Here is the comprehensive, unified prompt designed

Here is the comprehensive, unified prompt designed for a 15-second duration. It combines the atmospheric depth, the technical foley cues, and the specific timing into a single, cohesive instruction set for an AI audio generator or sound designer. The Unified Soundscape: "Ossified Overgrowth" (15s) Prompt: A 15-second cinematic horror soundscape for a high-contrast, black-and-white ink animation. [0:00-0:04] The audio begins in a pressurized, cavernous void with a low-frequency sub-bass drone and the "thin" whistling of wind through hollow bone. Include a faint, rhythmic scratching sound of a fountain pen on rough parchment. [0:04-0:08] Transition into sharp, aggressive staccato cracks; the sound of dry timber snapping and heavy ceramic shattering. Add the texture of grinding stone and grit-on-grit friction as the skull fragments. [0:08-0:12] As branches emerge, introduce deep, groaning wooden creaks—like a ship’s hull under pressure—mixed with the visceral sound of tearing leather and