Hi there, Junko from Japan here! Why does Genya use a gun instead of a Nichirin sword?
Genya has a gun since he doesn’t have the aptitude for a Demon Slayer swordsmen. Even if he holds the Nichirin sword, the color hardly changes. Also, he has no talent for swordsmanship.
Unfortunately, Genya can’t fight with a Nichirin sword. Same as Rengoku Senjuro, a younger brother of Kyojuro, Genya is not cut out for a Demon Slayer swordsman no matter how he desires to become it.
Genya himself understands that and uses a special gun that can shoot bullets made of TATARA TETSU, the same material as the Nichirin sword.
According to the official Demon Slayer fan book, the lethal capability of this special gun is inferior to the regular Nichirin sword while it can kill weak demons.
So Genya brings a short sword made of Tatara iron too. Weaken a demon with the gun, and gives it final blow with the sword by cutting its neck off. That is Genya’s fighting style.
For your information, the original scene is added to the anime edition in which Genya visits the Swordsmith Village and receives his short Nichirin sword. This scene isn’t described in the original manga edition.
Why Can’t Genya Use Any Breathing Styles?
Genya can’t use any Breathing Styles or techniques simply because he lacks the talent for Breathing.
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