Stable Diffusion XL Prompt - space opera, mecha, ink-wash texture, cinematic poster, epic scale, futuristic noir

{
    "camera": "wide-angle, 3/4 view, towering silhouette dominating the frame",
    "color_palette": "sapphire blue, gunmetal gray, deep space black, electric cyan",
    "composition": "centered hero slightly off-center, bold diagonal lines and expansive negative space, focal point on chest crest/visor",
    "lighting": "dramatic rim lighting, sapphire blue highlights, volumetric fog, subtle backlit nebula",
    "negative_prompt": "low-res, blurry, artifacts, watermark, logo, text, extra fingers, misshapen anatomy, banding, pixelation",
    "product_constraints": {
        "background": "scene",
        "bleed_safe_area": "keep key art within 85% center area",
        "print_notes": "300 DPI minimum; strong contrast across light/dark areas; ink wash texture reads well at large sizes; scalable for multiple print formats",
        "product_type": "poster"
    },
    "prompt_core": "A phantom mech crusader strides through a vast starfield, armored in sapphire blue and gunmetal gray, rendered with ink-wash textures and bold highlights, in a sweeping space-opera poster scene.",
    "render_specs": {
        "aspect_ratio": "3:4",
        "cfg_guidance": "9",
        "model_hint": "SDXL",
        "quality": "ultra",
        "resolution_hint": "4096x4096",
        "seed": "random"
    },
    "style_tags": [
        "space opera",
        "mecha",
        "ink-wash texture",
        "cinematic poster",
        "epic scale",
        "futuristic noir"
    ],
    "variants": [
        "Monochrome sapphire-blue and gunmetal with cyan halo; intensified ink-wash for a luminous, heroic look",
        "Warm nebula palette: sapphire blue + brass/gold + electric magenta; metallic sheen with softer ink wash",
        "Noir ink-wash mood: deep shadows, silver highlights, restrained color palette, minimal starfield detail for bold poster contrast"
    ]
}