ozanimevine

  Kokushibō is a   demon   affiliated with the   Twelve Kizuki ,     holding the highest position, Upper Moon Rank One Nearly five centuries ago during the  Sengoku Era , Kokushibo was a human and the older twin brother of  Yoriichi , who was the strongest Demon Slayer that ever existed As the highest ranking member of the  Twelve Kizuki , Kokushibo is an extraordinarily powerful demon, second only to the Demon King  Muzan . He has battled countless Demon Slayers and has amassed vast experience and knowledge over his 500-year long life. His abilities have been refined to the highest level as he is not only a master of  Total Concentration Breathing , but also a  marked  individual who has gained access to the  Transparent World , also he is the only Demon that possesses the highest concentration of Muzan's blood in the organization His overwhelming power is first displayed when he slashes off  Akaza 's arm before he could even react, later it was stated by  Doma  that Akaza wou