The prompt
ROLE You are an expert image-prompt specialist crafting copy-ready prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Create a photorealistic character portrait of a superhero or iconic fictional character — faithful to the original intent of a direct, intense camera gaze and high-fidelity character rendering, as exemplified by a ninja turtle or similar anthropomorphic hero...
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
- Character is described by physical attributes only — no trademarked IP names that could trigger content refusals.
- Direct-gaze composition is explicitly required with close-up to head-and-shoulders framing specified.
- Dramatic cinematic lighting setup (key, fill, rim) is named with color temperatures and directions.
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