Webobanai mentions that the blade turns red when the user is โ€œpushing himself to the brink of deathโ€. Secondly, if a user creates friction between their weapons it can. Webas the name suggests, his blade is crimson red, as it was made out of his flesh and blood using blood demon art.

Webone of the more unique sword designs belonged to obanai iguro. Webexpanding on their connection with the sun and the coloring system, the blade of a nichirin sword can become bright red due to a rise in temperature. Webobanai iguro, the serpent hashira, is one of them. Although the serpent breathing technique branches from water breathing, it is a more powerful weapon,. Webturning his nichirin sword bright red proved to be extremely effective against muzan, allowing his attacks to hamper his immediate regeneration and giving the other demon. Webthe young mist hashira used up the last of his energy to stab his weapon into the upper one kizuki. He turned the blade red and burned the area, making it so.

Webturning his nichirin sword bright red proved to be extremely effective against muzan, allowing his attacks to hamper his immediate regeneration and giving the other demon. Webthe young mist hashira used up the last of his energy to stab his weapon into the upper one kizuki. He turned the blade red and burned the area, making it so. Webthe lavender nichirin blade belongs to obanai iguro, and it symbolizes snakes. His movements require incredibly high levels of flexibility and power. Webwhen obanai iguro, a demon slayer, was reminded of how muichiro tokito had turned his own nichirin blade red, every muscle in obanaiโ€™s body tensed as he fiercely gripped.

Webwhen obanai iguro, a demon slayer, was reminded of how muichiro tokito had turned his own nichirin blade red, every muscle in obanaiโ€™s body tensed as he fiercely gripped.