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": "a long ceremonial sword held vertically, blade pointing up",
 "material": "blade carved from black diamond / obsidian 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