Demon Slayer: I am a Demon

Chapter 180 Crimson Blade, Marks, and the Transparent World

"What is the Crimson Blade? What are the markings? And what exactly is this so-called Transparent World?"

The moment Shinobu Kocho entered, she urgently asked, "How can I activate the Crimson Blade and the Mark? And how can I reach the Transparent World?"

"No rush, no rush."

Su Mu drank a glass of wine and looked gently at the impatient Shinobu Kocho.

Shinobu Kocho also sensed her own impatience.

She felt ashamed, probably because this person looked down on her again. However, she had probably already embarrassed herself in front of this person several times before, so she was no longer as embarrassed as she had been at the beginning. But the girl's delicate face still flushed slightly.

Once Shinobu Kocho had calmed down, Su Mu looked at Urokodaki Sakonji and asked, "Urodaki-senpai should know something, right?"

Under the mask, Urokodaki Sakonji shook his head: "I do know about the Crimson Blade, the Mark, and the Transparent World. These are the realms that the original swordsmen could reach. Back then, these original swordsmen could even fight against Kibutsuji and Muzan with these. But all of this has long been lost. I only know the name."

"I don't really understand what the Crimson Blade is, what the Mark is, or what the Transparent World is like."

By now, besides him, there are probably not many others in the Demon Slayer Corps who know these things. At least, many of the Pillars don't know. The only one who knows these things is probably Rengoku Kenjuro, who was just killed by the Upper Moon Three.

Perhaps it was precisely because he knew these things that Rengoku Kenjuro completely lost his fighting spirit.

Su Mu nodded, invited the group to have a drink, and then, amidst their anticipation, began to speak: "The so-called Crimson Blade is created by using powerful grip or through the collision of weapons, which raises the temperature of the blade, transforming it into a Crimson Blade. Once a weapon becomes a Crimson Blade, it increases the damage it inflicts on demons, and the regeneration speed of the parts of the demon struck by the Crimson Blade will also decrease —"

Su Mu spoke in a low voice, first explaining the principle of the "Crimson Blade," which was what he knew.

Upon hearing this, Urokodaki Sakonji also picked up his Nichirin Blade and gripped the hilt with his powerful grip.

"You need to transfer your own power to the blade to raise its temperature—"

Su Mu explained from the side.

As a "Pillar", Urokodaki Sakonji is naturally extremely strong, but his strength is ultimately not enough. He can feel that as his grip strength increases, the blade does not heat up as quickly as he expected.

If all this is still in the midst of battle, achieving the "Crimson Blade" will be extremely difficult. Perhaps, activating the "Crimson Blade" at the moment of slashing at the demon's neck might be useful.

However, in regular combat, it is almost impossible to maintain this state at all times, and it can even be a hindrance.

Therefore, it's best to activate the "Spots" before activating the "Crimson Blade".

Su Mu whispered, "Once the 'Marks' are activated, the body will unleash astonishing power. At that time, activating the 'Crimson Blade' will be very easy."

How do I unlock the "stripes"?

Shinobu Kocho asked from the side, explaining that she had just tried to activate the so-called "Crimson Blade," but it was impossible to do so with her own grip strength. She thought that when she got back, she could try to see if the collision of weapons could achieve the "Crimson Blade."

"To activate the markings," one needs a body temperature of 39 degrees Celsius, maintain a state of intense heat throughout the body, and have a heart rate exceeding two hundred beats per minute. Breathing in this way, accompanied by the inhalation of large amounts of oxygen, accelerates the heartbeat to supply oxygen, providing a continuous source of power for the body's explosive force.

Before Su Mu could finish speaking, Shinobu Kocho interrupted, "But in this state, the human body can hardly withstand it, especially the high temperature, which can be life-threatening."

As a doctor, Shinobu Kocho knew very well that the organs inside the human body are actually very fragile, and such a high temperature could easily trigger death.

"Therefore, once the markings are activated," a person will fall into an extremely dangerous state, and only by surviving this high-temperature state will the markings appear on the body. Moreover, once the markings appear, they act like a magnetic field, making those around them very likely to develop markings as well, as if resonating with the energy.

As he spoke, Su Mu said in a low voice, "So, activating the markings is essentially like overdrawing one's own life force. Generally, people who activate their markings almost never live past the age of twenty-five."

Upon hearing this, Urokodaki Sakonji probably understood why the traditions of "stripes" and "crimson blades" had been severed.

At that moment, Tanjiro thought of his father: "So, the reason why the markings that suddenly appeared on my father's head were because—"

"Yes, Mr. Tanjuro lost his vitality so early precisely because he activated his Demon Slayer Mark."

Hearing this, Tanjiro finally understood why his strong father had suddenly fallen ill and become incredibly weak, and why many doctors couldn't diagnose him.

Su Mu ignored the dejected Tanjiro and continued, "As for the 'Transparent World,' the key lies in the precision of breathing and movements, and the ability to exert maximum power with minimal action. In this way, the mind gradually becomes transparent. Initially, one must pick up the movements and sensations. As the five senses open, one will even need to recognize every blood vessel in their body. This stage will be very painful for the user. After memorizing and absorbing many things, unnecessary parts of the movements are shut down, leaving only what is necessary for the movement. Over time, the opening and closing of the muscles and blood vessels in the body will become as quick and simple as blinking. At that time, light will appear, and the path will open. Once the mind becomes transparent, one will begin to see a transparent world. Is this the way to achieve the Transparent World?"

Urokodaki Sakonji murmured beside him, feeling as if a window had been opened on a road that had been blocked for many years.

Once the "Transparent World" is activated, everything becomes almost transparent to the eye. One's predictive movements and evasive speed are greatly enhanced, muscle contractions become faster and clearer, and one can clearly see the rise and fall of the opponent's lungs and the flow and contraction of blood vessels, thereby also being able to detect the opponent's movements...

Weaknesses are clearly visible. Furthermore, once the "Transparent World" is activated, one's own "battle aura" will be hidden, and others will no longer be able to detect one's own "battle aura" —

Tanjiro, standing beside him, also recalled the feeling of his father pressing his hand on his shoulder that night, making him feel as if he had entered another world. He then realized that this was the so-called Transparent World. Su Mu then shared all the knowledge he knew about the Crimson Blade, the Mark, and the Transparent World.

These seemingly simple pieces of knowledge are actually not easy to put into practice, and many people may never achieve them in their entire lives.

But that only applies to a portion of people. For some exceptionally talented individuals, once they find their direction, accomplishing all of this is not a problem.

At least for the Pillar, apart from the Transparent World, although it is still difficult, it is not impossible to grasp.

The only thing to consider is that activating the markings will put oneself in a critical state, which may also lead to a serious problem of shortened lifespan.

The meal lasted a very long time, and even the wine jug was refilled several times by the kitchen staff.

Afterwards, Urokodaki Sakonji returned to his residence and wrote a letter, which was then sent off as a crow flapped its wings and flew by. The letter concerned...

The Crimson Blade, the Demon Slayer Mark, and the Transparent World were also transmitted to the Demon Slayer Corps headquarters.

When Kagaya Ubuyashiki received this news, he almost clenched his fists in excitement, and his usually calm face showed excitement.

Kagaya Ubuyashiki, who had been somewhat disheartened by the death of Shinjuro Rengoku, suddenly seemed to see hope in eradicating Muzan Kibutsuji.

Not long after, the crows flapped their wings again and flew off to various places.

"The Rock Pillar" Gyomei Himejima lowered his head, looking at the information about the Crimson Blade, the Mark, and the Transparent World. Almost the instant he saw the information about the Crimson Blade, he began to try it out. His hand gripped the hilt, and the powerful grip instantly made the blade blaze. He couldn't see the blade turning red, but Gyomei Himejima could feel the temperature of the blade.

"roar----"

A demon charged forward, and Beimingyu Xingming swung his sword. The scorching blade sliced ​​through the demon's arm faster and more smoothly than ever before. Moreover, one could feel the intense heat spreading across the demon's body as the blade struck it.

"Has the Crimson Blade become this powerful?"

With a low voice, after smashing the demon's head with a punch, Himejima Gyomei began to ponder how to activate the "stripes" and the Transparent World.

Kyojuro Rengoku, the "Flame Pillar" who was in Tokyo, put down the letter in his hand and began to silently try out the "Crimson Blade." Feeling the blade heating up, Sanemi Shinazugawa, the "Wind Pillar," also soon received the news and began to try it out as well.

Kanae from the Butterfly House also soon received messages from her sister and lord, both about the Crimson Blade, the Mark, and the Transparent World. However, compared to her lord, who had more knowledge about the Crimson Blade, the Mark, and the Transparent World, her sister mentioned a person named Su Mu more in her letter.

As the older sister, Kanae Kocho knows her younger sister almost inside and out. Even a single letter is enough for her to sense the changes in her sister.

She knows her sister too well.

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