A Scientific Urban Detective

"But," Lin Wuming suddenly thought of something, "Since you're here to protect me, why did you start a fight with me just now?"

"Don't you think that's a fun way to start?" Yobou Banka said with a smile. "Besides, we also wanted to see your true strength right now."

Rindou Ringo and Nagareka Chikage nodded in agreement, looking like they were enjoying the show.

"Seriously..." Lin Wuming was speechless.

At this moment, Kakine Teitoku suddenly said, "This young master doesn't think you need any bodyguards, so this mission is easy for us."

The fact that he was still in the mood to bring two unrelated girls along for the operation showed that Kakine Teitoku wasn't taking it seriously at all—he felt that Lin Wuming was fully capable of protecting himself and didn't need his help at all.

"However," Kakine Teitoku still reminded him, "Intelligence shows that the people who want to assassinate you have hired a professional team, which is not the same level as those weak assassins before. That's why my employer sent us to protect you."

"I understand," Lin Wuming nodded.

It seemed that the assassination attempts against him were not over yet, but the enemy had found more elite assassins.

But as Kakine Teitoku judged, no matter how elite the assassins were, they couldn't succeed.

Lin Wuming's "bullet time" was a natural counter to assassination.

Lin Wuming was very confident about this.

Just then, Nagareka Chikage suddenly leaned on Rindou Ringo, saying softly, "I feel a little dizzy."

"Huh? Are you feeling unwell?" Rindou Ringo quickly asked, but then she herself felt a wave of weakness, "Strange, I'm also feeling a little dizzy..."

"I feel like I can't breathe," Kouzaku Ryoko raised her hand to cover her mouth and nose, frowning slightly.

Her hunting instinct made her keenly aware that something was wrong, and she subconsciously looked around.

"So it's started? And it's such a strange attack method," Yobou Banka said calmly. "As expected of professional killers."

Since the employer had spent a lot of money to hire them, it was clear that they wouldn't let the money be wasted—the enemy would definitely take action.

"Tch, not nearby, it's a long-range attack!" Yokusai Umi said.

At least the attacker was definitely outside the range of the "Mental Stamping"—otherwise, she wouldn't have been affected!

"Boss, save me, I'm suffocating," Yokusai Umi decisively asked for help.

In just a dozen seconds, the enemy's attack method was already clear—suffocation.

Even the most powerful esper needs to breathe.

"Suffocation" was a simple and effective attack!

"It's a lack of oxygen..." Lin Wuming suddenly looked up, taking a deep breath as he said, "To be precise, it's nitrogen poisoning!"

Unlike the others, who only felt "a little out of breath," Lin Wuming had just walked through the gates of hell and back.

There was no doubt that someone was launching a hidden attack.

Just as the "School" members said—professional killers had taken action.

Just a few seconds ago, Lin Wuming, without any defense, inhaled a mouthful of "pure nitrogen" and directly entered a dangerous state of "nitrogen poisoning."

Under normal circumstances, after inhaling nitrogen with a concentration higher than 80%, the body would be forced into a state of absolute oxygen deficiency, with insufficient blood oxygen within 5 to 7 seconds, loss of consciousness and mobility within 10 to 12 seconds, and death from suffocation after two minutes!

As for inhaling nearly 100% pure nitrogen, the process would be even faster and more rapid.

Lin Wuming's throat was being strangled by such an environment of "pure nitrogen"—the air around him had a problem, the oxygen concentration suddenly dropped to almost zero, and it was replaced by "pure nitrogen" with a concentration close to 100%.

Because such an attack was silent and undetectable, Lin Wuming didn't realize he had been hit until he noticed that the surrounding environment had suddenly become "slow motion!"

Then, in "bullet time" mode, Lin Wuming spent a long subjective time finally finding the source of this "fatal crisis."

He never expected that a lack of oxygen in the air would cost him his life!

However, now that he had found the source of the problem, it wouldn't be difficult to solve it.

It should be noted that Lin Wuming's Nen ability for precise manipulation could now reach the "molecular" level.

This also meant that Lin Wuming could indirectly "observe" the microscopic world at the molecular level through his Nen ability.

After testing, Lin Wuming found that the "pure nitrogen" environment only existed around him—specifically, it formed a spherical area with a radius of about half a meter centered on his head.

Further out, the concentration of nitrogen gradually decreased, and when he was two meters away from himself, it returned to the normal 78%.

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So, Lin Wuming began to "transport" oxygen molecules from the normal environment two meters away.

Of course, artificially transporting oxygen molecules was destined to be extremely inefficient. Under normal circumstances, by the time he transported enough oxygen to sustain his life, he would probably have suffocated to death.

But in "bullet time" mode, Lin Wuming had no shortage of time, and the concept of "efficiency" was meaningless to him.

Moreover, because he had unconsciously inhaled high-purity nitrogen, the oxygen concentration in Lin Wuming's body had irreversibly fallen to a low point—he was relying entirely on the "bullet time" state to avoid falling into a coma.

In this situation, simply inhaling oxygen would not immediately restore his body functions to normal.

Therefore, Lin Wuming took the operation of using his Nen ability to construct a "second circulation", directly sending oxygen molecules into the blood and artificially adjusting the arterial blood oxygen content.

—Thanks to Lin Wuming's thorough study of "Human Anatomy."

In short, the entire process took less than ten seconds, and Lin Wuming had successfully escaped from the "fatal crisis."

Then he had the time to open his mouth and remind, "...This is nitrogen poisoning!"

As he spoke, Lin Wuming skillfully used his Nen ability to form a breathing tube, one end connected to the normal air in the distance.

Having left the "bullet time" state, the method of "artificially transporting oxygen molecules" was no longer feasible.

"Don't resist, this is a breathing tube I made," Lin Wuming also connected the breathing tubes to the others.

But unsurprisingly, the "School" members refused.

"I can make something like this too," Yobou Banka said disdainfully.

But even as he said this, he did not take any corresponding action, but instead looked around intently, searching for the person who launched the hidden attack.

As for Kakine Teitoku, not only did he not accept the breathing tube made by Lin Wuming, he even scattered the breathing tubes in front of Rindou Ringo and Nagareka Chikage.