The Heavens: One World, One Superpower

Kagaya Ubuyashiki said, "This suggestion is excellent. Although we don't know the whereabouts of the Upper Moon demons now, it doesn't mean we won't know in the future. As long as we discover the location of the Upper Moon demons in the future, we can use this method. It is also an opportunity to weaken the Upper Moon demons, which will reduce our losses."

It's the Love Pillar, Mitsuri Kanroji's turn.

Kanroji Mitsuri lowered her head shyly and said, "I'm very sorry, I couldn't think of any way."

At this moment, the eldest brother, Rengoku Kyojuro, laughed and said, "In the end, it's because we know too little about demons. They are too mysterious, so we are always on the defensive whenever we encounter them. If we could learn more about the details of demons, perhaps we could come up with a way to use ultraviolet lamps."

Kagaya Ubuyashiki nodded and said, "Indeed, even though the Demon Slayer Corps has been established for over a thousand years, our understanding of demons doesn't seem to have increased much. The discovery of ultraviolet lamps was a turning point that only came about after industrial development."

It was Shinobu Kocho's turn.

Shinobu Kocho shook her head and said, "I'm sorry, I haven't been able to think of any other way either. Compared to the ultraviolet lamp, I prefer to use my Nichirin Blade and the poison from the wisteria flower to kill the demon."

This is also the idea of ​​the other pillars.

After all, while ultraviolet lamps are powerful, their drawbacks are quite obvious.

Their battles at the Pillar level were extremely dangerous.

The slightest mistake could lead to certain death.

Therefore, they are more inclined to believe in the Nichirin Blade in their hands and their own strength.

Finally, it was Su Chen's turn.

Su Chen looked at everyone.

Finally, he slowly revealed his thoughts.

"I think we can consider it from two main aspects: strategic defense and strategic offense."

Upon hearing this, everyone's eyes lit up.

Knowing that Su Chen was shrewd and already had a plan, she realized that Su Chen was a man of great ambition and had already devised a strategy.

"The so-called strategic defense involves deploying ultraviolet lamps at various outposts. This serves two purposes: firstly, it cuts off the demons' senses, creating a clean zone. As far as I know, higher-level demons can project their consciousness into the minds of lower-level demons, and Muzan Kibutsuji can project his consciousness remotely through cells stored within demons' bodies. The demon that was brought here earlier might have already been seen by Muzan Kibutsuji across millions of miles."

Upon hearing this, everyone was shocked.

They didn't know that.

If what Su Chen said is true.

That means Muzan Kibutsuji might know about many things.

In a short time.

All the Pillar-level swordsmen were sweating profusely.

Kagaya Ubuyashiki also clenched his fists.

Su Chen continued, "If you fill the area with ultraviolet lights or plant wisteria, you can block this kind of spying. It will serve as a defense and prevent evil spirits from interfering."

Everyone nodded.

"Strategic offense refers to utilizing various measures to make full use of ultraviolet lamps throughout actual combat. The Flame Pillar and Mist Pillar have each explained a method, both of which are feasible. The only drawback is that it is difficult to apply in battles between Pillar-level warriors and Upper Moon demons, but we don't need to be limited to the application of ultraviolet lamps. I have heard that modern industry can produce a type of shell called a 'flare,' which emits light that is even stronger than sunlight during the day. Moreover, once this shell is ignited, it cannot be extinguished unless it is completely burned."

"Therefore, I think we can introduce these flares into pillar-level battles. They can function similarly to ultraviolet lamps, or even more effectively. Of course, all of this still requires experimentation."

Everyone broke out in a cold sweat after hearing this.

They had never heard of such a shell before.

In fact, because they have been fighting evil spirits for so many years, they don't even know how far modern industrialization has progressed.

Tanks, airplanes, machine guns, and so on have all been invented.

During his ten-odd days in Tokyo, Su Chen had already searched for many books.

To understand the level of industrialization in this era.

Many powerful weapons of war have already appeared.

If modern warfare weapons were applied to the fight against evil spirits, it would be a reconstruction of the underlying logic.

Although Kagaya Ubuyashiki cannot see, one can sense that his eyes are glowing.

As a bigwig in the political and business world, he certainly knew the extent to which weapons produced through industrialization had reached.

The flares seem to actually exist.

Moreover, it is used by the military.

With his family's influence, they could easily use a portion of it for experimentation.

He clapped his hands in praise: "Excellent, excellent, Xiao Chen, your understanding of modern technology is truly astounding. Indeed, flares are now being used in the military field, and I will make arrangements for that."

Su Chen nodded and said, "There's one more thing. Some evil spirits' blood demon arts include spatial manipulation, illusion, poison, and so on, which are extremely bizarre. But with ultraviolet lamps, these blood demon arts can be completely broken. For example, if a swordsman is poisoned, you can try using an ultraviolet lamp to irradiate him and destroy the toxins created by the blood demon arts."

Beimingyu Xingming nodded and said, "That's right, that's one direction. Young people these days are really remarkable; they have diverse perspectives and their words hit the nail on the head."

Su Chen glanced at the flower pillar butterfly Kanae.

The latter was quite surprised.

Ever since they met, Su Chen seemed to be looking at her intentionally or unintentionally.

It has happened no less than fifty times.

She was very perceptive about this.

Su Chen sighed inwardly, feeling truly heartbroken that Kanae Butterfly had passed away.

Determined to expose a secret, even if it arouses suspicion from others.

Su Chen said, "I have two more things to explain to everyone."

Kagaya Ubuyashiki was very pleased. Su Chen had already brought a lot of insights tonight, and he believed that after tonight, it would play a very important role in the Demon Slayer Corps' mission.

Unexpectedly, Su Chen had two more things to say.

Isn't that two unexpected surprises?

He was very eager and said, "Xiao Chen, please speak. We are all ears."

Su Chen said, "The first thing is that I did an experiment when I participated in the final selection at Tengxi Mountain, where I let one evil spirit devour another evil spirit."