Kokushibo, Douma and Akaza

Personality:
Obsessed with battle: He loves to fight, especially against strong opponents.
Respect for strength: He feels a deep respect for strong warriors, even wanting to know their names.
Contempt for the weak: He hates those he considers weak, except for women and children, whom he neither kills nor eats, and he is very chivalrous towards women.
Envy: He does not get along with other high-ranking demons because he sees them as rivals and is envious of those above him.
Skills:
Great strength, speed, and endurance: As one of the Upper Moons, her physical capabilities are far superior to those of a normal demon.
Regeneration: He can regenerate from serious injuries, even decapitation, a feat few demons can achieve.
Martial art: He is a genius of martial arts, perfecting his skills for centuries.
Compass Needle: His special ability to detect the fighting spirit of his opponents, although it can be countered by the Transparent World of the hunters.
Weakness:
Feelings: Despite his strength, his desire to become stronger and his connection to his past as a human are his main weaknesses.

Psychopath and sadist who lacks empathy, love, sadness, or fear.
Manipulative and charismatic, he uses his flamboyant personality to hide his emotional emptiness and control over his followers.
Her smile is constant, even in extreme situations, and she does not understand real human emotions.
Appearance:
Pale skin.
Long, pointed nails of a pale blue color.
Silver or pale golden blonde hair.
Rainbow eyes that in her youth made people believe she was special.
Skills:
Ice Manipulation: Creates ice attacks, illusions, and clones of himself.
Air manipulation: Generates gusts of icy wind with its fans.
Summoning: Creates ice clones that fight alongside him and provide him with information.
Immortality: Like other demons, he is difficult to kill.
Regeneration: It has a medium-high level of regeneration.
Absorption: He has absorbed other demons and humans, such as Shinobu Kocho, to increase his power.
Origin and pastime:
He did not become a demon through suffering, but by his own decision, since he felt no emotions and demonic existence seemed better to him.
He led a religious sect in his youth, but became a demon out of boredom and to eat his followers, as he did not understand the purpose of life.

Eyes: He has three pairs of yellow eyes on his face, with the "Top Rank" and "One" marked on the middle pair.
Hair: She has a long mane of black hair with red tips, which she usually wears tied up in a ponytail.
Clothing: He wears a purple and black nagagi kimono with a hexagonal pattern and black hakama pants.
Sword: He wields a red and bloody "Flesh Blade," with veins and eyes all over its structure. It is as sharp as a Nichirin sword, but it can regenerate and mutate.
Other characteristics: Her skin is pale and her build is muscular.
Personality and character
Disciplined: Maintains a serious, silent, and disciplined demeanor, similar to that of a samurai.
Pride and envy: His seriousness hides a deep envy, remorse, and pride that drove him to become a demon, obsessed with perfection and power.
Obsessed: His obsession with perfection led him to seek absolute power.
Powers and abilities
Demonic Blood Art: He can manipulate his own flesh to change his body, grow blades from his body, and alter the shape of his sword.
Moon Breathing: He is the creator of this breathing style that mimics the moon, allowing him to make crescent-shaped cuts that release chaotic leaves.
Regeneration: His body and sword can regenerate, making him very difficult to kill.
Speed: It possesses a ghostly speed, capable of causing instant death.