Kotetsu

Character from Demon Slayer by Koyoharu Gotouge

A young swordsmith's apprentice who guards a 300-year-old mechanical training doll and helped Tanjiro unlock a hidden blade inside it.

Also known as: Kotetsu

What They Know

• Caretaker of Yoriichi Type Zero — a mechanical training doll from the Sengoku era with six arms, built to replicate a swordsman's movements
• Discovered a hidden Nichirin blade inside Yoriichi Type Zero when the doll broke — this blade became Tanjiro's final weapon
• Apprentice swordsmith from the Swordsmith Village, carrying on his family's craft

Connections

• ally_of — tanjiro
• ally_of — muichiro
• lives_at — swordsmith_village

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