"Panel." Allen summoned the system panel, ready to admire his efforts over the past month or so.
The Infinity Castle Control and Reconnaissance Eyeball evolved from Muzan's Nakime. It can teleport everyone to an alternate dimension where Allen can freely control and change the underground. The Reconnaissance Eyeball's effect is similar to Dai Kyōgan and can be used to scout enemies.
Both the Super Regeneration ability and the Five Brains and Seven Hearts ability evolved from Muzan. These two abilities are arguably the two Allen values most: one allows regeneration even if only a drop of blood remains, and the other grants five brains and seven hearts, requiring all cores to be destroyed simultaneously to be killed.
Once the Five Brains and Seven Hearts finish evolving and he acquires the unique physique of a demon, Allen will be virtually immortal.
[Main World: One-Punch Man]
[Current World: Demon Slayer (Time remaining: ten months and seven days)]
[Host: Allen]
[Traversal Value: 3145 (Traversal Value can only be obtained by making changes to the plot's direction. Traversal Value can be used to travel to other worlds)]
[Two-star World Traversal Value Acquisition Limit: 2183 / 3000]
[Talents: Super Evolution Ability, Combat Intuition, Fighting Genius, Hanma Bloodline, Demon Back, Ghost Brain, Principles of Boxing, Extreme Flexibility, Weapon Master, Hidden Weapon Master, Psychokinesis, Asura Mode, Steel Armor, Infinity Castle Control, Super Regeneration Ability, Reconnaissance Eyeball, Five Brains and Seven Hearts (Evolving)]
Allen contentedly put away the system panel and gently placed a cluster of blue spider lily into a pre-prepared jade box.
"It's time to fulfill my promise," he murmured to himself, a playful smile on his lips.
As night fell, Muzan and the Upper Ranks were already lined up in the ruins, waiting.
After more than a month of "special training," the aura they exuded was several times stronger than before. Muzan stood at the forefront, impeccably dressed in a suit, his pale face showing undisguised anticipation.
"Lord Ancestor!" Seeing Allen appear, Muzan immediately knelt on one knee, his voice trembling slightly with excitement.
Allen slowly walked before Muzan and his demons and took out the exquisite jade box from his embrace: "The moment you've been waiting for has arrived."
The moment the jade box opened, a strange fragrance permeated the air. Muzan's pupils contracted sharply, staring intently at the flower emitting a faint blue glow in the box, his whole body trembling uncontrollably.
Allen gently placed the jade box on the ground. The blue spider lily glowed faintly under the moonlight. Muzan's breathing became rapid, his eyes flickering with greed and longing.
"This... this is the blue spider lily!" His voice trembled with excitement.
Allen nodded slightly: "That's right, this is the blue spider lily that will allow you to walk in the sunlight."
Douma fanned himself with his golden fan, an exaggerated smile on his face: "Oh my, oh my~ We've finally waited for this day~"
Kokushibo's six eyes were fixed on the flower, his voice hoarse: "Lord Ancestor, how should we consume it?"
Allen surveyed Muzan and his demons, a slight smile on his lips: "It's very simple, one flower each, just swallow it directly."
Muzan eagerly reached out, but suddenly stopped just as he was about to touch the flower, a hint of wariness flashing in his eyes: "Lord Ancestor, won't you consume it first?"
Allen looked at Muzan's wary expression and couldn't help but laugh: "What? Are you afraid I'll poison you?"
Muzan quickly lowered his head: "I wouldn't dare! It's just that this blue spider lily should also be beneficial to Lord Ancestor…"
"Eat, or not eat." A terrifying aura emerged from Allen. Muzan and his demons were all somewhat breathless under the pressure of his aura.
Muzan trembled all over, quickly grabbed a blue spider lily, and stuffed it into his mouth. The other Upper Ranks followed suit, fearing to anger this terrifying "Lord Ancestor."
The moment the flower entered his mouth, Muzan felt a warm current spread from his throat throughout his body. He stared down at his body in astonishment; it was glowing with a faint blue luminescence under the moonlight.
"This… this is it!" Muzan's voice trembled with excitement.
Allen nodded with satisfaction: "That's right. From now on, you no longer fear the sun."
Douma excitedly spun around: "Oh my, oh my~ We can finally go out during the day~"
Kokushibo's six eyes opened simultaneously, feeling the new power flowing within him: "Lord Ancestor's grace, unforgettable for eternity."
Seeing Muzan and his demons consume the blue spider lily, Allen's face revealed a smile of a plan achieved: "Don't celebrate too soon."
He snapped his fingers, and portals to the Infinity Castle appeared beneath Muzan and his demons. A strong sense of weightlessness followed, and in an instant, Muzan and the others were in a vast Japanese architectural complex.
"This is the Infinity Castle? This isn't Nakime's…" Muzan looked around in surprise.
Muzan looked around in shock at the familiar yet strange environment. This was indeed the Infinity Castle created by Nakime's Blood Demon Art. But at this moment, the Infinity Castle had completely broken free from Nakime's control and was being easily manipulated by Allen.
"This… how is this possible?" Muzan's voice trembled with shock.
"Lord Ancestor, how can you control Nakime's Infinity Castle?"
Allen did not answer. He floated in the air, looking down at the shocked Muzan and the Upper Ranks below, a playful smile on his lips.
"Do you think the blue spider lily is the end?" His voice echoed in the dim Infinity Castle.
"No, this is just the beginning."
Muzan looked up at Allen, who was high above, a hint of unease flashing in his eyes: "Lord Ancestor, what do you mean by this?"
Allen leaped lightly, landing in front of Muzan: "Don't be nervous, I just want to test the effects of the blue spider lily."
He snapped his fingers, and the walls of the Infinity Castle suddenly became transparent, revealing the dark night sky outside.
"It's late night now, but…" Allen took out an exquisite pocket watch from his embrace.
"In eight more hours, the sun will rise."
Kokushibo's six eyes narrowed simultaneously: "Lord Ancestor intends to…"
"That's right." Allen put away his pocket watch: "I want to personally witness the moment you face the sun for the first time."
Douma's hand, fanning with his golden fan, suddenly froze: "Oh my, oh my~ Are we going to witness a miracle so soon~"
Gyutaro instinctively hugged his sister Daki. Both siblings' faces showed nervous expressions. They both felt that it wasn't that simple.
Muzan's breathing became rapid, his fingers under his suit trembling involuntarily. The moment he had dreamed of for a thousand years was about to arrive, but at this moment, he felt an unprecedented unease.
"Lord Ancestor." Muzan's voice was somewhat dry.
"Are you sure the blue spider lily has taken effect?"
Allen looked at him with a half-smile: "What? Are you doubting me?"
"I wouldn't dare!" Muzan quickly lowered his head.
Akaza suddenly stepped forward, his full body tattoos glowing eerily in the dim light: "Lord Muzan, if Lord Ancestor says it's possible, then it must be possible!"
Allen nodded with satisfaction: "Very good, at least someone has faith in me."
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