Daki is a powerful Upper Rank Six demon, turned at 13, who hunts humans with her brother Gyutaro in the Yoshiwara Red-Light District. Daki was 13 as a human and has existed as a demon for over 100 years, around 113-126 years during the Entertainment District Arc.
Daki became a demon at 13, gaining immortality and deadly powers, growing into a formidable Upper Rank Six with her brother Gyutaro.
Curious about how old is Daki from Demon Slayer and her full backstory? Check out the detailed article on KunManga for all the answers.
Who is Daki?
Daki is one of the Twelve Kizuki, holding the position of Upper Rank Six alongside her brother, Gyutaro. She operates in the Yoshiwara Red-Light District, preying on humans while blending elegance with deadly efficiency.
Before becoming a demon, Daki lived a brief, tragic life in poverty. She and her brother Gyutaro struggled to survive until they encountered Doma, who transformed them into demons. This event granted them immortality, extraordinary power, and a bond that defines their shared role as Upper Moons.
As a character, Daki embodies both the cruelty and tragedy of demons in Demon Slayer, making her a central antagonist in the Entertainment District Arc.

How old is Daki from Demon Slayer?
Daki ppears as a striking young woman in the series, her true age is far older. Daki was turned into a demon at just 13 years old and has existed as a demon for over a century.
By the time of the Entertainment District Arc, she is estimated to be between 113 and 126 years old.
The question how old is Daki from Demon Slayer requires distinguishing between her human and demon ages:
- Human Age: Daki was 13 years old when she was burned and turned into a demon by Doma.
- Demon Age: She has existed as a demon for over 100 years, with sources citing approximately 113 to 126 years old during the events of the Entertainment District Arc.
- Appearance: Despite being 13 as a human, her demon form appears as a mature, beautiful woman, capable of luring and overpowering humans.
- Mentality: She retains a childlike, bratty, and emotional personality, frequently throwing tantrums, which contrasts with her immense power and century-long existence.
This duality-childlike behavior and deadly strength-makes Daki one of the most memorable Upper Moon demons.

Daki’s rise as a Demon
After her transformation by Doma, Daki quickly adapted to her new powers:
She gained immortality, enhanced strength, speed, and regeneration.
She mastered her sash abilities, which serve as deadly weapons and can slice through multiple opponents with precision.
She formed a strong bond with her brother Gyutaro, sharing the title of Upper Rank Six, which amplifies their combat effectiveness.
Over her century-long existence, she honed her skills and grew to become a dominant figure in the demon hierarchy.
Daki’s age as a demon allowed her time to refine her techniques, making her a formidable threat to the Demon Slayer Corps.
Key facts about Daki’s age and character
Here’s a concise summary of essential details about Daki that help fans understand her:
Human Age: 13 years old at the time of transformation
- Demon Age: Over 100 years, around 113–126 years old
- Upper Moon Rank: Upper Rank Six (shared with Gyutaro)
- Appearance: Mature, alluring woman despite young human age
- Personality: Bratty, emotional, childlike mindset
- Abilities: Regeneration, superhuman strength, lethal sash manipulation
Role in Series: Main antagonist in the Entertainment District Arc
These facts highlight the contrast between Daki’s appearance, her mentality, and her true age and abilities.
How Daki’s age affects her powers
Daki’s century-long existence as a demon directly contributes to her deadly abilities:
- Enhanced Durability: Her demon age allows near-immortality and rapid regeneration.
- Mastery of Combat: Decades of experience give her precise control over her sash techniques.
- Strategic Awareness: While emotionally bratty at times, her long existence allows her to predict and manipulate opponents effectively.
- Shared Strength with Gyutaro: Being Upper Moon Six alongside her brother amplifies her threat level, making them one of the most dangerous demon pairs.
Her age gives her an edge over younger demon slayers while maintaining the deceptive appearance of a youthful woman.

Differences between human and Demon age
It’s important to separate Daki’s human and demon ages:
- Human Age: Reflects her backstory, personality formation, and tragic early life.
- Demon Age: Determines her power level, combat skill, and longevity.
- Apparent Age: What humans and demon slayers perceive-youthful and elegant-hiding her century-long existence.
This distinction explains why Daki’s appearance does not reflect her true power and experience.
FAQs
How long has Daki been a demon?
She has been a demon for more than a century, allowing her to perfect her deadly abilities.
Who is Daki’s brother?
Gyutaro, who shares the Upper Rank Six position and fights alongside her.
Why does Daki appear so young?
Her demon form preserves a youthful, mature appearance despite her actual age.
What powers does Daki have as a demon?
Regeneration, enhanced strength, speed, and her lethal sash manipulation are her primary abilities.
How does Daki’s age affect her behavior?
Although over 100 years old, she retains a bratty, childlike personality, throwing tantrums and expressing emotional volatility.
So, how old is Daki from Demon Slayer? She was 13 when transformed into a demon and has existed for over a century, making her roughly 113-126 years old during the Entertainment District Arc. Her appearance as a mature woman contrasts with her bratty, emotional personality, and her age explains her mastery of combat, regeneration, and lethal abilities.
For fans who want to explore more character details, story arcs, and how many Berserk chapters are there, visit KunManga, where every manga and anime detail is explained clearly and thoroughly.

Mary James is a contributor at KunManga, focused on identifying notable comic releases and emerging reading trends. Her work emphasizes relevance, easy discovery, and helping readers navigate Manga, Manhwa, and Manhua that are currently drawing attention.
