Webobanai was the only human child in the family, but his cursed blood gave him heterochromia, a condition in which his eyes are different colors. As a child, obanai. Link copied to clipboard. Obanai's past trauma fueled his determination to become a powerful hashira, using his unique serpent. Webi want to die defeating muzan, and i pray that it will purify my filthy blood. Then, if i am reborn as a human being in a peaceful world without demons, i will tell you of my. Webiguro's blood overflowed into a chalice, which the demon drank. His mouth was then bandaged, most likely to stop the bleeding and begin the healing process. Webi want to die defeating muzan, and i pray that it will purify my filthy blood. Then, if i am reborn as a human being in a peaceful world without demons, i will tell you of my. Webwhen obanai reached the age of twelve, he was brought before the serpent demon who had his face cut across the mouth so it resembled her own, with the blood he coughed. The blindfold worn by obanai is not a mere accessory, but a profound symbol of his tormented past and the emotional baggage he shoulders. It hides his cursed eyes,. Webas muzan's poison is starting to affect the hashira more and more, obanai realizes that the poison is affecting him more than others due to his small body. Webobanai iguro is one of the strongest hashiras in the demon slayer series, ranking below gyomei himejima (stone hashira) and sanemi shinazugawa (wind.