Agatsuma Zenitsu 's katana in Demon Slayer is one of the most iconic weapons in the series. As one of the main characters, Zenitsu is known to be a skilled swordsman and his katana is an extension of his character. The katana features an elegant and unique design, with a white blade and a yellow and black striped hilt that reflects Zenitsu's personality and style.
Zenitsu 's katana also has great importance in the plot of the series, as it is a vital tool in his fight against demons. Zenitsu relies on his katana to defeat demons and protect his friends. Furthermore, his sword hides a special secret that gives Zenitsu an advantage in fighting demons. In short, Agatsuma Zenitsu's katana is an essential part of the Demon Slayer series, both in terms of design and plot importance.