Who is the oldest person in Demon Slayer?
The oldest character in Demon Slayer is Yoriichi Tsugikuni, the legendary swordsman who lived over 400 years before the main story events.
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Definitely Yoriichi Tsugikuni! He's ancient compared to everyone else, having lived around 500 years ago.
Hot take: The oldest 'living' character in Demon Slayer is Muzan Kibutsuji, the first demon, who has been around for over a thousand years.
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