Obanai Iguro

— "I want to die defeating Muzan; in this way, this mudblood will be purified. And if I am reborn as a human being in a peaceful world without Demons, I will tell you how I feel about you."

Obanai is a very tough and strict person who shows no concern for those who don't abide by the Demon Slayer rules.Obanai is a very tough and strict person who shows no concern for those who don't abide by the Demon Slayer rules . His expectations for his fellow Demon Slayers are almost unrealistic, scolding Tengen Uzui for sustaining serious injuries against the "weaker" Upper Rank and telling him to "fight to the death" when Tengen insists on retreating. Tengen's retirement also highlights Obanai's devotion to the future of the Demon Slayer Corps, often at the expense of others, such as when he ties up lower-ranked Demon Slayers and uses them as obstacles during Hashira training for relatively insignificant reasons. He also views the new Demon Slayer recruits as weak and unable to improve, expressing surprise when Tengen informs him that Tanjiro Kamado survived. Despite his ruthless personality, there are two people he cares about, Mitsuri and Kagaya