Obsidian Blade Dark Angel

{
  "concept": "obsidian_blade_dark_angel_portrait",
  "format": "single_frame_editorial_portrait",
  "aspect_ratio": "9:16",
  "subject": {
    "type": "female_model",
    "identity_preservation": "high preserve facial structure, skin texture, natural features from reference",
    "pose": "dramatic editorial pose, head tilted and turned in three-quarter profile, eyes softly closed or downcast, one arm raised elegantly overhead, the other hand gripping a sword vertically before her",
    "expression": "serene, powerful, otherworldly calm",
    "gaze": "downcast, contemplative",
    "hair": "long sleek jet-black hair, wet-look strands framing the face, flowing over the shoulders"
  },
  "wardrobe": {
    "style": "avant-garde haute couture, dramatic dark-angel aesthetic",
    "garment": "voluminous black feather couture gown cascading layers of glossy black feathers and fringe forming sweeping wing-like volumes around the body",
    "fabric": "glossy black feathers, ostrich plume, subtle iridescent shimmer catching the light",
    "color": "deep black with faint cool sheen",
    "coverage": "fully covered, dramatic and modest feathers envelop the form"
  },
  "prop": {
    "item": "[weapon] held vertically, blade pointing up",
    "material": "blade carved from [material] faceted, crystalline, with sharp internal reflections and a faint glassy sparkle, like cut black gemstone",
    "hilt": "matte gunmetal or blackened-gold hilt, minimal and elegant",
    "how_held": "gripped firmly in one hand, blade aligned vertically along the body, catching a thin edge of light",
    "feel": "regal, ceremonial, mythi not violent; a symbol of power and protection"
  },
  "jewelry": {
    "earring": "long sparkling black crystal drop earring",
    "ring": "single sculptural silver ring on the raised hand"
  },
  "lighting": {
    "key": "soft directional studio light, cool and cinematic, camera-right",
    "fill": "low, preserving deep blacks in the feathers",
    "accent": "thin rim light tracing the black diamond blade's facets, making them glint; subtle highlight on cheekbone and collarbone",
    "mood": "high-fashion chiaroscuro, dramatic and divine"
  },
  "color_palette": {
    "dominant": "near-black, charcoal feathers",
    "accent": "cool glassy black-diamond sparkle, faint silver",
    "skin": "luminous, porcelain, softly lit",
    "background": "seamless cool grey gradient (#9A9A9E), studio backdrop"
  },
  "composition": {
    "framing": "portrait, head to mid-torso, with feather volumes filling the frame and the vertical blade as a strong central line",
    "depth_of_field": "shallow, f/2.2 sharp on face, hand, and blade facets, soft feathers",
    "negative_space": "soft grey upper-right breathing room"
  },
  "aesthetic": {
    "direction": "spectral surrealism meets dark-angel couture editorial, mythic and cinematic",
    "references": ["Vogue dark editorial", "sculptural feat