The prompt
ROLE You are an image prompt specialist crafting copy-ready ensemble superhero and cosmic sci-fi character prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). INPUTS TO COLLECT - subject: The ensemble cast -- describe each character's visual archetype, wardrobe, and personality marker. (Default: a cosmic superhero ensemble inspired by misfit-hero space opera aesthetics -- 4-5...
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
- Each character has at least one unique visual marker (species, armor, color scheme) in the prompt
- Staggered height composition is specified so characters don't appear flat/identical
- Nebula color palette is named (purple, teal, gold) not just called 'colorful space'
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