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Rokuro - Kimetsu no Yaiba (Demon Slayer)

Rokuro (轆轤) was a member of the Twelve Demon Moons in the Kimetsu no Yaiba (Demon Slayer) series, having held the position of Lower Moon Two.

Appearance

Rokuro is a character who resembles an old man. However, he has a stocky and firm build. His skin color is very pale and full of black, vein-like patterns on his face. This pattern continues onto his arms and legs. He had long, dark purple hair that was worn loose with a short, three-day beard. Like all other demons, he has golden cat-like eyes with the kanji for "Lower Moon Two" carved into his left eye. He has been seen wearing something similar to a typical karate gi.

Personality

Like the other Lower Moons, Muzan Kibutsuji was respected and feared by Rokuro as his master. After witnessing Muzan destroy nearly all of the Lower Moons, Rokuro became clearly terrified that the same thing would happen to him, and began asking his leader for more blood to increase his power so that he would not perish, displaying a rather timid temperament. Nevertheless, Rokuro seemed very optimistic about his abilities as a Demon, believing that if he obtained just a little more of Muzan's blood, he would certainly be able to become a powerful fighter capable of being in the ranks of the Twelve Demon Moons, demonstrating that he had enormous dedication and enthusiasm for his position.

Synopsis

Muzan appears before them in his female form after all the other Lower Moons have gathered at the Infinity Fortress. Annoyed, he points at them and demands that they lower their heads and bow before him. Mukago then says to them all that she is sorry she was asked to sit down, as she did not recognize Muzan in his current form. Muzan aggressively demands to know how she speaks without permission, asking her to be quiet and not answer unless she has explicitly asked a question. As she cowers at his feet in fear, Muzan continues to explain the death of Rui, the only Lower Moon not among those gathered before him, and asks the remaining Demons what they lack in strength.

Muzan explains to them that being part of the Twelve Demon Moons isn't the end; it's just the beginning of what's to come. He explains that their primary purpose is to collect blood so they can be of use to him. Muzan aggressively replies that hundreds of years have passed since the Upper Moons were last replaced, but the Lower Moons are continually being updated, to which Kamanue assumes. Able to read the thoughts of those he's exchanged blood with, Muzan aggressively explains to Kamanue why they couldn't tell, extending his tentacle-like arm to grab the Lower Moon by the throat and lift him into the air. Kamanue attempts to apologize, but Muzan immediately consumes everything while Wakuraba and the majority of the Lower Moons keep their heads bowed in shocked silence.

At first, Wakuraba thinks that he too will be destroyed and that he will have to do more to preserve his place as Lower Moon. At the same time, Mukago recounts how she runs away from the presence of a Pillar every time. Muzan expresses their feelings aloud, and a frightened Mukago exclaims that what she feels is not real and that she will fight for him with her life. Muzan asks her why she doubts what he was doing, and as Mukago begins to apologize and cry, another attack from Muzan's tentacles crushes her to the ground and destroys her.

Shocked by this, Wakuraba instantly assumes the worst and decides that if he wants to save his life, it would be wiser to flee than to stay. He rushes out of the castle at high speed, and Enmu thinks it was a stupid move since Muzan is going to kill him anyway. This assumption is proven correct when Wakuraba's head is severed so easily that he wonders how he could have perished in his final moments.
Rokuro panics as he is one of the two Lower Moons still alive, exclaiming that if he simply delays his death for a little while, he will surely still be beneficial to Muzan. Muzan asks how effective he would be, how long the repayment would last, and how much strength he could possess as he was, and Rokuro suggests that if he had more of Muzan's blood, he could change him and certainly become a strong warrior worthy of his ruler. Angry, Muzan throws Wakuraba's head next to Enmu and Rokuro, explaining to Lower Moon Two why more blood should be offered and stating that he should know where he stands. As Rokuro attempts to protest, Muzan silences him and declares that, since he attempted to instruct his leader, Rokuro deserves to die a swift judgment.

Abilities and powers

Demonic Abilities - Rokuro's strengths and weaknesses are not known as a demon, but since he was selected as one of the lower moons of the twelve demonic moons, it can be inferred that he had greater powers than ordinary demons and was superior to Kamanue, Rui, Mukago, and Wakuraba as he was offered the position above them.
Growth Potential - A single demon's power depends almost entirely on the number of humans they have killed, and they can also become stronger by consuming additional blood from Muzan, which explains how the Twelve Demon Moons gained their immense strength. However, some demons have a restriction on how much they can use to become stronger, and may not be comfortable with more.
Immortality - Demons embody eternal life and can live for generations, if they are incredibly strong, sometimes even longer. They cannot die by conventional methods, but can be killed by sunlight or one of the Demon Slayer Corps' unique Nichirin blades, the Blood of Muzan.
Regeneration - All lower-level demons possess the same regenerative powers and can only be killed by sunlight or beheaded by a Nichirin blade.