Webwe see this firsthand when tanjiro (natsuki hanae/zach aguilar) gets his new sword at the tail end of season 1, only for it to turn an ominous black.
Webthe red sword represents flame and kyojuro rengoku’s excentric and expansive personality translates that.
The fire breathing allows for some incredible.
Webtanjiro struggles to fight hantengu’s clones, and at the end of episode 5 of demon slayer season 3, we see him getting hold of a flaming bright red sword.
Webthe discovery that tanjiro's blade turns red in combat, just like yorichii's, suggests that he may have the potential to inherit the legendary swordsman's power.
Webdoes a darker secret lurk behind the elusive black nichirin blade?
How will tanjiro’s fate intertwine with these aspects, and what exceptional powers reside within.