Spider Demon (Mother)

Spider Demon (Mother)

  • Anime

  • Manga

Anime Manga




Kumo oni: Haha



Human ( once )




Hair Color

Black (Original Form)

Eye Color

Yellow (Original Form)
Light Blue to Pale Green



Spider Family

Base of Operations

Mount Natagumo

Personal Status




Spider Demon ( Father ) ( Fake husband )
Spider Demon ( Son ) ( Fake son )
Spider Demon ( Daughter ) ( Fake daughter )
Rui ( Fake son )
Three Unnamed Fake Daughters
Unnamed Fake Son
Unnamed Older Brother

Three Unnamed Fake DaughtersUnnamed Fake SonUnnamed Older Brother


Manga Debut

chapter 28

Anime Debut

Episode 15


Japanese VA

Ami Koshimizu

English VA

Allegra Clark Spider Demon ( Mother ) Images Image Gallery The Spider Demon (Mother) ( 蜘 ( く ) 蛛 ( も ) 鬼 ( おに ) 「母 ( はは ) 」, Kumo oni: Haha ? ) was a member of the Spider Family .


Mother was very like in appearance to her “ son ” Rui, having the same milky-white skin, bluish green eyelashes and nails, and circular, bolshevik facial markings. She besides possesses a short and bosomy human body. additionally, she had bushy eyebrows and long, white hair parted down the middle of her face which was tied with bluish green orbs into two, thick strands. Mother wore a drawn-out, layered kimono — maroon on the inside layer and white on the away level — that exposed part of her breast and was tied with a patterned obeah. She besides donned a bead necklace composed of teal and purple orbs and cosmetic anklets. She besides goes barefooted and has black nail polish on her toenails ; the lower front of the kimono is candid, exposing her legs. however, it was revealed that this was not her true appearance, as her body was altered to look like Rui ‘s. Her original appearance was wholly different from her transform one, with a much smaller, childlike body compared to her newfangled, more bosomy human body. Her hide was marked with two maroon lines on each of her impudence and her eyes were orotund with jaundiced irises and x-shaped pupils. She besides wore her short, black hair parted to the side with bangs framing her face and two, low pigtails .


Mother Spider Demon profile (original form) original human body ( manga ) .Mother Spider Demon original form original mannequin ( anime ) .


Like most Demons, Mother is barbarous, unfeeling, and homicidal towards humans. She ruthless control dozens of Demon Slayers through her threads and manipulated them into killing each other. She was besides rather sadistic and calloused, uncaring that her manipulation brought them agony and leaving them alive in intense pain. In malice of this, spending fourth dimension with Rui ‘s class caused her developed an acute reverence for him and Father, both whom had abused her for being weaker than expected. This abuse was severe enough to cause her to fully embrace death alternatively of having to continue on know that both Rui and Father would continue to torment her.

In her final moments, she seemed to have regained some of her feelings and memories as a human and seemed to have been truly touched by Tanjiro ‘s kindness, thanking him for giving peace by warning him that a Twelve Demon Moon was on the mountain, wishing him to be careful in her last moments. It was late revealed that compared to the stay of her “ family ”, she was technically the youngest demon of the kin ( her original appearance being that of a youthful daughter ) and was placid coping with her previous human feelings and memories, which made her to cry and grieve many times when remembering them. Due to this she became a target of austere reprimand from Rui, due to her inability to be a proper “ Mother ” to her “ Children ”, who were all technically older than her .


not a lot is known about Mother ‘s past as a homo, but she was loved and cherished by person [ 1 ], a young person with a maroon haori and black hair’s-breadth styled in a low cut bang with a ponytail. In her final moments, she seems to have remembered some parts of her life as a human child such as remembering being loved and cherished by this person. After she became a Demon and lost her loved one ( the implication is that they somehow died in a quite bloody manner ), she took up residency at Mount Natagumo. Later, Rui came to Mount Natagumo, convinced her to join him, and then forced her and her soon-to-be family to transform themselves to look like him and become his “ class ”. She was given the character as the mother of this family, but because of her being a very youthful monster, she was disqualify for the function and was met with chastise and misuse from both Rui and Father .


Rui assigns Mother with the character to protect Mount Natagumo and her ‘family ‘ from the Demon Slayer Corps. Sitting atop a rock candy in the middle of a clearing, she defends the batch via numerous threads strewn across the forest. Sensing that Demon Slayers were sent to kill her family, Mother used small spiders to attach her threads to them. With their bodies in her control, she manipulated the Demon Slayers into killing each other, late keeping their bodies attached to use as dolls for fighting against more intruders. Tanjiro and Inosuke enter the mountain in regulate to defeat her and her kin. They were met by the sole survivor of the initial slaughter, Murata, who informed them of what happened. soon after, she sends her numerous dolls to kill the three, but their simple movements were well evaded. They learned to slice the threads to free them from controll and avoid the spiders sent by her, allowing Murata to hold them off as Tanjiro and Inosuke ventured further into the forest .
As they got closer to her, Mother ‘s threads become hard and her dolls, some of whom were hush alive, became stronger. She is confronted by Rui, who asks if she can win and why she is taking indeed long. due to her reverence of him, she initially does n’t answer, excessively afraid to say a reply. Rui then threatens to inform Father about the situation if she does not kill the remaining Demon Slayers cursorily, which causes Mother to fearfully say she can win. immediately in a state of panic, Mother resorts to using the rest of her dolls and pushing them evening harder to kill Tanjiro and Inosuke. The two finally get closer and encounter her last dolls, including a youthful girl named Ozaki and another Demon Slayer in agony over his break body. Mother pushes their bodies to the limit to kill Tanjiro, breaking Ozaki ‘s weapon and continuing to attack the Demon Slayers .
however, Tanjiro is able to entangle the threads of Ozaki and her comrades by launches them into the tree branches and leaving them hanging by the threads. With Inosuke ‘s avail, they disable all of the dolls without killing them. Angered at their failure, Mother resorts to using her strongest doll alternatively and kills her homo dolls by snapping their necks. Enraged, Tanjiro and Inosuke continue through the forest to find her, unwittingly coming across her final doll, a giant headless monster with bladed arms. Though the dame proves much faster and stronger than the controlled Demon Slayers, Tanjiro and Inosuke are able to coordinate a plan together and kill her final doll. As Mother panics upon learning her last weapon was defeated, she looks up to see Tanjiro descending to kill her. In shock of her at hand death, she suddenly realizes she can be freed from her maltreatment and surrenders to him, releasing her threads in a final examination act of embracing death .
Having already given up any shape of resistance and willpower to continue fighting, Mother holds her arms up awaiting death from Tanjiro ‘s coming assail. Tanjiro, realizing that she no longer has any intention of fighting back, finishes her with the Water Breathing: Fifth Form – Blessed Rain after the Drought alternatively of the First Form: Water Surface Slash as in the first place intended. He rather opts to use a form that brings no pain after seeing her no longer will to fight back. After she is beheaded, Mother is shocked at how passive and painless her death is and is flush further surprise and touched by Tanjiro ‘s eyes, which has no malice, hate, or contempt. alternatively she sees nothing but pure forgivingness and mercy. As she fades aside she remembers all the atrocious memories and pitiless stares her family had given her and vaguely recalls her past as a human, remembering being loved and cherished by person and as she slowly disintegrates into ash, weakly wondering where that person is now. In return for Tanjiro ‘s forgivingness, she weakly warns him that one of the Twelve Kizuki is in the batch and bids him good luck as she dies.


Shapeshifting: The Mother Spider Demon has shown advance skills in the condition shifting, as she managed to change and alter her skin color, hair length and color, facial structure, devil marks, eye color and physical characteristics to match and resembles Rui ‘s own physical features and maintain these changes for extend periods of time. however, most likely due to her new age as a devil, she would sometimes by chance revert rear into her on-key form – much to Rui ‘s annoyance, making him hard punish her .

Fighting dash

Puppetry: The Mother Spider Demon can create and manifest threads from the tips of her fingers that can extend to cover an entire mountain. She uses her threads in a unique manner ; by utilizing them to manipulate bodies like puppets. She does this by attaching her strings to her intended victims using modest spiders, allowing her to control them from a distant outdistance. She can even use these strings to somehow bring out the wax physical power of her control creature to its utmost, albeit at the price of putting her puppets through severe forcible pain due to it. This ability besides allows her to control the corpses of Demons, as she somehow get and preserved the dead body of a monster and prevented it from disintegrating to black smoke for use in battle. The closer the strings connected to her are, the more power she can exert over the puppets she manipulates. Spider Manipulation: The Mother Spider Demon can create and command modest white spiders with loss dot like design similar to the physical traits of herself and her “ family ” to stealthily attach her threads to her intended victims without them noticing. These spiders besides have like traits to demons, as they burn up upon getting stabbed/sliced by a Nichirin Sword .



  • Mother Spider Demon was ranked in 34th place as of the first character popularity poll with 32 votes.
  • The Mother Spider Demon’s Japanese and English voice actors share the role of Beidou from Genshin Impact.


  • (To herself about Tanjiro Kamado) “Those eyes…. Such kind eyes… Back when I was human, I think someone used to look at me with kind eyes. I wonder who that was. I can’t remember. It was someone who always treasured me. I wonder how that person is doing now.”



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Category : Anime

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