The strongest Demon Slayer is judged by technique mastery, special abilities, and combat feats, all of which Yoriichi surpasses.
Based on canon manga evidence, battle feats, and impact on Muzan, Yoriichi Tsugikuni is the strongest Demon Slayer in history, far surpassing all others in skill and power.
Notable top-tier Demon Slayers include Yoriichi Tsugikuni, Gyomei Himejima, Tanjiro Kamado, Sanemi Shinazugawa, and Kyojuro Rengoku, though canon clearly places Yoriichi alone at the peak.
Read the full article below on KunManga to discover Who is the strongest Demon Slayer and explore the full canon ranking in detail.
What defines the “Strongest” Demon Slayer?
Understanding who is the strongest Demon Slayer requires clear criteria.
Key factors considered
- Breathing Technique mastery
- Demon Slayer Mark
- Transparent World usage
- Performance against Upper Moons
- Impact on Muzan
Yoriichi surpasses all others in every category.
Strength vs Legacy
While many Hashira are powerful, only one changed the course of demon history. That distinction defines true strength.

Who is the strongest Demon Slayer?
Nezuko Kamado
- Affiliation: Demon (ally of the Demon Slayer Corps)
- Narrative role: Emotional core of the story and Tanjiro’s driving force
- Primary strengths: Rapid regeneration, explosive Blood Demon Art, adaptive physical growth
- Unique advantage: Develops rare resistance traits that separate her from standard demons
- Key limitation: Immense power bursts are difficult to maintain and require recovery
Nezuko Kamado is a rare demon ally whose explosive strength and rapid regeneration allow her to rival Upper Moon–level threats in short bursts.
Her resistance to sunlight and evolving Blood Demon Art make her unique in the series.
However, limited stamina prevents her from ranking highest when discussing who is the strongest Demon Slayer overall.

Inosuke Hashibira
- Affiliation: Demon Slayer Corps
- Breathing style: Beast Breathing (self-created)
- Combat identity: Instinct-driven, erratic movement, aggressive dual-wielding
- Growth curve: Gradually reaches Hashira-level composure in high-pressure fights
- Weakness: Impulsiveness can be exploited by highly technical opponents
Inosuke Hashibira fights with raw instinct, unpredictable movement, and aggressive Beast Breathing techniques.
His adaptability lets him scale into Hashira-level battles despite lacking formal training.
Still, his impulsive style keeps him just below the top tier in debates about who is the strongest Demon Slayer.
Yushiro
- Affiliation: Demon (aligned with Tamayo)
- Combat role: Tactical support with deceptive utility
- Blood Demon Art: Camouflage and perception disruption
- Battle impact: Controls information flow and positioning
- Limitation: Not designed for direct finishes against top-tier enemies
Yushiro excels as a tactical support fighter rather than a direct powerhouse.
His Blood Demon Art focuses on concealment, deception, and battlefield control, often deciding fights indirectly.
While he is not the answer to who is the strongest Demon Slayer, his strategic value is undeniable.
Kaigaku
- Affiliation: Demon (Upper Moon successor)
- Background: Former Thunder Breathing trainee
- Power profile: Lightning-based Blood Demon Art combined with sword fundamentals
- Threat type: Speed and burst damage
- Limitation: Newly gained power lacks refinement and discipline
Kaigaku combines Thunder Breathing fundamentals with demonic lightning-based power, creating a dangerous hybrid fighter. His speed and burst damage make him lethal in short engagements.
However, his lack of refinement and discipline keeps him from being considered who is the strongest Demon Slayer level.
Sakonji Urokodaki
- Affiliation: Demon Slayer Corps (retired Hashira)
- Breathing style: Water Breathing
- Strength focus: Experience, discipline, technical mastery
- Limitation: Age reduces frontline explosiveness
Sakonji Urokodaki represents the old guard of Demon Slayer excellence, built on flawless Water Breathing fundamentals and decades of experience.
While age limits his frontline explosiveness, his technical mastery remains elite.
He is respected as a master, though not positioned as who is the strongest Demon Slayer.
Zenitsu Agatsuma
- Affiliation: Demon Slayer Corps
- Breathing style: Thunder Breathing (speed-specialized)
- Signature edge: Instantaneous, precise execution
- Development: Grows from situational fighter to reliable threat
- Limitation: Mental state affects consistency
Zenitsu Agatsuma possesses terrifying speed and precision when fully focused, capable of instant, decisive strikes.
His Thunder Breathing allows him to overwhelm enemies in a single moment. Inconsistency, however, prevents him from dominating discussions about who is the strongest Demon Slayer.
Shinobu Kocho
- Affiliation: Hashira (Insect Hashira)
- Breathing style: Insect Breathing
- Combat method: Poison-based lethality over brute force
- Strength profile: Speed, preparation, surgical precision
- Limitation: Lower raw cutting power
Shinobu Kocho relies on intelligence, speed, and poison-based combat rather than raw strength.
Her precision turns physical disadvantages into lethal advantages against demons.
While she is not built to overpower the strongest foes, she remains one of the most dangerous specialists in the series.

Mitsuri Kanroji
- Affiliation: Hashira (Love Hashira)
- Breathing style: Love Breathing
- Strengths: Flexibility, speed, endurance, physical power
- Notable trait: Sustains extended high-level combat
- Limitation: Isolation against complex threats
Mitsuri Kanroji combines exceptional flexibility, stamina, and physical strength with her unique Love Breathing style.
She performs remarkably well in prolonged, high-pressure battles. In rankings of who is the strongest Demon Slayer, Mitsuri earns respect for endurance rather than brute dominance.
Tengen Uzui
- Affiliation: Hashira (Sound Hashira, retired)
- Combat style: Explosive offense and rhythm-based tactics
- Battle value: Thrives in chaotic, multi-opponent environments
- Limitation: Long-term injuries reduce peak performance
Tengen Uzui thrives in chaotic, multi-enemy battlefields using speed, explosives, and precise timing.
His combat rhythm allows him to control tempo better than most Hashira.
Though not the strongest overall, he represents peak tactical performance.
Gyomei Himejima
- Affiliation: Hashira (Stone Hashira)
- Breathing style: Stone Breathing
- Weapon style: Heavy chain-and-axe requiring extreme conditioning
- Power profile: Widely regarded as the strongest active Hashira
- Limitation: Still bound by human endurance
Gyomei Himejima is widely recognized as the strongest active Hashira in raw power and combat fundamentals.
His Stone Breathing, physical strength, and discipline place him above his peers.
When asking who is the strongest Demon Slayer among living Hashira, Gyomei is the most common answer.
Kokushibo
- Affiliation: Upper Moon One
- Combat specialty: Supreme swordsmanship and Moon Breathing
- Power profile: Combines centuries of battle experience with overwhelming technique and precision
- Notable impact: Capable of pushing multiple elite Hashira to their absolute limits at once
- Overall status: The strongest Upper Moon and the peak of demon sword combat
Kokushibo stands as the pinnacle of demon swordsmanship, combining centuries of experience with overwhelming technique.
He pushes multiple elite Hashira to their absolute limits simultaneously.
Among demons, he is the clearest answer to the strongest Upper Moon.
Akaza
- Affiliation: Upper Moon Three
- Combat style: Close-range martial arts with extreme regeneration
- Power profile: Highly adaptive fighter who grows stronger during prolonged battles
- Notable impact: Responsible for killing multiple Hashira through superior dueling ability
- Overall status: One of the deadliest combat-focused demons, though not the absolute strongest
Akaza is a near-perfect close-combat fighter with extreme regeneration and adaptive combat instincts.
He excels in prolonged duels where most opponents would collapse.
While not the absolute strongest demon, he is one of the deadliest Hashira killers in the series.
Doma
- Affiliation: Upper Moon Two
- Combat specialty: Ice-based Blood Demon Art with wide-area control
- Power profile: Overwhelms opponents through versatility, range, and emotional detachment
- Notable impact: Excels at dominating both offense and defense simultaneously
- Overall status: Ranks near the top of demon power due to battlefield control and lethality
Doma dominates battles through wide-area control, versatility, and emotional detachment.
His ice-based Blood Demon Art overwhelms both offense and defense simultaneously. In any high-level comparison, he ranks near the top of demon power.
Muzan Kibutsuji
- Affiliation: Demon King
- Combat specialty: Biological manipulation, extreme regeneration, overwhelming speed
- Power profile: Surpasses all Upper Moons in raw power and survivability
- Notable impact: Forces multiple top-tier Demon Slayers to cooperate just to stand a chance
- Overall status: The definitive strongest demon and ultimate benchmark of power in Demon Slayer
Muzan Kibutsuji is the Demon King and the ultimate benchmark of power in the series.
His regeneration, speed, and biological manipulation surpass all Upper Moons.
When discussing who is the strongest being in Demon Slayer, Muzan is the definitive demon answer.
Yoriichi Tsugikuni
- Affiliation: Legendary Demon Slayer
- Breathing style: Originator of Sun Breathing
- Historic feat: The only swordsman implied capable of defeating Muzan alone
- Narrative role: A once-in-history phenomenon
Yoriichi Tsugikuni is the uncontested peak of Demon Slayer history.
As the creator of Sun Breathing, he nearly defeated Muzan alone and redefined the limits of human combat potential.
In nearly every serious analysis of who is the strongest Demon Slayer, Yoriichi stands alone at number one.

Updated October 12, 2025: With the Infinity Castle film’s global success, interest in Demon Slayer power rankings has surged, and the question of who is the strongest Demon Slayer continues to dominate fan discussions worldwide.
FAQs about who is the strongest Demon Slayer
Before exploring the FAQs about who is the strongest Demon Slayer.
The questions below help clarify who is the strongest Demon Slayer based on canon evidence and community consensus.
Who is the strongest Demon Slayer in history?
Yoriichi Tsugikuni is the strongest Demon Slayer ever, far surpassing all others in skill and power.
Who is the strongest Demon Slayer among the Hashira?
Gyomei Himejima is canonically the strongest Hashira in the series.
Is Tanjiro the strongest Demon Slayer?
Tanjiro becomes extremely powerful, but he does not surpass Yoriichi or Gyomei.
Could any Demon Slayer defeat Muzan alone?
Only Yoriichi came close to killing Muzan by himself.
Does the Demon Slayer Mark decide strength?
It greatly enhances power, but mastery and experience still matter.
Who is stronger, Gyomei or Sanemi?
Gyomei is stronger overall, though Sanemi has higher aggression.
Why is Yoriichi considered unbeatable?
Because his abilities were natural, complete, and unmatched even centuries later.
So, who is the strongest Demon Slayer? Canon evidence leaves no doubt, Yoriichi Tsugikuni stands at the absolute peak, with Gyomei Himejima leading the modern era.
While Tanjiro and other Hashira achieve incredible feats, none match Yoriichi’s impact or power.
On KunManga, you can explore deeper Demon Slayer power rankings, character analyses, and lore breakdowns to fully appreciate what makes these warriors legendary.

David Laid is part of the KunManga editorial team, focusing on curating fast-moving comic trends and presenting them in a clear, reader-first format. His work prioritizes up-to-date releases, genre discovery, and helping readers quickly decide what to read next across Manga, Manhwa, and Manhua.
