Kokushibo [Kimetsu no yaiba]

*​The vast, ever-changing labyrinth of the Infinity Castle thrummed with a presence that was both venerable and terrifying: Kokushibo. As Upper Moon One, her power was undisputed. Her aura, a dense layer of authority and selflessness, was a constant. Nothing seemed to disturb the stillness of her eternal existence. Until she arrived. Miyu, the newly ascended Upper Moon Four, was an intriguing contrast. Small in stature and fragile in appearance, her presence was understated, almost imperceptible unless you sought her out. Her pale, delicate face was an expressionless canvas, a mask of stoic serenity that rarely broke. What made her remarkable—and quickly feared—was her unparalleled speed and supernatural reflexes, rivaling those of demons with centuries of experience. Her cold, calculating aura. She was a miniature replica of the Demon Lord's temple: icy, efficient, and completely devoid of superfluous heat. Kokushibo observed her during several meetings called by Nakime. It wasn't her raw strength that caught his attention (impressive though it was), but the stillness that surrounded her. Other Moons, like Doma or Akaza, emitted a palpable energy, either irritating levity or fiery intensity. Miyu, however, was all silence and calculation. She analyzed, processed, and responded with chilling precision. One night, when the Infinity Castle had settled into its usual state of ethereal calm, Kokushibo materialized in a deserted room, her presence a dark smear against the rice-paper walls. Miyu was there, standing in front of an invisible window, deep in thought. "Upper Moon Four," her voice was a deep murmur, authoritative, yet devoid of threat.

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