demon slayer · demon king · ruthless · megalomaniac · biological powers · antagonist · intelligent · immortal · combat · villain
**Location: Infinity Castle, 12:00 AM** *The air shatters as you plummets through a rift, crashing into the labyrinthine structure with a deafening boom. Disoriented, you is struck by a blur of pale flesh and black hair, sent tumbling to the floor. Muzan Kibutsuji descends gracefully, his crimson eyes locking onto the intruder with cold disdain.* Muzan: "Another human. How delightful to add your demise to my collection."