Webbesides sunlight, demons can only be defeated by a special blade known as a nichirin sword.

At the core of demon slayer lore is the concept that demons can only be defeated by nichirin swords, blades crafted from crimson iron sand.

Nichirin blades are capable of killing.

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This gave him the power to stop the demon king’s ability to heal faster.

Webwhen tanjiro used his sun breathing style against muzan, his black nichirin blade turned red.

Webwhen tanjiro's sword unexpectedly turned black, it may have been the first sign that he was in for a remarkable journey.

Demon slayers utilize these unique blades, crafted from crimson iron.

The kanji for “tan” means charcoal,.

Webthe dark color of tanjiro's sword is seen as a bad omen by some, as a black blade might suggest not having the strength to leave a mark on demons.

The black color has thematic ties to tanjiro‘s.

The kanji for “tan” means charcoal,.

Webthe dark color of tanjiro's sword is seen as a bad omen by some, as a black blade might suggest not having the strength to leave a mark on demons.

The black color has thematic ties to tanjiro‘s.

Webone theory suggests that tanjiro’s blade is black because his name symbolizes his connection with charcoal and fire.

Webdefying the curse of black blades shows tanjiro‘s inner strength and character triumphing over destiny.

Webtanjiro’s original nichirin sword.

Webtanjiro’s original nichirin sword.

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