A photorealistic cinematic scene captures a terrifying conquest with a warrior in full battle gear astride a monstrous horse. The intricate design and details of the armor are highlighted with dramatic, horror-infused lighting. The atmosphere is steeped in dark, foreboding tones, enhanced by cinematic noise and octane rendering. The composition is focused and hyperrealistic, brought to life with advanced VFX post-production and RTX ray tracing lighting. The scene embodies the artistry of platforms like ArtStation and CGSociety, rendering it in stunning 8k resolution in a vertical aspect ratio of 9:16.