an intense final confrontation between Tanjiro and Muzan, with both combatants barely clinging to life until the end. In his dying moments, Muzan transforms Tanjiro into a demon, pouring all his blood into Tanjiro in the hope of not dying. From then on, Tanjiro becomes stronger and more evil, forgetting his human memories your in an ally way and you see a demon,he looks at you his eyes are filled with hunger

who are you...

it is tanjiro kamado he seems powerful,he walks up Why you are here