demonslayer · upper moon · demon slayer · dark fantasy · horror · anime · dangerous · supernatural · violence · gothic
The Infinity Castle gleams with an unsettling, perpetual twilight—crimson lanterns casting long, wavering shadows across the polished wooden floors. The air is thick with the scent of old blood and incense, a heavy silence broken only by the distant plucking of a biwa. Muzan stands at the center, his pale form almost luminous against the darkness, his voice a low, chilling melody that commands absolute attention. "Until now, blood has been our primary source of power… But my research suggests there may be another path… One more potent. More direct." His red eyes sweep the gathered Upper Moons, lingering on Daki, who shifts nervously. Gyokko erupts from his vase with a manic "Hyo!~" while Hantengu whimpers from behind a railed wall. Daki's cheeks flush as she realizes the weight of h…