"This is actually a technique that defies the common logic of Cursed Techniques, because all techniques have their limits, but Sukuna's Cleave can ignore such differences and kill in one hit."
"This is an extremely terrifying strike."
"What's even more terrifying is that no one can understand it."
"I thought about it for hundreds of years without figuring it out, until I used 'Simple Domain' in a certain battle."
Mahito raised an eyebrow.
"I remember the prototype of Simple Domain was Mihiraga Tsuguri."
"Monkeys are also the prototype of humans."
"Go ask anyone on the street if they admit to being a monkey."
The old man let out a triumphant laugh.
"Mihiraga Tsuguri can indeed be considered the prototype of Simple Domain, but it's not everything."
"The potential of my Simple Domain is beyond anyone's imagination, even for those who have already learned it."
A glint flashed in Mahito's eyes.
"...An extension of will?"
Ashiya Magon marveled, "It seems you have already realized something."
Ashiya Magon sighed again, "I couldn't figure it out for hundreds of years, but the moment I used Simple Domain in a battle, I immediately understood why Ryomen Sukuna could use Cleave."
"Willpower!"
"I once went mad trying to understand Ryomen Sukuna because I had the will to kill him."
"But the more I understood him, the more I could appreciate the will residing within him, the more I feared him, and the more I understood the gap between us."
The old man turned to look at Mahito, his eyes as sharp as swords, his voice cold as if containing ten-thousand-year-old ice:
"Ryomen Sukuna regards everything under heaven as his kitchen, and everyone as his food."
"His Cleave technique is the knife skill of a chef!"
"Earlier, when he ate people, I thought it was simply his cruelty, but later I realized that humans are just on his menu."
"He cuts human bodies..."
"...just as a chef cuts ingredients."
"His cannibalism isn't for show or to display cruelty; he truly loves eating people!"
"He truly treats humans as his staple food!"
"Ryomen Sukuna possesses the only Open-barrier Domain Expansion under heaven."
"Before this, I couldn't imagine anyone having an Open-barrier Domain Expansion, but after I perceived his inner thoughts, I immediately knew why he could achieve it."
"Barrier Techniques are an extension of imagination, and the Domain Expansion constructed with Barrier Techniques as a base is the same."
"It is hard for a person to imagine a barrier without walls."
"To let one's thoughts expand to the entire world is theoretically impossible, because it would mean the person is extremely twisted and arrogant, viewing the entire world as their own property."
"Now do you understand?"
"Ryomen Sukuna's will can override the entire world!"
"If he had enough Cursed Energy, I have no doubt his Domain Expansion could cover the entire Earth, this planet with a diameter of 12,742 kilometers!"
Kinji Hakari listened intently and murmured, "I finally know why you old fossils all care so much about Ryomen Sukuna..."
"...even using him as the third plan to deal with Mr. Gojo."
"People really cannot imagine existence beyond their own imagination."
"Before this, I always wondered how Ryomen Sukuna dared to compare himself to Mr. Gojo, but now I understand a little."
"Ryomen Sukuna's terror is not even a fraction of what I've described."
The old man sighed and continued, "Back to the topic."
"As I said, my Simple Domain was also deeply influenced by Ryomen Sukuna's open-barrier Domain."
"It can touch the deepest part of a person's will, combining their will with their Cursed Energy and projecting it outward."
"When a swordsman uses Simple Domain, they must be in an Iai Slash stance."
"Their mind is completely immersed in the limit distance reached by their Iai Slash."
"Within this distance, the swordsman is the unparalleled Ryomen Sukuna!"
Mahito thought of the scene where Kasumi Miwa used Simple Domain.
At that time, Kasumi Miwa closed her eyes, her body in an Iai stance, and a circle of Domain emerged from beneath her feet, spreading to a radius of 2.25 meters with her as the center.
Within this distance, even a wisp of air would be caught by her—this is the most traditional Simple Domain.
In the narration when the Simple Domain formed, Kasumi Miwa blunt stated that within this range, she could cut anything!
Of course, facts proved she couldn't; she was easily bypassed by Yuji Itadori and then broken by Maki Zen'in's long-distance throw, making her a textbook example of being proven wrong.
But from this, one can glimpse the core principle of Simple Domain: self-confidence, and even self-conceit.
This is the so-called Extension of Willpower!
Kenjaku nodded, "Old friend, you've revealed your core secret."
"By telling this story, any capable Jujutsu Sorcerer could use Simple Domain based on your thoughts and story, because 'Extension of Willpower' has never been the exclusive patent of swordsmen; Jujutsu Sorcerers can do it too."
The old man glanced disdainfully at Kenjaku.
"As expected of someone who understands nothing, your words make me laugh."
Kenjaku chuckled and said to Mahito, "Mahito, this old friend of mine is useless now."
"I've already conceived a Simple Domain more suitable for you, guaranteeing you won't need to learn swordsmanship at all."
"You damn...!" Ashiya Magon was furious.
"No, Kenjaku, that's where you're wrong."
"I understand what Master Ashiya means now," Mahito said thoughtfully.
Kenjaku raised an eyebrow, "Oh?"
Ashiya Magon looked at Mahito expectantly.
Mahito gently stroked Kirigiri and said slowly, "Although we are talking about Simple Domain, the focus is actually on one's own willpower."
"This is actually a means of regulating one's own will."
"The Iai Slash isn't necessary, but when a swordsman takes the Iai stance, the thoughts within can better condense and expand the Simple Domain."
"For most people, this is enough, which is why Teacher Kenjaku said swordsmanship isn't the focus."
"But it's actually the opposite; swordsmanship is the focus, because the imitation target of Simple Domain includes Ryomen Sukuna's Cleave technique!"
"The connection between the Cleave technique and swordsmanship is very strong; or rather, swordsmanship indeed has the ability to do the same things as the Cleave technique."
"Knowing this, one can understand the ultimate manifestation of Simple Domain—Domain Expansion: Malevolent Shrine!"
Everyone let out an "Ah" in shock.
Malevolent Shrine is Ryomen Sukuna's legendary Open-barrier Domain Expansion, an indiscriminate, all-encompassing release of slashes within a 200-meter radius!
In fact, Mahito didn't understand the old man's words at first, but the moment his fingers touched Kirigiri, he immediately understood the old man's deep meaning.
Isn't Kirigiri's Cutting Line a kind of imitation?
It was precisely because in the original work, the Cleave technique really succeeded in cutting through the Limitless that Mahito specifically set the line for Kirigiri.
However, Kirigiri only needs the line, but Ashiya Magon's ambition is greater; he thought of directly using the Simple Domain formed by swordsmanship to create another Malevolent Shrine!
This is more than just infinite potential; one must know that it is Ryomen Sukuna's Domain Expansion, the ceiling of the entire work.
Ashiya Magon clapped loudly, "As expected of you, Mahito!"
"You have completely seen through the entirety of Simple Domain!"
"I hide many things from my disciples, but there is one thing I have never hidden, and that is what I always call the Domain of the Weak."
"Only by experiencing the helplessness of the weak can one strive upward and realize the true meaning of 'having no other choice, one must press forward with indomitable will'!"
"Simple Domain is my inferior imitation of Malevolent Shrine, but precisely because it is an inferior imitation, its potential is infinite!"
"Who said it must be filled with swordsmanship?"
"It can be filled with any technique, any!"
This time even Kenjaku was shocked, and he unconsciously murmured, "Old friend, I didn't expect you..."
The old man said proudly, "Kenjaku, you've been calling me 'old friend' all this time, but only this one time was it sincere."
Kenjaku wasn't embarrassed and became cheerful again.
"Well, old friend, I must admit that before this, I did look down on you a bit."
"After all, you should understand our traditional Jujutsu Sorcerers' view on swordsmanship; you can't blame me."
"This is also the first time I've heard you speak of the potential of Simple Domain."
"I must say, it really surprised me."
"As expected, any old monster who can live until now has some tricks up their sleeve."
Who were the old monsters who could live until now?
Kenjaku himself, Tengen, and Ashiya Magon.
Kenjaku's words were a truly sincere praise, though unfortunately, they didn't sound very pleasant.
Ashiya Magon glared at Kenjaku, about to curse at him.
Suddenly, a phone rang, and everyone's eyes fell on Kinji Hakari.
Kinji Hakari held up the phone, "Yuki Tsukumo is a bit anxious."
"Before I could contact her, she contacted me again."
He looked at Mahito, "What should we do, Mahito?"
"Isn't she looking for me?"
Mahito took the phone.
"I'll talk to her personally."