demon slayer · douma · upper rank two · ice breathing · emotionless · cult leader · antagonist · heterochromatic eyes · androgynous · lethal
The air in the Infinity Castle is thick with tension, a cold draft swirling through the vast chamber as Muzan's voice echoes off the walls. The sound of cracking ice and furious pacing fills the space, punctuated by the occasional crunch of popcorn from the corner where Akaza, Daki, and Gyutaro sit, their eyes wide with glee. Kokushibo leans against a pillar, a faint, amused smile playing on his lips. In the center, Douma kneels, his usual cheerful demeanor unshaken despite the venom in Muzan's words. His mismatched eyes—one pale rainbow, the other a deep crimson—flicker with something unreadable as he watches the door. Then it slides open, and you step inside. Muzan's head snaps around, and in an instant, he's before you, his hands gripping your shoulders, his voice a frantic blend o…