The Upper Moon Demons in Demon Slayer: Who Are Muzan’s Strongest Warriors?

The Upper Moon demons in Demon Slayer are the most powerful demons. They serve Muzan Kibutsuji. They are stronger than the Lower Moons and they can fight on level with the Hashira who are also known as the strongest Demon Slayers.

Each Upper Moon has a rank from Six to One and the Upper Moon One being the strongest. Unlike the Lower Moons, who are often replaced, the Upper Moons remain in their positions for hundreds of years. They have incredible strength, deadly Blood Demon Arts, and unmatched regeneration which make them nearly unstoppable.

Their monstrous strength is what makes the Hashira battles so intense—see how the top Demon Slayers stack up in our Strongest Hashira comparison.

Let’s see here, who the Upper Moons are and why they are so powerful.

How Are the Upper Moons Ranked?

Muzan ranks demons based on their strength, combat skills, and usefulness. The strongest demons hold the Upper Moon ranks, while the weaker ones are Lower Moons.

Why Are Upper Moons Stronger?

• Stronger Blood Demon Arts – Their abilities are more dangerous.
• Faster Regeneration – They can heal almost instantly.
• Years of Experience – They have fought for centuries.
• Muzan’s Blood – They have more of Muzan’s blood which makes them far stronger.

Let’s rank all the Upper Moon demons in Demon Slayer from weakest to strongest.

All Upper Moon Demons in Demon Slayer (Ranked)

Upper Moon Six – Daki & Gyutaro

• Two demons sharing one rank.
• Blood Demon Arts:
  • Daki – Uses Obi Sashes to attack and defend.
  • Gyutaro – Controls Flying Blood Sickles laced with poison.
• Key Battle: They fought Tengen Uzui, Tanjiro, Inosuko, and Zenitsu in the Entertainment District Arc season.
• Weakness: Demon Slayers have to kill them at the same time to die.

Upper Moon Five – Gyokko

• Obsessed with art, with a fish-like demon form.
• Blood Demon Art: Creates water-based attacks through magical vases.
• Key Battle: Fought Muichiro Tokito (Mist Hashira) in the Swordsmith Village Arc.
• Weakness: Gets angry easily when mocked.

Upper Moon Four – Hantengu

• Can split into multiple clones, each with different abilities.
• Blood Demon Arts:
  • Sekido (Anger) – Uses lightning attacks.
  • Karaku (Relaxation) – Controls powerful wind-based attacks.
  • Aizetsu (Sorrow) – Wields a spear for long-range combat.
  • Urogi (Joy) – Has sharp claws and wings for aerial attacks.
  • Zohakuten – The combined form, controlling wood-based attacks.
  • True Hantengu – The original weak body, used for survival.
• Key Battle: He fought Mitsuri Kanroji, Tanjiro, Nezuko, and Genya in the Swordsmith Village Arc season.
• Weakness: His true form is small and weak and it helps him hide well.

Upper Moon Three – Akaza

• Master of hand-to-hand combat.
• Blood Demon Art: Destructive Death Style – A martial arts-based ability that increases his speed and power.
• Key Battles:
  • He fought Kyojuro Rengoku (Flame Hashira) in the Mugen Train Arc season.
  • Later he battled Giyu Tomioka and Tanjiro in the Infinity Castle.
• Weakness: He refuses to kill weak humans, which gives his enemies openings.

Upper Moon Two – Doma

• A cult leader who has no emotions.
• Blood Demon Art: Ice Manipulation – Can freeze enemies instantly with his mist-like ice attacks.
• Key Battle: He fought Shinobu Kocho, Inosuke, and Kanao in the Infinity Castle season.
• Weakness: He underestimates his opponents and he is very overconfident.

These Upper Moons clash with iconic characters in scenes covered in our best Demon Slayer fights roundup.

Upper Moon One – Kokushibo

• The strongest Upper Moon and a former Demon Slayer.
• Blood Demon Art: Moon Breathing which is a demonic version of Sun Breathing that creates crescent-shaped slashes.
• Key Battle: He fought Gyomei Himejima, Muichiro Tokito, Sanemi Shinazugawa, and Genya Shinazugawa in the Infinity Castle season.
• Weakness: Haunted by his jealousy of Yoriichi who is also his twin brother.

Why Are the Upper Moons So Hard to Kill?

Muzan gives them more of his blood, making them far stronger than normal demons.

Reasons Why Lower Moons Are Weaker

• They lack battle experience.
• Their Blood Demon Arts are weaker.
• Muzan kills them often, so they don’t grow stronger.
• They fear Muzan too much, which makes them hesitate in battle.

On the other hand Upper Moons are fearless and highly skilled.

FAQs

1. Who is the strongest Upper Moon in Demon Slayer?

Kokushibo (Upper Moon One) is the strongest. His Moon Breathing and sword skills make him almost unbeatable.

2. Are the Upper Moons stronger than the Hashira?

Yes. Most Upper Moons can defeat multiple Hashira at once. Only a few Hashira have managed to win.

3. What are all the Upper Moons in Demon Slayer?

The Upper Moons in order are:

1. Kokushibo
2. Doma
3. Akaza
4. Hantengu
5. Gyokko
6. Daki & Gyutaro

4. Why didn’t Muzan replace Upper Moons like he did with Lower Moons?

Upper Moons rarely lose, so Muzan doesn’t need to replace them. Lower Moons are too weak, so he kills them frequently.

5. Who is the weakest Upper Moon?

Daki (Upper Moon Six) is the weakest alone. However, with Gyutaro, she is much stronger.

Conclusion

The Upper Moons in Demon Slayer are Muzan’s strongest warriors. They have survived centuries of battles. They have fought with the strongest Hashira, and mastered powerful Blood Demon Arts.

With the Infinity Castle arc approaching, we expect even more terrifying moments—get the demon slayer infinity castle arc release date here.

Among them, Kokushibo is the most powerful, while Akaza, Doma, and Hantengu are also extremely dangerous.