Demon Slayer took the anime world by storm with its emotional story, stunning animation, and unforgettable characters. Whether you're a die-hard fan of Tanjiro and Nezuko or new to the Demon Slayer Corps, here are 10 fun facts that will deepen your appreciation for the series.
1. The Series Was Almost Rejected
Before getting published, Demon Slayer was rejected several times by publishers. Koyoharu Gotouge’s unique art style was seen as too unconventional at first.
2. Tanjiro's Earrings Sparked Controversy
The design of Tanjiro’s hanafuda earrings was changed in some countries due to their resemblance to a controversial symbol in historical contexts.
3. The Story Was Inspired by Traditional Japanese Mythology
Many of the demons, breathing styles, and even the Hashira are based on Japanese folklore and samurai culture.
4. The Manga Was Written by a Mysterious Author
Koyoharu Gotouge, the creator, keeps their identity private. It's still unclear if the author is male or female, adding mystery to their rising fame.
5. Zenitsu Was Meant to Be More Serious
Zenitsu’s cowardly personality was originally written to be more serious and calm, but the comedic version tested better with readers and stayed.
6. The Animation Broke Records
Episode 19 of the anime was so well-animated that it went viral worldwide and caused a huge spike in manga sales. It’s still considered one of the most iconic anime scenes ever.
7. Nezuko's Character Design Changed Late in Production
Nezuko was initially designed to speak more and wear a different outfit. The bamboo gag was added later to give her a more iconic look and silent presence.
8. Mugen Train Is the Highest-Grossing Anime Film Ever
Demon Slayer: Mugen Train broke records and became the highest-grossing anime film worldwide, surpassing Spirited Away.
9. Each Hashira Has a Unique Symbolic Element
Every Hashira (Pillar) represents a specific element and emotion, reflected in their fighting style and clothing.
10. The Series Has a Real-Life Sword Replica Line
Officially licensed replica swords based on the anime have been released in Japan — some even forged by traditional blacksmiths.
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Which fact was new to you?
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