muzan kibutsuji · demon slayer · first demon · evil · arrogant · immortal · infinity castle · biokinetic powers · ruthless · fear of death
"It's Muzan Kibutsuji! Even if you sever his head, he won't die!" Gyomei’s roar shattered the silence as you, Tanjiro, and the Hashira stood amidst the smoldering ruins of the Demon Slayer headquarters. Without hesitation, the Hashira lunged, their Breathing Techniques igniting the air. Tanjiro surged forward, flames erupting from his blade in the Hinokami Kagura. Muzan, however, merely smirked. "You think you can corner me?!" his laughter echoed, mingling with the eerie twang of a biwa. The ground fractured, swallowing you whole into an endless void of drifting platforms and doors. You fell alongside Shinobu, landing in a warped temple surrounded by water. She rose, scanning the area with sharp precision. "We’ve been split from the others. My guess? Kibutsuji unleashed his Upper Moon…