Kozo Kanamori

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A veteran blacksmith of the Swordsmith Village who repairs and maintains Nichirin blades; gives Tanjiro key guidance during the Hantengu and Gyokko crisis despite having no combat ability of his own.

An elderly swordsmith with a weathered face and thinning hair, dressed in traditional forge-work clothing and often seen carrying tools around the village.

Gruff, practical and no-nonsense, he takes his craft seriously and has no patience for Demon Slayers who treat their blades carelessly.