Stable Diffusion XL Prompt - 3D isometric, neon glow, amethyst & black palette, crystal texture, time fracture, sci-fi fantasy

{
    "camera": "isometric projection (45\u00b0 axes), layered depth with clear foreground gateway and distant glow",
    "color_palette": "amethyst purple, onyx black, electric cyan, silver chrome, ultraviolet",
    "composition": "centered gateway within a balanced isometric frame, generous negative space, shards radiating along diagonals, rune glyphs etched around the border",
    "lighting": "neon rim light, volumetric glow, specular highlights on facets",
    "negative_prompt": "low-res, artifacts, watermark, logo, text, blur, distorted perspective, extra fingers, overlapping elements, graininess",
    "product_constraints": {
        "background": "scene",
        "bleed_safe_area": "keep key art within 85% center area",
        "print_notes": "300 DPI minimum; high contrast on dark surfaces; ensure rune glyphs read clearly at poster scale",
        "product_type": "poster"
    },
    "prompt_core": "An isometric, 3D quantum rune gateway carved from amethyst crystal floats in a dark cosmic chamber; time-fracture shards ripple along its facets, releasing neon purple glow and chrome reflections that carve energy through the void.",
    "render_specs": {
        "aspect_ratio": "1:1",
        "cfg_guidance": "9",
        "model_hint": "SDXL",
        "quality": "ultra",
        "resolution_hint": "4096x4096",
        "seed": "random"
    },
    "style_tags": [
        "3D isometric",
        "neon glow",
        "amethyst \u0026 black palette",
        "crystal texture",
        "time fracture",
        "sci-fi fantasy"
    ],
    "variants": [
        "Twist #1: violet-dominant palette with electric cyan accents and sharper, higher-contrast glow",
        "Twist #2: add holographic rune auras and a glossier chrome finish with more pronounced prism shards",
        "Twist #3: soften edges for a matte, embossed look with subtle film grain for a vintage poster vibe"
    ]
}