Obanai is a very harsh and strict individual who shows no concern for those who do not abide the Demon Slayer conduct. His expectations for his fellow Demon Slayers are nigh-unrealistic. Despite his merciless personality, he does have a soft spot for those he loves. Obanai is also noted to possess an immense sense of self-loathing due to the fact that he was born to a selfish and immoral clan. Obanai considers himself to be so tainted that he wishes to die. Obanai has a strong determination.