Actually, just adding a layer of freezing effect to the Flying Sword is simply the most basic Enchantment Technique, and Luo Chao is confident he can do it. The difficulty lies in the fact that his Flying Sword has a Wood Attribute, which significantly increases the difficulty.

He bit open a wound on his finger, letting the blood flow out, using the blood as ink and the finger as a pen to inscribe on the sword's body. This method has its advantages and disadvantages. The advantage is saving a lot of time, allowing him to complete the enchantment at the fastest speed. The disadvantage is that it cannot be preserved permanently, merely temporarily producing a freezing effect.

Luo Chao's pursuit is speed. As long as he succeeds, he can control the Flying Sword to seal the poisonous gas outlet, thus completing his mission.

Time is wasted with each of Luo Chao's repeated failures. Liu Qingqing and Guo Ren, as the main defensive forces, are already pale, with sweat droplets the size of beans continuously falling, their bodies swaying, and it looks like they could collapse at any moment.

Even Wu Zhongli, who acts as a "fueling station," is not feeling well, panting heavily and keeping an eye on Luo Chao's situation with his peripheral vision.

This situation makes the two who can't help feel like ants on a hot pan, pacing in the already small space.

Nangong Hanhan couldn't bear it anymore. She couldn't understand what Luo Chao was doing at all; could scribbling on that broken sword resolve the current situation? She urged, "Captain, are you done yet? It's been fifteen minutes, and Sister Qingqing and the others can't hold on much longer!"

"Boom~~" A red smoke rose from the body of the Green Forest Sword.

Her sudden shout distracted Luo Chao, and this attempt at enchantment ended in failure again.

Luo Chao was furious. This time he was so close to success, but now he had to start all over again. Feeling irritated, he roared, "Shut up!"

Nangong Hanhan was scared stiff.

Luo Chao certainly looked terrifying at this moment, with a ferocious expression and bloodshot eyes from overusing his Spiritual Sense, giving the impression of someone on the verge of devouring others.

"Captain, stay calm, you must stay calm." Wu Zhongli, still able to speak, quickly intervened: "Time is running out, everyone's lives depend on you!"

Taking a deep breath of the limited air here, Luo Chao once again suppressed his rage and focused on the engraving. According to his own calculations, he only had time for one more attempt. If he didn't succeed this time, he would have to go into the poison gas himself to solve the root of the problem.

His finger moved back to the sword. This time, thanks to his experience and the remaining marks from previous experiments on the sword's body, the process went unexpectedly smoothly, almost like flowing water, completing the enchantment.

"It's done!" Luo Chao shouted with joy, biting his tongue tip, spitting a mouthful of Essence Blood onto the Green Forest Sword to complete that final step, the heart-blood sacrifice.

The Flying Sword rose into the air and shot out of the protective shield with a "whoosh," sealing the passage it traversed in ice instantly. Luo Chao suddenly felt full of confidence.

His Spiritual Sense drove the Flying Sword to swiftly shuttle back and forth, accurately striking a smoke nozzle and, as hoped, sealing it in ice, preventing any more poison gas from escaping.

The two Ninjas before the CCTV casually watched the room filled with thick yellow fog, calculating that it was about time and that it was time to "collect the bodies." However, to be cautious, they decided to wait a bit longer.

"Zhizi~~" The monitor screen suddenly turned to snow, and nothing inside could be seen. The two immediately stood up, realizing something had changed, and hurriedly switched to other surveillance cameras, only to find that all the cameras had been destroyed, rendering them unable to see anything.

"What do we do?" One of them asked in Japanese.

"Report to Lord Inoue."

The two made a decision and immediately prepared to report the sudden situation.

With the source gone, the poison gas in the room gradually faded, posing no threat to the group anymore. They finally removed the protective shield and sat down on the ground, breathing heavily.

The oxygen inside the shield had not been sufficient, so all six of them had been carefully regulating their breathing, taking in only a little at a time, which helped them endure that painful period.

"Damn it, always getting tricked by those bastards," Nangong Hanhan, whose strength remained largely intact since she hadn't fought yet, was very displeased at being duped and cursed loudly.

"They're hidden, and we're in the open. It's normal. Rather than wasting time cursing, you'd better prepare for defense. If I'm not mistaken, they'll be coming out soon." Liu Qingqing calmly analyzed. Even though her body was greatly depleted, she could still maintain this level of rationality, making her a woman not to be underestimated.

"Let them come. We're not afraid of them," Nangong Hanhan said without hesitation, filled with anger.

"There's truth in what you say!" Guo Ren chuckled bitterly, but then his face changed.

"They're coming!!"

The moment he said this, the others also heard the sound of objects slicing through the air. Luo Chao clearly saw the gleaming blue light on the shuriken and caltrops the Ninjas threw out.

"Dodge! They're poisoned!" He instinctively pushed everyone away, wielding the Green Forest Sword like a storm, deflecting a large number of hidden weapons. Even those few that slipped through the gaps were dodged by him at the last second.

The battle began instantly, and both sides clashed in the blink of an eye. Strangely, only four Ninjas came out this time, and they were all Chūnin; the other four, including the two Upper Ninjas, did not come out to fight.

This gave the Eighth Squad a chance—they were already exhausted from earlier, and had it become a two-on-one situation, victory would have been hopeless. Now, although the situation was still critical, it was much better than that outcome.

Luo Chao's opponent was like all the Ninjas he had seen before, dressed in black samurai clothing and masked. The only exception was his height and build, towering a head above Luo Chao, a stature not common in Japan.

The samurai sword he wielded was also quite large, practically a machete in size. At first glance, it seemed ordinary, but Luo Chao sensed something was unusual about it.

At a distance of ten meters, the opponent had already drawn his sword, delivering a powerful Full Moon Slash, carving a deep trench in the ground as it headed straight for Luo Chao.

Intending to test his opponent's strength and make an accurate assessment, Luo Chao didn't dodge this strike. He crouched into a bow stance, holding the sword hilt with his right hand and the sword tip with his left, holding it upright in front.

By the time he completed all these actions, the Full Moon Slash was already upon him.

"Boom~~" The sound of a heavy collision rang out, and Luo Chao felt an unusually strong force from the opponent's strike, forcing him to retreat more than ten steps before he could dispel the force.

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