Stable Diffusion XL Prompt - fantasy RPG manual art, architectural fantasy, gritty texture, olive-and-black palette, eroded sandstone, epic silhouette

{
    "camera": "centered, slightly low-angle, wide shot of the dome with surrounding ruins",
    "color_palette": "olive green, deep black, sandstone beige, moss green, muted gold",
    "composition": "dominant centered dome, symmetrical radiating arches, generous negative space, cinematic vignette",
    "lighting": "moonlit rim lighting in olive hues, volumetric fog, soft internal glow from glyphs",
    "negative_prompt": "low-res, blurry, watermark, logo, text, misaligned elements, extra limbs",
    "product_constraints": {
        "background": "scene",
        "bleed_safe_area": "keep key art within 85% center area",
        "print_notes": "print-ready at 300 DPI; ensure strong contrast on light surfaces; crisp edge details on sandstone textures",
        "product_type": "poster"
    },
    "prompt_core": "A colossal AI-designed cathedral dome looms over a ruined sandstone city, rendered in olive and black, its surface eroded to reveal layered textures, rune-lined seams and a faint astral glow, in a richly detailed fantasy RPG manual-art style.",
    "render_specs": {
        "aspect_ratio": "1:1",
        "cfg_guidance": "12",
        "model_hint": "SDXL",
        "quality": "ultra",
        "resolution_hint": "4096x4096",
        "seed": "random"
    },
    "style_tags": [
        "fantasy RPG manual art",
        "architectural fantasy",
        "gritty texture",
        "olive-and-black palette",
        "eroded sandstone",
        "epic silhouette"
    ],
    "variants": [
        "Olive-monochrome version with emphasis on silhouette and carved textures",
        "Noir fantasy variant with high-contrast black-and-olive palette and simplified shapes",
        "Celestial dusk variant with faint aurora, gold accents, and ethereal glow in the glyphs"
    ]
}