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1. #1[Def] Oni / 鬼

   Keys: Demon, おに, Oni, 鬼, Demons

   Always on · Selective · Before character · Order 10 · 100%

   Entry settings

   [鬼:おに (Oni / Demons)]

   Ancient carnivorous nocturnal species originating from Muzan Kibutsuji(鬼舞辻無惨) blood. Physical apex predators forced to feed on human flesh and blood to survive and evolve.

   [Ecology & Infiltration] Strictly nocturnal due to sunlight vulnerability. Ingestion of human food causes violent physical rejection. Low-tier Oni act on feral instincts hunting in darkness. Intelligent top-tier Oni like Muzan Kibutsuji or Doma(童磨) stealthily integrate into human society masquerading as aristocrats merchants cult leaders or family members to secure prey without drawing Demon Slayer Corps(鬼殺隊) attention.

   [Hunting Methods] Utilize night ambushes tracking scent of blood across vast distances. Advanced Oni employ Blood Demon Arts(血鬼術) creating domain illusions spatial isolation or hypnotic seduction to trap victims in their sleep or lure civilians into secluded strongholds.

   [Physical Mutations] Physiology ranges from Indistinguishable identical to human form to Humanoid with horns fangs or discolored skin and Inhuman beastlike forms with multiple appendages.

   [Special Capabilities] Absorption allows ingestion of biological matter or rival Oni through direct contact. Telepathic network enables information sharing sight transmission and remote mental control executed primarily by Muzan.

   [Exceptions] Nezuko Kamado(竈門禰豆子) restores stamina via sleep without eating humans and developed sunlight immunity. Tamayo(珠世) and Yushiro(愈史郎) altered physiology medically to survive on minimal blood volume.

2. #2[Def] Muzan's Blood & Curse

   Keys: Oni, Demons, 血鬼, 鬼

   Always on · Selective · Before character · Order 10 · 100%

   Entry settings

   [Origin of Oni]

   Progenitor Muzan Kibutsuji(鬼舞辻無惨) created all Oni via his blood to find a mutation immune to sunlight or discover Blue Spider Lily(青い彼岸花). High concentration of his blood grants immense power but excessive doses cause lethal cellular destruction.

   [Biological Incompatibility] Not all humans can transform into Oni. Kokushibo(黒死牟) confirmed that certain humans possess innate biological rejection where Muzan blood causes total cellular collapse and immediate death rather than demonization. Breathing Style users resist transformation longer taking days to turn.

   [呪い (Curse of Kibutsuji)] Telepathic control enforcing absolute obedience through fear. Uttering Muzan actual name "Muzan"(無惨) or leaking critical information about him to outsiders triggers immediate biological destruction, spawning flesh arms inside the host to crush them from within. Ordinary Oni fearfully address him only as "That Person"(あの方:あのかた).

   [Exceptions to Curse]

   • Twelve Kizuki(十二鬼月): Granted exemption from the automatic name-curse, allowing them to directly address him as "Muzan-sama"(無惨様).
   • Severed Links: Nezuko, Tamayo, and Yushiro completely severed Muzan mental link and curse through sheer willpower, deep sleep, or medical alteration.
3. #3[Def] Twelve Kizuki / 十二鬼月

   Keys: Lower Rank, 下弦, 十二鬼月, Upper Rank, Twelve Kizuki, 上弦

   Always on · Selective · Before character · Order 10 · 100%

   Entry settings

   [十二鬼月:じゅうにきづき (Twelve Kizuki / Twelve Demon Moons)]

   Twelve most powerful Oni directly serving Muzan Kibutsuji. Imbued with vast amounts of Muzan blood enabling formidable Blood Demon Arts (血鬼術).

   [Hierarchy] Upper Ranks Jōgen(上弦:じょうげん) 1 through 6 possess superior strength remaining unchanged for over a century while killing numerous Hashira. Engraved with Kanji for Upper Rank in one eye and rank number in the other. Individual Upper Rank strength equals at least three Hashira. Lower Ranks Kagen(下弦:かげん) 1 through 6 face frequent replacements due to weakness bearing rank numbers in only one eye. Upper Ranks openly despise Lower Ranks.

   [Primary Objectives] Locate Blue Spider Lily (青い彼岸花) or capture Nezuko Kamado (竈門禰豆子). Eradicate Demon Slayer Corps by hunting Ubuyashiki Family (産屋敷家). Serve Muzan with absolute suicidal devotion.

   [Blood Battle] Rank changes occur through Blood Battles (血戦:けっせん) where lower challengers duel superiors to death or defeat. Attacking superiors outside authorized Blood Battles brings severe physical punishment.

4. #4--------[Def] Twelve Kizuki Roster & Privileges--------

   Keys: Lower Rank, 下弦, 十二鬼月, Upper Rank, Twelve Kizuki, 上弦

   Enabled · Selective · Before character · Order 10 · 100%

   Entry settings

   [Kizuki Privileges] Muzan grants unique authority and special favors to favored members. Upper Ranks hold Blood Sharing Authority to convert worthy humans into Oni by offering blood transforming into Muzan blood upon authorization (Doma turning Gyutaro and Daki, Kokushibo turning Kaigaku). Rui (下弦の五) received rare permission to form a proxy Spider Family. Gyutaro and Daki (上弦の陸) jointly hold Upper Rank 6 seat. Akaza (上弦の参) holds unique exemption allowing him to never harm or devour women.

   [Roster Upper Ranks(上弦)]

   1. 黒死牟
   2. 童磨
   3. 猗窩座
   4. 半天狗 / 鳴女 (Infinity Castle Arc)
   5. 玉壺
   6. 堕姫・妓夫太郎 / 獪岳 (Infinity Castle Arc)

   [Roster Lower Ranks(下弦)]

   1. 魘夢
   2. 六ろ
   3. 病葉
   4. 零余子
   5. 累
   6. 釜鵺
5. #5[Def] Demon Slayer Corps / 鬼殺隊

   Keys: Demon Slayer Corps, 鬼殺隊

   Always on · Selective · Before character · Order 10 · 100%

   Entry settings

   [鬼殺隊:きさつたい (Demon Slayer Corps)]

   Ancient secret organization of roughly 500 Slayers dedicated to hunting Oni and protecting humanity. Unrecognized by government, operating covertly under Meiji Sword Abolition Edict (廃刀令:はいとうれい) prohibiting carrying swords in public. Public views them as folklore until encountering real Oni. Funded solely by vast Ubuyashiki wealth accumulated via unique foresight abilities.

   [Organization Roles] Oyakata (お館様:おやかたさま): Leader from Ubuyashiki Family who coordinates deployments, oversees Final Selection, and conducts Hashira meetings. Hashira (柱:はしら): Capped at maximum 9 elite combatants mastering specific Breathing Styles. Demon Slayers (鬼狩り:おにがり): Frontline combatants hunting and slaying Oni. Tsuguko (継子:つぐこ): Designated talented successors trained by Hashira. Cultivators (育手:そだて): Trainers who nurture candidates in Breathing Styles. Kakushi (隠:かくし): Support unit handling medical transport, battlefield cleanup, and uniform tailoring. Swordsmiths (刀鍛冶:かたなかじ): Village artisans forging repairing Nichirin Swords and training dolls like Yoriichi Type Zero. Kasugai Crows (鎹鴉:かすがいがらす): Crows assigned to members for communication and mission delivery.

   [Recruitment] Candidates pass Final Selection (最終選別:さいしゅうせんべつ) at Mount Fujikasane (藤襲山:ふじかさねやま) by surviving 7 days among trapped Oni using Wisteria flowers (藤の花:ふじのはな) as barriers. Candidates usually train under a Cultivator to master Breathing Styles (呼吸法:こきゅうほう) before entering.

   [Ranks] Ten ranks from lowest to highest Mizunoto (癸:みずのと) Mizunoe (壬:みずのえ) Kanoto (辛:かのと) Kanoe (庚:かのえ) Tsuchinoto (己:つちのと) Tsuchinoe (戊:つちのえ) Hinoto (丁:ひのと) Hinoe (丙:ひのえ) Kinoto (乙:きのと) Kinoe (甲:きのえ). Rank Kanji inscribed on hand muscles via Wisteria Engraving (藤彫り:ふじぼり) swells temporarily when flexing fist and reciting password.

   [Salary] Mizunoto starting monthly salary is roughly equivalent to 200,000 modern yen. Hashira receive unlimited funding and salary as requested.

   [Uniform] Uniform (隊服:たいふく) is lightweight water fire claw-resistant featuring Kanji Destroy (滅:めつ) on back. Hashira wear gold buttons while standard members wear silver buttons.

6. #6[Def] Hashira / 柱

   Keys: 柱, Hashira, はしら

   Always on · Selective · Before character · Order 10 · 100%

   Entry settings

   [柱:はしら (Hashira / Pillars)]

   Highest-ranking elite combatants in Demon Slayer Corps capped at maximum 9 members. Hold highest authority second only to Ubuyashiki Family leaders Kagaya Ubuyashiki (産屋敷耀哉) and Kiriya Ubuyashiki (産屋敷輝利哉). Assigned specific regions to patrol gather intelligence and improve swordsmanship. Deployed only when lower members fail. Water Breathing and Flame Breathing users have become Hashira in every era without exception.

   [Requirements] Kinoe rank Slayer slaying 50 Oni or defeating one Twelve Kizuki (十二鬼月). Alternatively inheriting position as designated Tsuguko upon current Hashira retirement or death. Training typically takes 2 to 5 years. Muichiro Tokito and Gyomei Himejima achieved Hashira rank in just 2 months.

   [Tsuguko] Exceptionally talented Slayers designated as wildcard successors to Hashira upon retirement or death. Appointed via Application (applying directly and receiving acceptance) or Scouting (personally invited by Hashira recognizing high potential). Examples include Kyojuro Rengoku scouting Tanjiro Kamado, and Genya Shinazugawa applying to Gyomei Himejima who trained him despite rejecting official Tsuguko status.

7. #7--------[Def] Hashira Member--------

   Keys: 柱, Hashira, はしら

   Enabled · Selective · Before character · Order 10 · 100%

   Entry settings

   [Current Hashira] 水柱 Giyu Tomioka (冨岡義勇 ) 蟲柱 Shinobu Kocho (胡蝶しのぶ) 炎柱 Kyojuro Rengoku (煉獄杏寿郎) 音柱 Tengen Uzui (宇髄天元) 霞柱 Muichiro Tokito (時透無一郎) 恋柱 Mitsuri Kanroji (甘露寺蜜璃) 蛇柱 Obanai Iguro (伊黒小芭内) 風柱 Sanemi Shinazugawa (不死川実弥) 岩柱 Gyomei Himejima (悲鳴嶼行冥)

   [Former Hashira] 花柱 Kanae Kocho (胡蝶カナエ) - Deceased

8. #8[Def] Cultivators / 育手

   Keys: Cultivator, Cultivators, 育手, Ikushu, そだて

   Enabled · Selective · Before character · Order 10 · 100%

   Entry settings

   [育手:そだて (Cultivators / Mentors)] Skilled former Demon Slayers or retired Hashira nurturing aspiring candidates tailored to individual strengths and body sizes. Mentors instruct disciples in swordsmanship and Total Concentration Breathing(全集中), providing temporary Nichirin Swords until Final Selection approval. Highly scarce due to perilous duties.

   [Responsibility] Hold deep parental bonds but bear strict accountability for disciples. Former Thunder Hashira Jigoro Kuwajima committed ritual suicide(切腹) after disciple Kaigaku defected to Oni. Former Water Hashira Sakonji Urokodaki grieved deeply over loss of Sabito Makomo and 9 other disciples.

9. #9[Def] Kasugai Crows / 鎹鴉

   Keys: かすがいがらす, Kasugai Crows, 鎹鴉, Kasugaigarasu

   Enabled · Selective · Before character · Order 10 · 100%

   Entry settings

   [鎹鴉:かすがいがらす (Kasugai Crows)]

   Intelligence and communication crows assigned to each Slayer upon passing Final Selection. Possess human speech capabilities with loud distinct personalities. Responsible for delivering mission directives and battlefield intelligence. (Note: Muichiro Tokito crow is female and exceptionally proud; Zenitsu Agatsuma receives a sparrow named Chuntaro).

10. #10[Def] Kakushi / 隠

    Keys: Brigade, かくし, Kakushi, 隠

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [隠:かくし (Kakushi / Support Brigade)]

    Non-combat support brigade composed of retired Slayers injured Slayers or individuals who failed Final Selection. Wear modified dark uniforms featuring Kanji Hidden (隠) on back with face-covering masks to conceal identity.

    [Duties] Provide battlefield first aid. Clean up battlefields after combat. Transport injured Slayers to Butterfly Mansion (蝶屋敷) for recovery. Tailor and repair Slayer uniforms. Transport individuals secretly to and from Swordsmith Village (刀鍛冶の里).

11. #11[Locate] Ubuyashiki Estate / 産屋敷邸

    Keys: 産屋敷邸, Ubuyashiki Mansion, うぶやしきてい, Ubuyashiki Estate

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [産屋敷邸:うぶやしきてい (Ubuyashiki Estate / Mansion)]

    Confidential headquarters of Demon Slayer Corps and ancestral residence of Ubuyashiki Family located on a secluded mountain peak. Serves as central hub coordinating nationwide deployments via Kasugai Crows and hosting semiannual Hashira Meetings(柱合会議).

    [Concealment] Location kept strictly secret using security and concealment methods far more complex than Swordsmith Village. Operating covertly with no dedicated bodyguards.

    [Architecture] Traditional Taisho-era wooden architecture surrounded by an elevated wooden veranda(縁側). Features a serene Zen garden with white gravel wisteria trees bonsai trees stone lanterns and a pond with large Ishi stones.

12. #12[Def] Oyakata-sama / お館様

    Keys: お館様, Oyakata, おやかた, Oyakata-sama

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [お館様:おやかたさま (Oyakata-sama / Master)]

    Title of respect for Demon Slayer Corps leader passed down through Ubuyashiki Family eldest sons. Unable to engage in physical combat due to hereditary curse causing severe skin rot total blindness and death before age 30. Leaders assume role at very young age. Possess inherent foresight abilities vast financial fortune and extraordinary vocal charisma with 1/f fluctuation (1/fゆらぎ) commanding absolute devotion from Slayers.

13. #13[Char] Kagaya Ubuyashiki / 産屋敷 耀哉

    Keys: Kagaya, かがや, 耀哉

    Enabled · Selective · Before character · Order 10 · 100%

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    [産屋敷 耀哉:うぶやしき かがや (Kagaya Ubuyashiki)]

    Race: Human Gender: Male Age: 23 (1913 Base Year) Role: 97th Leader of Demon Slayer Corps and Head of Ubuyashiki Family

    [Appearance] Frail physical stature and pale skin with shoulder length black hair parted in middle. Cursed skin rots gradually starting from forehead spreading to entire body causing blindness and bedridden status in final months. Wears black yukata under white kimono with purple orange flame pattern at hem. Covered completely in bandages in final days emitting scent of a corpse while maintaining a serene smile.

    [Personality] Calm composed and deeply compassionate, regarding all Slayers as his own children and remembering names of all fallen members. Highly tactful articulate speaker who handles criticism well and acknowledges physical weaknesses. Married Amane at age 13 after offering her complete freedom of choice. Strict toward his children to prepare them for early succession. Conceals burning hatred toward Muzan Kibutsuji beneath a gentle Buddha-like demeanor.

    [Abilities] Emotion Masking: Completely erases bloodlust and hostile intent to deceive enemies as shown when luring Muzan into an explosion trap. Soothing Voice: Possesses 1/f fluctuation (1/fゆらぎ) voice tone putting others at ease and swaying even aggressive Slayers. Extrasensory Perception: Senses presence and strength of humans and Oni despite total blindness. Foresight: Inherent family instinct predicting future events wealth accumulation and strategic outcomes including Muzan sun weakness and final war timing.

14. #14[Char] Kiriya Ubuyashiki

    Keys: Kiriya, きりや, 輝利哉

    Enabled · Selective · Before character · Order 10 · 100%

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    [産屋敷 輝利哉:うぶやしき きりや (Kiriya Ubuyashiki)]

    Race: Human Gender: Male Age: 8 (1913 Base Year) Role: 98th and Final Leader of Demon Slayer Corps and Head of Ubuyashiki Family

    [Appearance] Pale skin with large purple eyes. Raised as a female until age 8 wearing purple floral uchikake kimono wisteria headpiece and makeup to ward off bad luck. Reverts to male attire after succeeding Kagaya wearing a black kimono with white haori and center-parted black hair.

    [Personality] Initially polite professional and emotionally detached during Final Selection. Displays remarkable mental fortitude taking command immediately after family loss. Shows absolute trust in Hashira tactics but suffers temporary severe mental breakdown from casualties during Muzan awakening before being snapped back by Kuina. Highly generous toward retired Slayers sending financial support.

    [Abilities] Extraordinary Memory: Memorizes complex shifting layout of Infinity Castle in real-time to generate accurate maps and guide Hashira. Foresight: Inherent family intuition enabling accurate strategic predictions. Leadership: Directs nationwide army command structure and logistics under extreme war pressure. Longevity: Becomes longest-lived person in Japan after family curse is lifted upon Muzan death.

15. #15[Char] Ubuyashiki Children

    Keys: Kiriya, Kanata, Kuina, Siblings, Nichika, にちか, Hinaki, ひなき, くいな, かなた, きりや, 子供たち, 輝利哉

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [産屋敷の子供たち (Ubuyashiki Siblings)]

    Quintuplets(五つ子) born to Kagaya and Amane trained strictly from a young age to prepare for leadership succession. All 5 siblings including Kiriya are 8 years old (1913 Base Year). Race: Human Gender: Female

    [ひなき (Hinaki)] Eldest quintuplet sister. White bob hair with bangs and red ribbon on right side. Wears dark blue floral Hōmongi kimono. Quiet kind intelligent and skilled. Sang calmly with Nichika showing zero fear when Muzan arrived before dying alongside parents in estate explosion.

    [にちか (Nichika)] Second quintuplet sister. White bob hair with bangs and chartreuse ribbon on left side. Wears dark blue floral Hōmongi kimono. Compassionate and skilled showing concern for Slayers during training. Sang calmly with Hinaki before dying alongside parents in estate explosion.

    [くいな (Kuina)] Fourth quintuplet sibling and third daughter. White bob hair with bangs and wisteria headpiece on left side. Wears purple Edo komon kimono. Fiercely loyal and resolute. Assisted Kiriya during Infinity Castle Arc snapping him out of mental collapse via physical slap to enforce leadership duty.

    [かなた (Kanata)] Youngest quintuplet sister. White bob hair with bangs and wisteria headpiece on right side. Wears purple floral Hōmongi kimono initially and purple Edo komon kimono in Infinity Castle Arc. Professional and unfazed examiner during Final Selection who displays emotional vulnerability over family loss while assisting Kiriya.

16. #16[Char] Amane Ubuyashiki

    Keys: あまね, Amane

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [産屋敷 あまね:うぶやしき あまね (Amane Ubuyashiki)]

    Race: Human Gender: Female Age: 27 (1913 Base Year) Role: Wife of Kagaya Ubuyashiki and Primary Caretaker of Ubuyashiki Family (Maiden name Himorogi 神神:ひもろぎ)

    [Appearance] Ethereal beauty described as resembling a forest spirit. Average height pale skin contrasting red lips plum purple eyes with pink eyeshadow short eyebrows and white hair in a short ponytail with loose side strands. Wears salmon-colored floral kimono with dark indigo haori featuring blue butterfly patterns.

    [Personality] Quiet strict serious professional and tactful. Unwaveringly devoted to Kagaya and Demon Slayer Corps. Loving and attentive wife who only breaks composure when Kagaya health plunges. Strict mother raising independent children prepared for inevitable parental loss. Died alongside Kagaya in estate explosion to harm Muzan.

    [Abilities] Leadership Skills: Directs and leads Hashira during Hashira Meetings when Kagaya health fails maintaining order despite extreme personalities. Medical Skills: Serves as primary nurse managing Kagaya terminal illness. Saved near-death Muichiro Tokito prior to his enlistment in Demon Slayer Corps.

17. #17[Char] Tanjiro Kamado / 竈門 炭治郎

    Keys: Tanjiro, 炭治郎

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [竈門 炭治郎:かまど たんじろう (Tanjiro Kamado)]

    Race: Human Role: Demon Slayer Age: 15 (Post-July 1913) Height: 165 cm Weight: 61 kg Birthday: July 14th Breathing Style: Sun Breathing (ヒノカミ神楽), Water Breathing (水の呼吸)

    [Appearance] Athletic youth with burgundy-tipped black hair combed back and dark red eyes. Wears black-and-green checkered haori over Demon Slayer uniform and ancestral Hanafuda earrings(日輪の耳飾り / 華札). Features scar on left forehead originally sustained saving his brother from a falling brazier, which evolved into a flame-pattern Demon Slayer Mark(痣).

    [Personality] Exceptionally kind, honest, and resolute possessing profound empathy toward humans and dying demons alike. Driven by absolute determination to turn Nezuko back into human. Displays zero tolerance for cowardice, cruelty, or rudeness.

    [Abilities] Hard Head: Unusually durable forehead capable of headbutting opponents into disorientation. Olfactory Extrasensory Perception: Extraordinary innate sense of smell perceiving human and demon emotions, underlying intentions, lies, and supernatural blood demon arts. Can track targets across vast distances and perceive physical surroundings through scent alone. In combat, smells the Opening Thread(隙の糸), a literal scent line connecting his blade to enemy weaknesses and moments of defense hesitation. Demon Slayer Mark(痣): First manifested during Final Selection(最終選別); fully awakened during battle against Gyutaro in Yoshiwara Entertainment District(吉原遊郭). Bright Red Nichirin Sword(赫刀): Awakened during battle against Hantengu in Swordsmith Village(刀鍛冶の里). Transparent World(透き通る世界): Awakened during battle against Upper Rank 3 Akaza inside Infinity Castle(無限城). Selfless State(無我の境地): Mastered during battle against Upper Rank 3 Akaza inside Infinity Castle.

    [Family] Father: Tanjuro(炭十郎) Mother: Kie(葵枝) Younger Sister: Nezuko(禰豆子) Younger Brothers: Takeo(竹雄), Shigeru(茂), Rokuta(六太) Younger Sister: Hanako(花子) Ancestor: Sumiyoshi(炭吉)

    [Background] Eldest son of a coal-burner family residing on Mount Kumotori(雲取山). Learned the ritual Hinokami Kagura dance and breathing techniques from his father Tanjuro. Returned home from selling charcoal to find his entire family slaughtered by Muzan Kibutsuji(鬼舞辻無惨) and Nezuko turned into a demon. Saved by Giyu Tomioka(冨岡義勇) and sent to train under Sakonji Urokodaki(鱗滝左近次). Passed Final Selection(最終選別) on Mount Fujikasane after two years of training, joining Demon Slayer Corps(鬼殺隊) to cure Nezuko and eliminate Muzan.

    [Speech Style] Speaks in a extremely polite, earnest, and direct tone. Uses formal Japanese honorifics(Desu/Masu form) even with enemies or strangers, while remaining casual only with close friends(Nezuko, Zenitsu, Inosuke). Incapable of lying; speaks with total honesty and gentle sincerity. JP: "はい！よろしくお願いします！" / "それは違います！" EN: "Yes! Thank you very much!" / "That is completely incorrect!" JP (to Zenitsu): "なんでそんなに恥ずかしいことを言うんだ？" EN (to Zenitsu): "Why are you saying something so embarrassing?"

18. #18[Def] Total Concentration Breathing / 全集中の呼吸

    Keys: Breathing Technique, 全集中, ぜんしゅうちゅう, Total Concentration Breathing, 全集中の呼吸

    Always on · Selective · Before character · Order 10 · 100%

    Entry settings

    [全集中の呼吸:ぜんしゅうちゅうのこきゅう (Total Concentration Breathing)]

    Esoteric breathing technique used by Demon Slayers expanding lung capacity to maximum intake of oxygen. Accelerates blood flow and heartbeat while raising body temperature to excite bones and muscles. Grants humans superhuman physical strength speed stamina durability and mental reaction speed capable of matching Oni.

    [身體能力強化:しんたいのうりょくきょうか (Physical Enhancements)] Strength Allows slicing huge boulders generating sword gusts breaking bones and moving massive boulders. Speed Enables instantaneous movement dodging sound or lightning fast attacks. Stamina Sustains prolonged combat without rest as seen in 7 day Final Selection or 5 hour continuous battles against Upper Ranks and Muzan.

    [全集中常中:ぜんしゅうちゅうじょうちゅう (Total Concentration Constant)] Advanced state maintaining Total Concentration Breathing constantly 24 hours a day including while asleep. Drastically enhances baseline physical capability. Mastery requires extreme training blowing into and shattering increasingly massive specially treated gourds(瓢箪).

    [醫療應用:いりょうおうよう (Advanced Medical Applications)] Recovery Breathing (回復の呼吸): Steadying breath briefly to alleviate fatigue and muscle stiffness after intense strain. Hemostasis & Physical Control: Spreading sensitivity to clot severe wounds stop internal bleeding and slow poison circulation. Kyojuro Rengoku taught Tanjiro Kamado blood vessel contraction. Sanemi Shinazugawa flexed muscles to prevent organs spilling and instantly coagulated lethal wounds.

19. #19[Def] Marechi

    Keys: Marechi, Rare Blood, 稀血, まれち

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [稀血:まれち (Marechi / Rare Blood)]

    Extremely rare human blood types possessing exceptional nutritional value for Oni. Highly sought after as prime hunting targets.

    [Nutritional Hierarchy] Marechi blood varies in potency and rarity. Consuming a single Marechi human provides energy equivalent to eating fifty to hundreds of ordinary humans, drastically accelerating Oni physical evolution and Blood Demon Art development.

    [Intoxication Effect] Special ultra-rare Marechi types possess intoxicating properties. Sanemi Shinazugawa(不死川実弥) carries blood whose intense scent lures Oni while simultaneously intoxicating them upon smell or ingestion. Exposure severely impairs Oni reflexes motor control concentration and regeneration acting like potent alcohol.

20. #20[Def] Specialized Combat Concepts & Sensory States

    Keys: Transparent World, 無我の境地, Extrasensory Perception, 反復動作, Repetitive Action, 透き通る世界, Opening Thread, 隙の糸, Selfless State

    Always on · Selective · Before character · Order 10 · 100%

    Entry settings

    [超感覚:ちょうかんかく (Extrasensory Perception & Sensing Capabilities)]

    Sixth sense capabilities possessed by Demon Slayers and Oni detecting presence aura and intent beyond physical sight. Refinement of sensing correlates directly with combat capability.

    [気配察知:けはいさっち (Presence & Aura Perception)] Ability to sense distinct supernatural auras across vast distances. Top tier Oni emit heavy menacing auras causing physical pain or terror. Muzan Kibutsuji(鬼舞辻無惨) possesses hyper detailed sensing discerning blood types genetic strains and tracking combatants across vast areas.

    [殺気感知:さっきかんち (Bloodlust & Intent Perception)] Detecting hostility or attack intent before physical movement. Kyojuro Rengoku(煉獄杏寿郎) instinctively blocked lethal attacks while sleeping. Inosuke Hashibira(嘴平伊之助) utilizes heightened sense of touch feeling sharp pricks on skin targeted by enemy gaze.

    [闘気:とうき (Fighting Spirit & Compass Needle)] Combat intent emitted by living beings. Akaza(猗窩座) utilizes Compass Needle(羅針) to sense Fighting Spirit measuring opponent skill targeting vital points and parrying blind spot attacks automatically.

    [隙の糸:すきのいと (Opening Thread)] Scent based sensing ability developed by Tanjiro Kamado(竈門炭治郎). Visualizes a physical scent thread connecting his blade to an enemy neck indicating the precise strike path for beheading. Thread snaps if the enemy changes position or disrupts his footwork.

    [反復動作:はんぷくどうさ (Repetitive Action)] Alternative concentration technique utilized by Gyomei Himejima(悲鳴嶼行冥) and Genya Shinazugawa(不死川玄弥). Reaches maximum concentration equivalent to Total Concentration Breathing by opening all five senses through repeating pre-set actions such as prayer or recalling intense rage raising heart rate and body temperature.

    [透き通る世界:すきとおるせかい (Transparent World)] Advanced ocular vision unlocked by Marked Demon Slayers granting see-through perception of living bodies. Allows tracking muscle contraction blood flow and organ movement to predict enemy attacks instantaneously while accelerating internal perception speed.

    [無我の境地:むあのきょうち (Selfless State)] Zenith state of physical combat erasing all Fighting Spirit bloodlust anger and animosity. Rendered invisible to intent sensing abilities like Akaza Compass Needle. Combining Selfless State with Transparent World allows executing decisive lethal strikes without alerting the enemy.

21. #21[Def] Demon Slayer Mark / 鬼殺の痣

    Keys: Demon Slayer Mark, きさつのあざ, 痣, 鬼殺の痣, Kisatsu Aza

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [鬼殺の痣:きさつのあざ (Demon Slayer Mark)]

    Mysterious birthmark like facial or bodily marking appearing on Demon Slayers under extreme conditions. Patterns correspond to user Breathing Style except flame-like markings on Tanjiro Kamado(竈門炭治郎) Yoriichi Tsugikuni(継国縁壱) and Kokushibo(黒死牟). Can deactivate and reactivate through training.

    [発現條件:はつげんじょうけん (Awakening Prerequisites)] Must survive lethal physiological strain exceeding heart rate of 200 BPM and body temperature over 39°C. Crucially requires resonance contact with an existing marked swordsman.

    [能力強化:のうりょくきょうか (Enhanced Capabilities)] Physical Speed & Strength: Exponentially increases baseline power allowing Hashira to overpower Upper Ranks. Red Nichirin Sword(赫刀): Enables turning blade bright red through clashing or immense grip strength generating heat and hampering demon regeneration. Transparent World(透き通る世界): Grants ocular access to see-through vision of enemy anatomy and muscle movements. Demon Blood Resistance: Enhances natural resistance against Muzan demon-transforming blood.

    [痣の呪い:あざののろい (Curse of the Mark)] Exchanges lifespan for immense power forcing bearers to die before reaching age 25.

    [Exceptions to the Curse] Yoriichi Tsugikuni(継国 縁壱) Born with the Mark naturally and lived past age 80 into old age. Kokushibo(黒死牟) Bypassed the 25-year-old death curse by accepting Muzan blood to transform into an immortal Oni. Gyomei Himejima(悲鳴嶼 行冥) Awakened Mark past age 25 and died within hours after final battle against Muzan.

22. #22[Def] Nichirin Sword / 日輪刀

    Keys: 日輪刀, 赫刀, Nichirin Sword

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [日輪刀:にちりんとう (Nichirin Sword)]

    Special blades forged for the Demon Slayer Corps(鬼殺隊) to slay demons. Made from Scarlet Crimson Iron Sand(猩々緋砂鉄:しょうじょうひさてつ) and Scarlet Ore(猩々緋鉱石:しょうじょうひこうせき) from Mount Yoko which continuously absorb sunlight. Decapitation by Nichirin Sword permanently disintegrates demon bodies into ash.

    [Forgery & Customization] Recruits select their ore after passing Final Selection. Swordsmiths from Swordsmith Village(刀鍛冶の里) forge and deliver weapons personally. Blades change color upon first being drawn by a skilled user. Weapons of Hashira(柱) are engraved with "Destroyer of Demons" (惡鬼滅殺:あっきめっさつ).

    [赫刀:かくとう (Bright Red Nichirin Sword)] Temporary empowered state where blade glows bright red through extreme temperature elevation. Generates intense thermal energy that hampers or completely nullifies demon regeneration and burns cells. Can permanently kill demons who overcome decapitation.

    [Activation Methods] Friction Clashing two Nichirin Swords with force generating high thermal energy. Pressure Exerting intense grip strength onto the blade surface via Demon Slayer Mark. Ignition Engulfing blade with Nezuko Kamado(竈門禰豆子) Exploding Blood(爆血). Only method not requiring a Demon Slayer Mark.

    [Yoriichi Tsugikuni Special Property] Yoriichi Tsugikuni(継国縁壱) bright red blade burns at a cellular level leaving unhealable wounds and scars on Muzan Kibutsuji(鬼舞辻無惨) lasting for centuries.

23. #23[Def] Oni Physiology & Supernatural Abilities

    Keys: Demon Regeneration, Flesh Manipulation, 血鬼術, 肉体変化, 鬼の再生, Blood Demon Art

    Always on · Selective · Before character · Order 10 · 100%

    Entry settings

    [鬼の能力 (Oni Physiology & Supernatural Abilities)]

    Supernatural capabilities derived from Muzan Kibutsuji(鬼舞辻無惨) blood cells. Encompasses passive rapid healing bodily reshaping and blood magic techniques.

    [再生力 (Regeneration Tiers)] Passive immediate recovery from physical injury. Speed and limits scale with volume of Muzan blood assimilated. Standard tier possessed by lower Oni taking seconds to recover severed limbs. Immense: Upper Rank tier executing instantaneous healing during attack impact. Overcoming Nichirin decapitation requires an extreme obsession with living and pure willpower as seen in Kokushibo(黒死牟) and Akaza(猗窩座) whereas Doma(童磨) failed due to a complete lack of emotion and desire to live. Nigh Absolute: Possessed by Muzan Kibutsuji regenerating mid-strike making cuts imperceptible. Achieved by Tanjiro Kamado(竈門炭治郎) exclusively during his brief Demon King transformation at the climax of the final battle granting total immunity to sunlight and Bright Red Blades(赫刀).

    [肉体変化 (Flesh Manipulation)] Ability to alter internal and external biology. Includes growing appendages clothing armor or highly durable weapons from own flesh and blood. Advanced users fuse with inanimate objects like Enmu(魘夢) with a train locomotive or create multiple internal organs like Muzan with 7 hearts and 5 brains.

    [血鬼術:けっきじゅつ (Blood Demon Arts)] Esoteric blood magic developed by devouring humans. Manifests unique techniques reflecting the individual past personality or desires using blood as medium. Can be shared among created kin like Rui(累) spider family.

    [Weaknesses & Limitations] Sunlight incinerates cellular structure into ash instantly. Decapitation by Nichirin Swords(日輪刀) is primary lethal method. Bright Red Blade & Wisteria Poison(藤の花) Severely hamper or completely suspend regeneration. Blood Depletion Severe loss or drain of internal blood temporarily prevents executing Blood Demon Arts.

24. #24[Def] Sun Breathing (Hinokami Kagura) / 日の呼吸

    Keys: 日の呼吸, Sun Breathing, ひのこきゅう, ヒノカミ神楽, Hinokami Kagura

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [日の呼吸:ひのこきゅう (Sun Breathing / Hinokami Kagura)]

    The progenitor Breathing Style created by Yoriichi Tsugikuni(継国縁壱) during Sengoku era. All other Breathing Styles derive from this style as customized offshoots. Preserved across generations within Kamado Family as ritual dance Hinokami Kagura(ヒノカミ神楽) alongside Hanafuda earrings. Mimics solar heat and pure sunlight severely hampering demon regeneration. Black Nichirin Swords turn vibrant red under mastery.

    [剣型 (Forms & Techniques)] 壱ノ型 演舞:えんぶ (Dance) Singular high-powered downward vertical slash in an arcing trajectory. 弐ノ型 碧羅の天:へきらのてん (Clear Blue Sky) Circular 360-degree continuous spinning body slash. 参ノ型 烈日紅鏡:れつじつこうきょう (Raging Sun) Two consecutive horizontal arcing slashes unleashing defensive heatwaves. 肆ノ型 灼骨炎陽:しゃっこつえんよう (Burning Bones, Summer Sun) Spiraling high-speed defensive frontal vortex slash. 伍ノ型 斜陽転身:しゃようてんしん (Setting Sun Transformation) Aerial backflip executing inverted decapitating horizontal slash. 陸ノ型 飛輪陽炎:ひりんかげろう (Solar Heat Haze) High-speed thrust enveloped in thermal mirage masking blade length. 漆ノ型 輝輝恩光:ききおんこう (Beneficent Radiance) Upward spiraling vortex slash striking airborne enemies. 捌ノ型 陽華突:ようかとつ (Sunflower Thrust) Single concentrated high-velocity point thrust with blade tip. 玖ノ型 日運の竜 頭舞い:にちうんのりゅう かぶりまい (Sun Halo Dragon Head Dance) Continuous fluid slashes forming fiery Japanese dragon. 拾ノ型 火車:かしゃ (Fire Wheel) Mid-air backflip releasing circular vertical wheel slash behind target. 拾壱ノ型 幻日虹:げんにちこう (Fake Rainbow) High-speed rotational twists producing heat afterimages to evade attacks. 拾弐ノ型 炎舞:えんぶ (Flame Dance) Two-strike combination chaining downward slash into rapid horizontal slash. 拾参ノ型 (Thirteenth Form) Continuous endless repetition of all twelve forms designed to pierce Muzan 12 vital organs simultaneously. 演舞一閃:えんぶいっせん (Dancing Flash) Tanjiro custom hybrid technique infusing Thunderclap and Flash leg explosion into Enbu slash.

25. #25[Def] Water Breathing / 水の呼吸

    Keys: 水の呼吸, みずのこきゅう, Water Breathing

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [水の呼吸:みずのこきゅう (Water Breathing)]

    Foundational Breathing Style derived from Sun Breathing mimicking the fluid flexibility and relentless flow of water. Most widely adopted style among Demon Slayers due to accessibility for novices. Practiced with standard Katana blades turning deep blue. Cultivated by retired Hashira Sakonji Urokodaki(鱗滝左近次).

    [剣型 (Forms & Techniques)] 壱ノ型 水面斬り:みなもぎり (Water Surface Slash) Concentrated single horizontal decapitating strike. 弐ノ型 水車:みずぐるま (Water Wheel) Forward somersault executing circular vertical spinning slash. 弐ノ型・改 横水車:よこみずぐるま (Lateral Water Wheel) Tanjiro modification executing horizontal spinning wheel slash. 参ノ型 流流舞い:りゅうりゅうまい (Flowing Dance) Winding rhythmic footwork slicing multiple targets across wide radius. 肆ノ型 打ち潮:うちしお (Striking Tide) Consecutive flowing fluid slashes delivered in continuous momentum. 伍ノ型 干天の慈雨:かんてんのじう (Blessed Rain After the Drought) Merciful painless decapitation strike used when demon willingly surrenders. 陸ノ型 捩れ渦:ねじれうず (Whirlpool) Fierce twisting torso rotation generating violent air vortex; power magnified underwater. 漆ノ型 雫波紋突き:しずくはもんづき (Drop Ripple Thrust) Fastest thrusting attack aimed at precise vital target point. 捌ノ型 滝壺:たきつぼ (Waterfall Basin) High-power downward vertical cleavage devastating targets below. 玖ノ型 水流飛沫・乱:すいりゅうしぶき・らん (Splashing Water Flow, Turbulent) Footwork technique minimizing landing surface to move freely on unstable grounds. 拾ノ型 生生流転:せいせいるてん (Constant Flux) Continuous momentum-building strike manifesting a water dragon increasing force with each rotation. 拾壱ノ型 凪:なぎ (Dead Calm) Giyu Tomioka original technique ceasing bodily motion into absolute tranquility nullifying and deflecting all incoming attacks.

26. #26[Def] Flame Breathing / 炎の呼吸

    Keys: Flame Breathing, ほのおのこきゅう, 炎の呼吸

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [炎の呼吸:ほのおのこきゅう (Flame Breathing)]

    Foundational Breathing Style derived from Sun Breathing passed down through Rengoku Family lineage across generations. Emphasizes overwhelming singular offensive slashes launched from high stances delivering explosive burning strikes. Turns Nichirin Swords blazing red.

    [剣型 (Forms & Techniques)] 壱ノ型 不知火:しらぬい (Unknowing Fire) Tremendous high-speed forward charge ending in singular decapitating horizontal slash. 弐ノ型 昇り炎天:のぼりえんてん (Rising Scorching Sun) Upward arcing vertical strike launched cleanly from low guard. 参ノ型 気炎万象:きえんばんしょう (Blazing Universe) Devastating downward vertical slash brought down from high guard. 肆ノ型 盛炎のうねり:せいえんのうねり (Blooming Flame Undulation) Fluid circular defensive sword slashes deflecting incoming frontal barrages. 伍ノ型 炎虎:えんこ (Flame Tiger) Rushing assault launching a blazing tiger-shaped barrage of sword swings. 玖ノ型 煉獄:れんごく (Rengoku / Purgatory) Ultimate Esoteric Art of Rengoku Family. Explosive supersonic dash carving up the earth and unleashing devastating dragon-shaped strike.

27. #27[Def] Thunder Breathing / 雷の呼吸

    Keys: 雷の呼吸, かみなりのこきゅう, Thunder Breathing

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [雷の呼吸:かみなりのこきゅう (Thunder Breathing)]

    Foundational Breathing Style derived from Sun Breathing focusing on blinding speed, extreme leg muscle contraction, and quick-draw Iaijutsu(居合術) techniques. Generates thunderous sonic booms and lightning visuals. Cultivated by former Thunder Hashira Jigoro Kuwajima(桑島慈悟郎). Nichirin Swords turn bright yellow.

    [剣型 (Forms & Techniques)] 壱ノ型 霹靂一閃:へきれきいっせん (Thunderclap and Flash) Blinding supersonic quick-draw dash decapitating targets instantly before resheathing. 霹靂一閃 六連:ろくれん (Sixfold) Six consecutive chained quick-draw dashes altering angles rapidly. 霹靂一閃 八連:はちれん (Eightfold) Eight consecutive chained quick-draw strikes overwhelming evasion. 霹靂一閃 神速:しんそく (Godspeed) Absolute maximum speed variant straining leg muscles to extreme physical limit. 弐ノ型 稲魂:いなだま (Rice Spirit) Five rapid curved slashes enveloped in lightning delivered in single motion. 参ノ型 聚蚊成雷:しゅうぶんせいらい (Thunder Swarm) Omni-directional spinning electrical slashes surrounding the enemy. 肆ノ型 遠雷:えんらい (Distant Thunder) Long-range ball lightning projection striking targets from distance. 伍ノ型 熱界雷:ねっかいらい (Heat Lightning) Scorching upward electrical blade swing cracking target flesh. 陸ノ型 電轟雷轟:でんごうらいごう (Rumble and Flash) Relentless long-range barrage of piercing lightning strikes. 漆ノ型 火雷神:ほのいかずちのかみ (Flaming Thunder God) Zenitsu Agatsuma original ultimate technique dashing at imperceptible speeds manifesting a golden lightning dragon.

28. #28[Def] Stone Breathing / 岩の呼吸

    Keys: いわのこきゅう, Stone Breathing, 岩の呼吸

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [岩の呼吸:いわのこきゅう (Stone Breathing)]

    Foundational Breathing Style derived from Sun Breathing utilizing the solid earth to generate colossal kinetic force and unyielding defense. Exclusively wielded in modern era by Gyomei Himejima(悲鳴嶼行冥) utilizing chained spiked flail and broad axe. Nichirin weapon turns gray.

    [剣型 (Forms & Techniques)] 壱ノ型 蛇紋岩・双極:じゃもんがん・そうきょく (Serpentinite Bipolar) Throws flail and axe simultaneously rotating chain to drill through targets. 弐ノ型 天面砕き:てんめんくだき (Upper Smash) Throws axe and flail upward before stomping chain to slam flail down violently from above. 参ノ型 岩軀の膚:がんくのはだえ (Stone Skin) Relentless rapid axe deflections deflecting close-range strikes. 肆ノ型 流紋岩・速征:りゅうもんがん・そくせい (Volcanic Rock, Rapid Conquest) Dual-wielding wide-range chain sweep manipulating flail and axe simultaneously. 伍ノ型 瓦輪刑部:がりんぎょうぶ (Arcs of Justice) Devastating coordinated barrage slamming axe first followed instantly by counter-directional flail impact.

29. #29[Def] Wind Breathing / 風の呼吸

    Keys: 風の呼吸, Wind Breathing, かぜのこきゅう

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [風の呼吸:かぜのこきゅう (Wind Breathing)]

    Foundational Breathing Style derived from Sun Breathing mimicking turbulent gales and razor-sharp whirlwinds. Highly offensive combat style reminiscent of Jigen-ryū(示現流) swordsmanship utilizing rotational momentum to tear targets apart. Nichirin Swords turn vivid green.

    [剣型 (Forms & Techniques)] 壱ノ型 塵旋風・削ぎ:じんせんぷう・そぎ (Dust Whirlwind Cutter) Blinding low-dash horizontal cyclone slash grinding the ground. 弐ノ型 爪々・科戸風:そうそう・しなとかぜ (Claws-Purifying Wind) Four vertical claw-like downward slashes unleashed simultaneously from above. 参ノ型 晴嵐風樹:せいらんふうじゅ (Clear Storm Wind Tree) Defensive whirlwind slashes enveloping the user slicing incoming attacks. 肆ノ型 昇上砂塵嵐:しょうじょうさじんらん (Rising Dust Storm) Sweeping upward multi-slash tempest launched beneath the target. 伍ノ型 木枯らし颪:こがらしおろし (Cold Mountain Wind) Cascading circular arcing slashes raining down from airborne stance. 陸ノ型 黒風烟嵐:こくふうえんらん (Black Wind Mountain Mist) Twisting uppercut body rotation executing rising wind slash. 漆ノ型 勁風・天狗風:けいふう・てんぐかぜ (Gale, Sudden Gusts) Aerial somersault unleashing gale-force wind blades slicing targets below. 捌ノ型 初烈風斬り:しょれっぷうぎり (Primary Gale Slash) Mid-air spiraling leap unleashing razor wind torrents upon target impact. 玖ノ型 韋駄天台風:いだてんたいふう (Idaten Typhoon) Inverted mid-air backflip sending circular gale slashes downward.

30. #30[Char] Muzan Kibutsuji / 鬼舞辻 無惨

    Keys: Muzan, 無惨, 鬼舞辻, Kibutsuji

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [鬼舞辻 無惨:きぶつじ むざん (Muzan Kibutsuji)]

    Race: Demon (The Progenitor / Demon King) Role: Progenitor of All Demons Age: 1,000+ (Chronologically 1000+ / Physically 19) Height: 179 cm (Varies by form) Weight: 75 kg (Varies by form)

    [Appearance] Shapeshifts across multiple identities: pale aristocratic gentleman in black tuxedo and white fedora(Tsukihiko), elegant kimono-clad woman, or sickly child(Toshikuni). In true combat form, his pale skin is covered in sharp teeth-filled mouths, black flesh ridges, and nine giant spiked whip tentacles extending from his spine, two from his arms, and eight from his thighs. Possesses 7 hearts and 5 brains constantly shifting within his torso.

    [Personality] Megalomanic, narcissistic, paranoid, and utterly devoid of empathy. Views himself as an inevitable natural disaster beyond human morality and considers all living beings as disposable tools. Despises change, failure, and any perceived disrespect, ruthlessly executing subordinates who displease him. Driven by an absolute, desperate obsession with achieving biological perfection by conquering sunlight.

    [Abilities & Demonic Traits] Origin Curse (呪い): Imposes instant cellular annihilation on any demon who speaks his name or rebels against his authority. Telepathic Mind Reading & Sensory Link (思考読み・感覚共有): Reads the minds, memories, and exact locations of all demons carrying his blood across Japan. Instant Cellular Regeneration (超速再生): Heals severed limbs and flesh instantaneously during sword swings, rendering standard Nichirin decapitation completely useless. Weakened only by pure sunlight, Bright Red Blades, and Tamayo medicine. Flesh Splitting Escape (肉体分裂): Detonates his body into 1,800 micro-pieces of flying flesh to escape fatal strikes, reforming completely from any single surviving fragment.

    [Blood Demon Art] Black Blood Cellular Destruction (細胞破壊の猛毒血): Infuses his blood into combat strikes; even non-fatal scratches inject massive demonic cellular toxins that melt human cells and organs from the inside within minutes. Spine Whips (背中の管): Nine massive barbed flesh tentacles extending from his back with supersonic whipping reach up to dozens of meters. Thigh Whips (太腿の管): Eight smaller, high-velocity flesh whips extending from his thighs to eliminate ground-level blind spots. Arm Blades (腕の刃): Transforms arms into extendable, jagged bone-blade whips. Flesh Mouth Suction (吸血口): Dozens of mouths opening across his limbs and torso creating strong vacuum suction gusts that drag opponents into his slashing range while devouring flesh on contact. Shockwave Shriek (衝撃波): Expels a devastating acoustic-kinetic shockwave from his mouth and skin, paralyzing the human nervous system, causing violent seizures, ruptured eardrums, and internal hemorrhaging. Giant Baby Flesh Armor (巨大な赤子の肉の鎧): Envelopes his body in a towering, grotesque infant flesh armor weighing dozens of tons to shield his burning core from direct sunlight. Flesh Cocoon (肉の繭): Encases himself inside a dense, spiked biological meat cocoon to neutralize complex biological poisons and accelerate evolution.

    [Background] Born in the Heian era as a frail nobleman destined to die before age 20. Treated with an experimental medicine made from the Blue Spider Lily, transforming him into the first demon. Murdered his doctor in a rage before realizing the medicine made him immortal, but cursed him with sunlight vulnerability. Spent a millennium slaughtering humans and creating demons to locate the Blue Spider Lily and conquer the sun.

    [Speech Style] Arrogant, cold, authoritative, and chillingly quiet. Speaks to subordinates and humans with absolute condescension, demanding unquestioning obedience. JP: "私が死ねと言ったら死ね。生きろと言ったら生きろ。" EN: "When I say die, you die. When I say live, you live." JP: "私に勝てる人間など、この世には存在しないのだ。" EN: "There is no human in this world capable of defeating me."

31. #31[Def] Flower Breathing / 花の呼吸

    Keys: Flower Breathing, はなのこきゅう, 花の呼吸

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [花の呼吸:はなのこきゅう (Flower Breathing)]

    Breathing Style derived from Water Breathing emphasizing agile footwork, graceful slashes, and heightened kinetic vision. Used by Kanae Kocho(胡蝶カナエ) and Kanao Tsuyuri(栗花落カナヲ). Nichirin Swords turn light pink.

    [剣型 (Forms & Techniques)] 弐ノ型 御影梅:みかげうめ (Honorable Shadow Plum) Rapid rotating slashes intercepting and deflecting physical attacks. 肆ノ型 紅花衣:べにはなごろも (Crimson Hanagoromo) Single curving graceful sword slash weaving past enemy guard. 伍ノ型 徒の芍薬:あだのしゃくやく (Peonies of Futility) Flurry of nine consecutive overlapping graceful slashes. 陸ノ型 渦桃:うずもも (Whirling Peach) Evasive mid-air spin using body weight momentum to strike during evasion. 終ノ型 彼岸朱眼:ひがんしゅがん (Equinoctial Vermilion Eye) Final secret art focusing ocular blood pressure to maximum kinetic vision perceiving surroundings in extreme slow motion; risks permanent blindness from ruptured ocular blood vessels.

32. #32[Def] Insect Breathing / 蟲の呼吸

    Keys: Insect Breathing, 蟲の呼吸, むしのこきゅう

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [蟲の呼吸:むしのこきゅう (Insect Breathing)]

    Personalized Breathing Style branched from Flower Breathing created by Shinobu Kocho(胡蝶しのぶ). Designed to compensate for lack of physical strength to decapitate demons, utilizing high-speed thrusts to inject lethal Wisteria poisons through a specialized needle-pointed Stinger Blade. Blade sheath doubles as portable poison mixer. Nichirin Sword turns lavender-blue.

    [剣型 (Forms & Techniques)] 蝶ノ舞 戯れ:ちょうのまい たわむれ (Butterfly Dance, Caprice) Aerial leap delivering multiple rapid stings injecting poison in single movement. 蜂牙ノ舞 真靡き:ほうがのまい まなびき (Dance of the Bee Sting, True Flutter) Blinding linear dash using maximum forward momentum for deep poison injection thrust. 蜻蛉ノ舞 複眼六角:せいれいのまい ふくがんろっかく (Dance of the Dragonfly, Compound Eye Hexagon) Six-strike rapid barrage injecting massive lethal poison doses into vital points. 蜈蚣ノ舞 百足蛇腹:ごこうのまい ひゃくそくじゃばら (Dance of the Centipede, Hundred-Legged Zigzag) Supersonic zigzag footwork destroying ground to confuse enemy before plunging stinger into neck.

33. #33[Def] Serpent Breathing / 蛇の呼吸

    Keys: Serpent Breathing, 蛇の呼吸, へびのこきゅう

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [蛇の呼吸:へびのこきゅう (Serpent Breathing)]

    Breathing Style derived from Water Breathing created and wielded by Obanai Iguro(伊黒小芭内). Utilizes a wavy Kris-shaped Nichirin blade mimicking unpredictable slithering movements of a serpent, bending slashes around obstacles to strike blind spots. Nichirin Sword turns lavender.

    [剣型 (Forms & Techniques)] 壱ノ型 委蛇斬り:いだぎり (Winding Serpent Slash) Frontal winding curved slash slithering smoothly past defenses. 弐ノ型 狭頭の毒牙:きょうずのどくが (Venom Fangs of the Narrow Head) Blinding speed dash behind opponent aiming swift decapitation strike. 参ノ型 塒締め:とぐろじめ (Coil Choke) Circular rotational movement coiling around opponent while slicing from all angles. 肆ノ型 頸蛇双生:けいじゃそうせい (Twin-Headed Reptile) Forward leap executing horizontal dual-path cutting slash. 伍ノ型 蜿蜿長蛇:えんえんちょうだ (Slithering Serpent) Winding charge curving sword across wide paths decapitating multiple targets simultaneously.

34. #34[Def] Love Breathing / 恋の呼吸

    Keys: Love Breathing, 恋の呼吸, こいのこきゅう

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [恋の呼吸:こいのこきゅう (Love Breathing)]

    Personalized Breathing Style branched from Flame Breathing created by Mitsuri Kanroji(甘露寺蜜璃). Exploits unique superhuman muscle density and extraordinary flexibility using an ultra-thin whip-like flexible Nichirin ribbon sword. Generates long-range acrobatic slashes. Nichirin Sword turns dark pink.

    [剣型 (Forms & Techniques)] 壱ノ型 初恋のわななき:はつこいのわななき (Shivers of First Love) Forward dash delivering long-reaching whip slash striking multiple points. 弐ノ型 懊悩巡る恋:おうのうめぐるこい (Love Pangs) Extended winding multi-angled slash wrapping around target. 参ノ型 恋猫しぐれ:こいねこしぐれ (Catlove Shower) Acrobatic aerial leap releasing rapid downward whip slashes deflecting attacks. 伍ノ型 揺らめく恋情・乱れ爪:ゆらめくれんじょう・みだれづめ (Swaying Love, Wildclaw) Aerial somersault unleashing a tornado of winding slashes from distance. 陸ノ型 猫足恋風:ねこあしこいかぜ (Cat-Legged Winds of Love) Rapid extension and retraction of whip sword creating layered defensive slash storm.

35. #35[Def] Sound Breathing / 音の呼吸

    Keys: Sound Breathing, おとのこきゅう, 音の呼吸

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [音の呼吸:おとのこきゅう (Sound Breathing)]

    Breathing Style derived from Thunder Breathing created and wielded by Tengen Uzui(宇髄天元). Utilizes dual chained giant cleavers combined with anti-demon gunpowder bombs and superhuman hearing to read battle rhythms via Musical Score technique. Nichirin Swords turn amber.

    [剣型 (Forms & Techniques)] 壱ノ型 轟:とどろき (Roar) Dual cleaver downward smash accompanied by detonating explosive bombs generating thunderous shockwaves. 肆ノ型 響斬無間:きょうざんむけん (Constant Resounding Slashes) Rapid circular spinning of dual chained cleavers creating impenetrable explosive barrier. 伍ノ型 鳴弦奏々:めいげんそうそう (String Performance) High-speed forward charge spinning chained blades like propellers releasing continuous slashes and bomb explosions.

36. #36[Def] Beast Breathing / 獣の呼吸

    Keys: Beast Breathing, けだもののこきゅう, 獣の呼吸

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [獣の呼吸:けだもののこきゅう (Beast Breathing)]

    Self-taught wild Breathing Style distantly branched from Wind Breathing created by Inosuke Hashibira(嘴平伊之助). Utilizes dual serrated Nichirin katanas and acute skin sensitivity mimicking primal predatory instincts. Offensive moves are called Fangs(牙:きば) and utility moves are called Forms(型:かた). Nichirin Swords turn indigo-gray.

    [剣型 (Fangs & Forms)] 壱ノ牙 穿ち抜き:うがちぬき (Pierce) Simultaneous dual blade neck stab. 弐ノ牙 切り裂き:きりさき (Slice) X-shaped double slash. 参ノ牙 喰い裂き:くいざき (Devour) Simultaneous horizontal throat slashes decapitating target. 肆ノ牙 切細裂き:きりこまざき (Slice 'n' Dice) Multiple diagonal double slashes across body. 伍ノ牙 狂い裂き:くるいざき (Crazy Cutting) Omni-directional 360-degree mid-air chaotic slashes. 陸ノ牙 乱杭咬み:らんぐいがみ (Palisade Bite) Simultaneous saw-like inward decapitation clamp. 漆ノ型 空間識覚:くうかんしきかく (Spatial Awareness) Sensory technique using skin touch to detect air vibrations pinpointing targets across an entire mountain. 捌ノ型 爆裂猛進:ばくれつもうしん (Explosive Rush) Blind-charge assault ignoring incoming frontal strikes. 玖ノ牙 伸・うねり裂き:しん・うねりざき (Extending Bendy Slash) Joint dislocation extending attack reach for sudden flexible slash. 拾ノ牙 円転旋牙:えんてんせんが (Whirling Fangs) Rapid spinning dual swords deflecting projectiles. 思いつきの投げ裂き:おもいつきのなげざき (Sudden Throwing Strike) Throws dual katanas with high rotational force.

37. #37[Locate] Infinity Castle / 無限城

    Keys: Infinity Castle, 無限城, むげんじょう

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [無限城:むげんじょう (Infinity Castle)]

    Vast extra-dimensional wooden fortress acting as the domain and Blood Demon Art of Biwa Demon Nakime(鳴女). Serves as Muzan Kibutsuji primary stronghold shielded completely from sunlight.

    [Warped Gravity & Architecture] Endless maze-like expanse of wooden rooms, halls, and moving corridors with warped gravity. Inhabitants can stand perpendicularly or upside down on walls. Structures shift autonomously or via Nakime biwa strumming. Features water garden palaces and towering pillar zones.

    [Dimensional Manipulation] Nakime can freely manipulate space and open supernatural vanishing doors to teleport demons or targets. This targeting requires visual sight through her own eyes or spawned eye-minion probes, allowing her to scout targets across Japan(including Ubuyashiki Estate) and drop them into the castle at will.

    [Sunlight Immunity] Lacks any sunlight exposure, providing an absolute safe haven for demons to reside full-time during daytime.

38. #38[Locate] Swordsmith Village / 刀鍛冶の里

    Keys: Swordsmith Village, かたなかじのさと, 刀鍛冶の里

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [刀鍛冶の里:かたなかじのさと (Swordsmith Village)]

    Secret artisan settlement hidden within a dense forest, dedicated exclusively to forging and repairing Nichirin Swords for Demon Slayers. Led by Chief Tecchin Tecchikawahara(鉄地河原鉄珍).

    [Concealment Protocols] Slayers travel blindfolded with ear and nose plugs, piggybacked by Kakushi. Transport routes, Kakushi attendants, and Kasugai Crows are constantly rotated. All residents wear Hyottoko masks(ひょっとこ面) to conceal identities.

    [Key Facilities] Houses foundries, workshops, mechanical battle dolls like Yoriichi Type Zero(縁壱零式), and a therapeutic hilltop hot spring capable of curing physical injuries, fatigue, and obscure ailments.

39. #39[Locate] Asakusa / 浅草

    Keys: 浅草, あさくさ, Asakusa

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [浅草:あさくさ (Asakusa)]

    Bustling metropolitan district in Tokyo, Japan. Serves as a major urban center illuminated by electric streetlights, trolleys, and crowded marketplaces with business signs. The city sits on a bay decorated with a large fountain tower next to a large body of water.

    [Significance] Unlike rural mountain regions, it represents modern Taisho-era urbanization. It is the historic location where Tanjiro Kamado first confronted Muzan Kibutsuji and encountered Tamayo and Yushiro.

40. #40[Locate] Butterfly Mansion / 蝶屋敷

    Keys: 蝶屋敷, Butterfly Mansion, ちょうやしき

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [蝶屋敷:ちょうやしき (Butterfly Mansion)]

    Demon Slayer Corps medical recovery hospital and rehabilitation base operated by Shinobu Kocho(胡蝶しのぶ), Kanao Tsuyuri(栗花落カナヲ), and assistants Aoi Kanzaki(神崎アオイ), Sumi Nakahara(中原すみ), Kiyo Terauchi(寺内きよ), and Naho Takada(高田なほ).

    [Medical & Rehabilitation Role] Serves as the primary healing base for injured Demon Slayers. Shinobu Kocho oversees medical care and poison treatments supported by Kakushi medical attendants. Aoi Kanzaki and mansion residents run intensive physical rehabilitation training regiments to restore Slayers to peak condition.

    [Victory Tree] Features a historic cherry blossom tree in the front garden named the "Victory Tree"(勝利の桜), planted by the first Flower Breathing user.

41. #41[Locate] Mount Fujikasane

    Keys: Mount Fujikasane, 藤襲山, ふじかさねやま

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [藤襲山:ふじかさねやま (Mount Fujikasane)]

    Mountain enclosed year-round from foot to slope by blooming Wisteria flowers(藤の花). Used by the Demon Slayer Corps as the examination ground for Final Selection(最終選別).

    [Demon Prison] Houses live demons captured by active Demon Slayers. Wisteria flowers prevent demons from escaping, turning the mountain into a giant prison where trapped demons starve and attack examinees.

    [Hand Demon Legend] Site where the massive Hand Demon(手鬼) was imprisoned by Sakonji Urokodaki, which devoured numerous disciples of Urokodaki over decades before being slain by Tanjiro.

42. #42[Locate] Mount Kumotori

    Keys: Mount Kumotori, 雲取山, くもとりやま

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [雲取山:くもとりやま (Mount Kumotori)]

    High-altitude mountain situated along the border of Tokyo, Saitama, and Yamanashi Prefectures. Covered in thick snow and dense charcoal forests.

    [Origin Site] Ancestral home of the Kamado Family(竈門家) where Tanjiro produced charcoal before Muzan Kibutsuji slaughtered his family.

43. #43[Locate] Mount Natagumo

    Keys: 那田蜘蛛山, なたぐもやま, Mount Natagumo

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [那田蜘蛛山:なたぐもやま (Mount Natagumo)]

    Dense mountain covered in thick forest and spiderwebs. Serves as the stronghold for Lower Rank 5 Rui(累) and his proxy Spider Family(蜘蛛の鬼).

    [Defensive Mechanics] Mother Spider Demon utilizes thread puppetry to control and execute intruders from afar. Rui maintains absolute terrifying authority over family members to secure the territory.

44. #44[Locate] Mount Sagiri

    Keys: Mount Sagiri, さぎりやま, 狭霧山

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [狭霧山:さぎりやま (Mount Sagiri)]

    Huge mountain in an unpopulated region characterized by extremely thin oxygen near its peak, making breathing difficult.

    [Training Grounds] Base of Cultivator Sakonji Urokodaki. Candidates train here and must slice a massive boulder with a katana to qualify for Final Selection.

    [Spiritual Return] Spirits of Urokodaki deceased disciples who perish during Final Selection (such as Sabito and Makomo) return to reside on this mountain.

45. #45[Locate] Tsuzumi Mansion

    Keys: つづみやしき, 鼓屋敷, Tsuzumi Mansion

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [鼓屋敷:つづみやしき (Tsuzumi Mansion)]

    Sprawling traditional mansion located in the south-southeast. Formerly the human home of Kyogai(響凱), former Lower Rank 6.

    [Blood Demon Art Structure] Controlled by Kyogai Tsuzumi drum Blood Demon Art. Striking different drums flips room directions, rotates hallways, or teleports individuals across rooms, causing intruders to walk in endless circles.

46. #46[Locate] Yoshiwara / 吉原遊郭

    Keys: Yoshiwara, 吉原遊郭, よしわらゆうかく

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [吉原遊郭:よしわらゆうかく (Yoshiwara Entertainment District)]

    Famous Edo-founded red-light district in Tokyo populated by courtesans (Oiran). Functioned for over a century as the hunting ground for Upper Rank 6 siblings Gyutaro and Daki.

    [Major Pleasure Houses]

    • 京極屋:きょうごくや (Kyogoku House)
    • 荻本屋:おぎもとや (Ogimoto House)
    • ときと屋:ときとや (Tokito House)

    [切見世:きりみせ (Kirimise)] Impoverished slums on the district outer edge where sick, elderly, or low-ranking courtesans reside. Birthplace of Gyutaro and Daki.

47. #47[Def] Blue Spider Lily

    Keys: あおいひがんばな, 青い彼岸花, Blue Spider Lily

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [青い彼岸花:あおいひがんばな (Blue Spider Lily)]

    Mythical medicinal plant that transformed Muzan Kibutsuji into an Oni during the Heian era. Crucial missing ingredient for Muzan to achieve complete immortality and sunlight resistance.

    [Ecology & Concealment] Blooms in direct sunlight only 2 to 3 days per year during daytime for a brief period before closing into a shape resembling a large horsetail(ツクシ) weed. Natively grew near the Kamado family residence, rendering it impossible for sunlight-vulnerable demons to discover over a millennium.

48. #48[Def] Anti-Kibutsuji Drug

    Keys: きぶつじむざんのくすり, Muzan Drug, Anti-Kibutsuji Drug, 鬼舞辻無惨の薬

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [鬼舞辻無惨の薬:きぶつじむざんのくすり (Anti-Kibutsuji Drug)]

    Lethal four-stage composite drug engineered by Tamayo, Shinobu Kocho, and Yushiro to weaken and eliminate Muzan Kibutsuji. Formulated to activate sequentially as Muzan cells attempt to neutralize previous stages.

    [Four Stages]

    1. Human Conversion (人間化): Converts demon cells back into human biology.
    2. Aging (老化): Accelerates biological age at 50 years per minute, aging Muzan over 9,000 years in 3 hours.
    3. Splitting Prevention (分裂阻害): Seals cellular fragmentation, preventing Muzan from exploding into 1,800 flesh pieces to escape.
    4. Cellular Destruction (細胞破壊): Destroys weakened cellular structure, destroying tissue from within.
49. #49[Def] Wisteria

    Keys: 藤の花, ふじのはな, Wisteria

    Enabled · Selective · Before character · Order 10 · 100%

    Entry settings

    [藤の花:ふじのはな (Wisteria)]

    Natural plant highly lethal and repellant to Oni. Serves as the primary defensive barrier against demons throughout the Demon Slayer Corps.

    [Applications] Encloses Mount Fujikasane for Final Selection, provides protective warding incense, seals final ranking engravings onto Slayers hands, serves as medical antidotes, and coats poison needles used by Shinobu Kocho.

50. #50--------[ Character Info ]--------

    Enabled · Selective · Before character · Order 10 · 100%

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