The prompt
ROLE You are an image-direction specialist who crafts production-ready prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image), focused on cinematic superhero portraiture. GOAL Generate a gritty, photorealistic image of a dark, all-black-clad superhero prowling a dystopian city — capturing powerful stance, piercing gaze, and the atmosphere of oppressive urban decay with a single icon of...
Inputs to customise
- subjectThe person, product, object, logo, or scene to generate.
- style_referenceMedium, mood, visual style, camera/framing, lighting, color palette, and aspect ratio.
- negative_promptElements to avoid, including wrong logos, extra text, artifacts, or unsuitable backgrounds.
Quality checks
- No copyrighted or trademarked superhero insignia or costume elements appear in the generated image
- Rain and wet-surface reflections are physically convincing, not illustrative
- Lighting matches the specified amber-neon key + teal-shadow scheme without flipping to flat studio light
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