The headquarters of the Demon Slayer Corps.
It was established at the foot of a hidden mountain in the Arakawa River.
The reason for choosing this place.
It's mainly about safety.
This place is too remote.
Even demons don't come here.
Anyway, Bai Chuan had barely seen anyone along the way.
Even if a figure flashed past occasionally.
That's a member of the Demon Slayer Corps.
However, after walking through a desolate mountain path and turning a corner.
The scene ahead suddenly changed.
An elegant and exquisite manor stood in front.
This is the headquarters of the Demon Slayer Corps.
It is also the residence of Ubuyashiki Kagaya.
"We've arrived, the Master and the others must be waiting, let's go in."
Kocho Shinobu took the lead, leading Bai Chuan and Kasumi Shigure into the manor.
As soon as they entered, Bai Chuan's brow furrowed.
In Bai Chuan's perception.
Everywhere in this manor was filled with explosives.
Just one detonation.
Then, the entire manor would be blown to pieces.
Installing so many explosives in his own residence.
It can only be said that Ubuyashiki Kagaya is a truly ruthless person.
In the original story, he wanted to die together with Muzan.
He even sacrificed his own daughter.
This determination, it's no wonder that he became the Master of the Demon Slayer Corps.
..
Entering the depths of the manor.
Bai Chuan soon saw Ubuyashiki Kagaya who came out to greet them.
Upon seeing Bai Chuan.
Ubuyashiki Kagaya was taken aback for a moment.
He clearly didn't expect Bai Chuan to be so young.
Then he smiled and walked forward, complimenting, "As they say, heroes emerge from youth."
"I didn't expect Mr. Bai Chuan to be so young."
"Compared to you, I'm a complete failure."
Facing Ubuyashiki Kagaya who was clearly trying to please him, Bai Chuan smiled casually.
He didn't mind.
Instead, he continued, "My purpose, I believe Mr. Ubuyashiki is already well aware."
"Let's not waste words."
"I hope you've prepared what I need, Demon Slayer Corps."
Bai Chuan didn't give Ubuyashiki Kagaya any face.
He didn't want to talk about any kind of relationship.
He went straight to the point, he was here for the Breathing Techniques.
If it were anyone else saying this.
It might give off an arrogant vibe.
But Bai Chuan was different.
He had the right.
Just based on Bai Chuan's strength, he could be arrogant even more.
Even if he wanted to become the Master of the Demon Slayer Corps.
Ubuyashiki Kagaya would willingly yield his position.
Moreover, compared to the Sun Breathing that Bai Chuan brought back.
Being a little arrogant wouldn't be a problem at all.
"Mr. Bai Chuan, of course, we've prepared everything."
"I'll take you to the residence we've arranged for you."
"As for the Breathing Techniques and some documents, I'll have them sent over immediately."
Thus, Bai Chuan stayed at the headquarters of the Demon Slayer Corps for the time being.
He planned to fully master these Breathing Techniques.
Then go after Muzan.
.....
In fact, most of the Breathing Techniques.
Were created by Yoriichi Tsugikuni.
For example, Moon Breathing and the five basic Breathing Techniques.
These are all considered to be Yoriichi Tsugikuni.
Simplified versions created based on his Sun Breathing.
Therefore, most Breathing Techniques.
Carry a strong shadow of Yoriichi Tsugikuni.
But these things, to Bai Chuan today.
Are useless.
Fortunately, besides these.
The Breathing Techniques and documents provided by Ubuyashiki Kagaya.
Also include those over the years.
The understanding and supplementation of Breathing Techniques by generations of talented Demon Slayers.
These are the real essence.
Through these things, Bai Chuan can go further on the path of Breathing Techniques.
Integrating the wisdom of countless people.
Completely forge a path of Breathing Techniques unprecedented in history.
With a scientific mindset.
Bai Chuan began a period of seclusion.
Occasionally when he had free time.
He would also guide Kasumi Shigure or others in the Demon Slayer Corps.
Although Bai Chuan had only obtained other Breathing Techniques for a short time.
But his talent was outrageous.
He could comprehend Breathing Techniques in a day, equivalent to an ordinary person comprehending it for a lifetime.
In this case.
The effect of him guiding others.
It goes without saying.
It was visible to the naked eye, those who were guided by Bai Chuan.
Would all become stronger in a short period of time.
For a time, the overall strength of the Demon Slayer Corps began to soar.
This also led to some Pillars of the Demon Slayer Corps.
They would run to Bai Chuan whenever they had time.
They all desperately wanted to receive some guidance from Bai Chuan.
Along with this, Bai Chuan's prestige in the Demon Slayer Corps grew.
Those who didn't know might think he was the Master of the Demon Slayer Corps.
But in reality.
Bai Chuan didn't care about these things at all.
He guided those Pillars.
He also had the idea of doing experiments.
He just wanted to see.
When the Breathing Techniques practiced by those Pillars.
Were modified according to his intentions.
What kind of results would be produced.
It can only be said that the results were good.
But Bai Chuan's thoughts weren't so good.
But that's no longer important.
.....
Time flew by.
Another three months passed in a blink of an eye.
And in these three months.
Bai Chuan diligently researched Breathing Techniques.
Through his own efforts and the "omniscient" talent.
Bai Chuan finally successfully integrated the essence of various Breathing Techniques.
And created his own.
"All-Encompassing Breathing".
This Breathing Technique not only has extremely powerful combat effectiveness.
It can also significantly strengthen one's physique.
It even has the effect of extending life.
This is a truly perfect Breathing Technique.
Unfortunately.
This Breathing Technique has extremely high entry requirements.
Ordinary people wouldn't even be able to understand it, let alone master it.
Only Kasumi Shigure.
Could rely on her talent, "Inspiration",
To learn a little.
Other Demon Slayer Corps members, such as Kocho Shinobu.
They truly had no chance of entering.
Bai Chuan didn't care about such results.
He created the "All-Encompassing Breathing" only for himself.
Whether others could learn it or not.
Wasn't within his consideration.
"Time flies, it's almost time."
"It's time to send Muzan to his demise!"
After sorting out his gains from this period.
Bai Chuan thought to himself.
Letting Muzan live any longer.
Would be a bit rude.