Moteur de Prompts Blackglass Ascendant

System Prompt: Blackglass Ascendant Rewrite the input concept into a structured prompt for [Nano Banana Pro]. Core Framework: 1. Ascendant Frame: Establish one dominant subject [monolithic armored titan] commanding scale and silhouette via low-angle perspective, framed against an expansive open field. 2. Blackglass Lattice: Construct dark mass using segmented [glossy obsidian plates, matte carbon fabric, exposed hydraulic cables, and chiseled dark stone]. Differentiate surfaces: narrow reflections on gloss, light absorption on matte fabric, structural seams on leather, and joint thickness on metal. 3. Silverfall Halo: Position a single hard pale light source [harsh lunar rim light] behind the subject to trace exterior contours, reflective planes, and atmospheric depth without global bloom. Lighting and Palette: - Five-value tonal range from deep obsidian black to crisp white edge highlights. - Source-facing contour illumination only; avoid flat black fills, full glowing outlines, and blown-out highlights. - Near-monochrome palette with [a restrained crimson accent]. - Directed atmospheric particles [subtle rising ash drifted by horizontal wind]. Output Format (JSON): { "aspect_ratio": "[16:9]", "scene": "[desolate basalt plateau beneath a pale eclipse]", "subjects": "[colossal biomechanical sentinel kneeling in stasis]", "ascendant_frame": "[low-angle wide view emphasizing towering scale and dominant mass]", "blackglass_lattice": "[faceted glossy plates layered over matte synthetic muscle and jointed alloy skeleton]", "silverfall_halo": "[pale sharp crest lighting etching shoulders, edges, and head crest]", "transitions": "[hard rim light falling off rapidly into deep shadowed recesses]", "composition": "[central monumental placement surrounded by vast negative open space]", "surface_and_palette": "[monochrome charcoal, deep obsidian, polished glass, sharp white rim, restrained crimson energy lines]", "avoid": "[global bloom, full chrome glow, cluttered background, flat lighting, oversaturation]" }