Everything that had happened during the Sengoku era had now become stories of legend in the practical sense for today's Demon Slayers.
Against such Demon Slayers, Mitsuba could kill them all with a branch picked up from the ground without even using her Blood Demon Art.
Yet it was precisely these Demon Slayers who still possessed the capability to slay Upper Rank demons, even if only the weakest Upper Rank Six.
The Twelve Kizuki had truly fallen, no wonder Lord Muzan was so furious...
Fortunately, Doma didn't seem to belong to this category?
Although he had just been promoted to Upper Rank, Doma's strength was indeed not to be underestimated.
Inside the Demon Slayer Corps base, Doma charged in alone. Facing the siege of numerous Demon Slayers led by a Hashira, he still handled it with ease.
He even had the energy to toy with several of the more attractive female Demon Slayers.
Doma's Blood Demon Art was quite unique. He could condense his own blood into ice crystal powder and disperse and manipulate it through the pair of iron fans in his hands.
According to Doma's thinking, these ice crystals could either form simple ice pillars and ice mist, or transform into ice golems and giant ice bodhisattvas with autonomous combat capabilities for attack—extremely comprehensive attack methods.
Furthermore, his ice crystals could even silently enter the lungs of Demon Slayers along with their breathing, causing irreversible damage to their alveoli.
For Demon Slayers who relied on Breathing Styles, this was practically a devastating blow.
Like Mitsuba, Doma's Blood Demon Art belonged to the category that possessed extremely strong lethality against humans.
A natural-born nemesis of Demon Slayers.
Of course, these matters had nothing to do with Mitsuba. Evaluating Doma was Lord Muzan's job. She was only curious about Doma's reactions during battle.
Consistent with the personality Doma deliberately displayed, he belonged to the "talkative and playful" type during combat.
Even when he already held overwhelming superiority in combat power, he wouldn't do something like one-shotting his opponent. In fact, if his opponent showed willingness to chat, he would even proactively stop and exchange a few words with them.
But just as Mitsuba had previously speculated, under the Transparent World, regardless of what emotions Doma displayed, there were no corresponding changes in his blood flow or heartbeat.
This guy was truly performing the entire time.
So why exactly did this guy do such meaningless things?
"Demon! Die!"
Just as Mitsuba was contemplating seriously, a Demon Slayer on the outskirts of the base finally noticed her. Raising his blade and roaring, he charged over to slash at her.
"Don't bother me, the demon is inside. Go chop him."
"O-oh! Okay!"
Too lazy to deal with him, Mitsuba—who was in deep thought—simply waved her hand and used her Blood Demon Art to alter this Demon Slayer's thoughts, immediately causing him to turn around and charge back toward Doma inside the base.
The scene was quite bizarre, yet this Demon Slayer didn't perceive anything abnormal at all.
This was normal.
Time had passed, and Mitsuba's Blood Demon Art had naturally gained further development through the accumulation of long years.
Especially after nearly being killed by Tamayo and that generation's Demon Slayer Corps about a hundred years ago, under that threat of death, her application of Blood Demon Art—which had been stagnant for so long—achieved unprecedented progress.
In the past, the two abilities of Karmic Flower Plucking and Fate Overwrite were always used separately.
One required "cause" to have "effect"—without "cause," "effect" could not be induced.
The other was completely unrelated to karma, entirely focused on overwriting specific phenomena, but also restricted within her domain.
And now, Mitsuba could appropriately fuse these two abilities together for use.
Take that Demon Slayer just now—his original intention was "to swing his blade at Mitsuba."
If it were in the past, Mitsuba could at most influence the movements of his attack or command him to subconsciously commit suicide by blade. She absolutely couldn't make him turn back around and run to chop Doma.
Because this process was too long. During the process of turning and running back, this Demon Slayer would have ample time to react and realize Mitsuba's mental manipulation.
But the fact was, this person never realized he was being controlled throughout the entire process. Instead, he obediently followed Mitsuba's thoughts and went back to chop Doma.
The reason was simple.
In that instant just now, Mitsuba directly used Overwrite to forcibly create a karma of "I want to go back and chop Doma" in this Demon Slayer's mind.
Thereby, she covered the original karma of "I want to chop Mitsuba" in his mind, and ultimately achieved this reality.
That's right—forcibly creating karma that originally didn't exist using Overwrite, and making it replace the original karma to become reality.
Mitsuba could now accomplish this.
She named this new ability of hers "Karmic Overwrite."
This ability might sound somewhat ordinary, but upon closer inspection, it was truly terrifying.
This ability to forcibly twist reality could be described with an exaggerated phrase—
Mitsuba has taken another step closer to becoming a "god."
Of course, her new ability also had significant limitations.
Besides still only being effective within her domain as always, the "karma" Mitsuba could create also entirely depended on her own cognition and had to conform to corresponding logic.
She couldn't create any karma she hadn't seen, anything beyond her cognition.
For example, the Blue Spider Lily that Lord Muzan longed for day and night.
Mitsuba had never seen this flower and didn't understand its principles at all. Therefore, she completely couldn't use the ability of Karmic Overwrite to forcibly create this mysterious flower.
The limit of her ability depended on the limit of her own cognition.
But even with this limitation, her new ability was still so heaven-defying as to be inconceivable.
A few years ago, to test the limits of her new ability, Mitsuba once conducted a multi-stage experiment.
She first randomly found a farming peasant on the road and used the ability of Karmic Overwrite to create a karma for this peasant of "always carrying an ornate samurai sword on his person."
Initially, this attempt failed.
Because this peasant's family was poor, he had never encountered any noble person, and no great figure had ever been born among his ancestors.
It was impossible for an "ornate samurai sword" to appear in his home—this didn't conform to normal logic.
Subsequently, Mitsuba began multiple rounds of overwrite debugging on this peasant's karma.
First, Mitsuba modified his birth to something reasonably decent, adding the karma of "when he was born, his parents dug up ancestral buried wealth in the backyard of their home."
Thus, the peasant's image began to change before Mitsuba's eyes.
His physique was no longer frail but became somewhat plump. His clothing was no longer tattered and worn but was replaced with cotton clothes that only a few wealthy farmers could afford.
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