Every combatant in Demon Slayer carries a Nichirin Sword, a special kind of weapon. Because they change color based on who wields them, these swords are unique.
Each sword color is linked to a breathing style and shows the person’s fighting skills and personality. Some colors are common but there are other colors that are extremely rare.
This guide will explain Demon Slayer sword colors meanings, why some swords change their color, and which colors are the strongest.
Each blade’s hue reflects a wielder’s essence—these traits are shaped heavily by their breathing style in Demon Slayer.
⚠ Spoiler Alert: This article consist details from the anime and manga.
What Are Nichirin Swords?
The only swords capable of killing demons are Nichirin swords. Demons are incapable of surviving on sunlight because they are composed of a unique metal that absorbs it.
How Do Nichirin Swords Work?
- It changes color when a Demon Slayer first draws their sword.
- The color is based on their breathing technique and skills.
- Some swords can change color again in special situations.
Now, let’s look at every sword color and its meaning.
The Meaning of Each Sword Color
Each Nichirin Blade is connected to a specific breathing style. Here’s what each color represents:
1. Red Nichirin Blade – Flame Breathing
- Kyojuro Rengoku wields this sword.
- It shows strength, passion and determination.
- Flame Breathing renown for its powerful and fast attacks.
Both Rengoku and Tengen’s Nichirin swords reflect their bold personalities—see how they compare in our Tengen vs Rengoku battle analysis.
2. Blue Nichirin Blade – Water Breathing
- Wielded by Giyu Tomioka.
- Represents flow, calmness, and control.
- Water Breathing allows for fluid and precise movements.
3. Black Nichirin Blade – Sun Breathing?
- Wielded by Tanjiro Kamado.
- Very rare, with an unknown meaning.
- Might be linked to Sun Breathing, the strongest breathing style.
- Some say black swords bring bad luck because most wielders die young.
4. Yellow Nichirin Blade – Thunder Breathing
- It is wielded by Zenitsu Agatsuma.
- Represents speed, precision, and power.
- Thunder Breathing users can strike with lightning-fast attacks.
5. Green Nichirin Blade – Wind Breathing
- Wielded by Sanemi Shinazugawa.
- Symbolizes unpredictability and fierce power.
- Wind Breathing allows for strong and fast slashes.
6. White Nichirin Blade – Mist Breathing
- Wielded by Muichiro Tokito.
- Represents mystery and illusion.
- Mist Breathing techniques confuse enemies and hide movements.
7. Pink Nichirin Blade – Love Breathing
- Wielded by Mitsuri Kanroji.
- Symbolizes passion, grace, and flexibility.
- Love Breathing is a mix of speed and power.
8. Orange Nichirin Blade – Sound Breathing
- Wielded by Tengen Uzui.
- Represents rhythm, strategy, and destruction.
- Sound Breathing uses vibrations and explosive attacks.
9. Gray Nichirin Blade – Stone Breathing
- Wielded by Gyomei Himejima.
- Symbolizes unshakable strength and defense.
- Stone Breathing uses heavy, crushing attacks.
Why Do Some Swords Change Color?
A sword’s color is linked to its user, but some blades change under special conditions.
Examples of Color Changes:
- Tanjiro’s sword gains power when heated, turning Crimson Red.
- The Crimson Red Nichirin Blade belonged to Yoriichi Tsugikuni, the most formidable Demon Slayer.
Some powerful swordsmen have special blade transformations that make them even stronger.
The Strongest Nichirin Blade Colors
Not all Nichirin Blades are equal in battle. Some colors have greater power than others.
Top 3 Strongest Sword Colors:
- Crimson Red Nichirin Blade – Can burn demons and stop their healing.
- Black Nichirin Blade – Possibly linked to Sun Breathing, the most powerful style.
- Flame & Water Blades – Used by some of the strongest Hashira in history.
While every Nichirin Blade is deadly to demons and some are far stronger in combat.
FAQs
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What is the rarest sword color in Demon Slayer?
The rarest Nichirin Blade is the black one. Only a few Demon Slayers have ever had one.
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What does a black Nichirin Blade mean?
It is linked to Sun Breathing, but most black sword users die young.
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Which is the strongest Nichirin blade?
Since the Crimson Red Nichirin Blade prevents demons from healing, it is the strongest.
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Do Demon Slayer swords change color over time?
No, a sword stays the same color after it first changes. However, some swords can glow or transform in battle.
Review & Verdict: Which Sword Color Is the Best?
Best Sword Colors for Battle:
- Crimson Red Nichirin Blade – The strongest in battle.
- Black Nichirin Blade – Linked to the legendary Sun Breathing.
- Flame & Water Blades – The most balanced in attack and defense.
Although each hue has advantages, demons are most afraid of Crimson Red.
Curious how these weapons are used in battle? Explore the top combat scenes in our best Demon Slayer fights breakdown.
Conclusion
In Demon Slayer, Nichirin Blades serve as more than just weapons. Their colors reveal details about the wielder’s skills, respiration, and fate.
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