cabinet, he knew where he should be hiding.

Zhang Xiao didn't wait too long, and after about five minutes, a man in a black suit walked back.

He didn't notice the difference in the vents above his head, rubbing his stomach as he muttered back to his room.

"Damn, I'm going to have diarrhea too?!"

Pushing open the door, he didn't notice anything different in his room, looked in the mirror, loosened his tie again, sat down in his chair, put his feet on the table, and began to mumble again.

I didn't notice anything different about the cabinet behind me.

In fact, the cabinet is no different, there is no inexplicable opening, and there is no distortion, because what really makes the difference is the shadow of the cabinet reflected by the light.

It's slowly squirming, slowly ...... A human figure emerges!

It was Zhang Xiao, he was hiding in the shadows.

He'd just used the shadow movement.

It was also a flash of inspiration, after he dived into the shadows, he didn't move, which was much less consuming mental power, so the time to enter the shadows was also slightly extended.

Just now, he stayed in the shadow for a total of 10 seconds, which is not a small number, although a shadow movement can be displaced by 5 to 10 meters, but the time to enter the shadow is only 1 second, this time it is ten times longer.

Compared to the two, each has its own merits, different biases, and different applicability, but at least at this time it is definitely more useful to dive into the shadows.

Zhang Xiao didn't think much about this new ability, he restrained his distracting thoughts, his eyes were calm and waveless, and the vaporized Shura knife in his hand re-condensed and formed, with only a thin layer of red mist lingering.

His breathing stopped, his heart beat extremely slowly, his bare feet stepped on the cold ground, and he slowly handed out the Shura knife.

Silently, the Shura knife swept over the head of the guard leaning back in the chair.

Bang, head fell to the ground.

With a clang, the upturned chair fell.

Zhang Xiao took a step forward and held the corpse of the headless guard who was about to fall.

Infiltrate Assassination: 1/???。

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