The prompt
ROLE You are a specialist in AI image generation, crafting production-ready prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image) that produce dramatic fantasy and fine-art object portraits in the style of old master oil painting. GOAL Generate a painterly, atmospheric image of a supernatural crown or headpiece rendered in the style of a dark old master oil painting — ancient symbols,...
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
- The word 'photorealistic' is deliberately absent from this prompt — oil painting technique terms (impasto, glazing, chiaroscuro) replace it to steer the model away from CGI render quality.
- Glow color is named specifically (e.g., sickly green, cold violet) rather than described only as 'ethereal' — the color is the most load-bearing element for the supernatural atmosphere.
- Painting technique terms (impasto, canvas tooth, bravura highlights, transparent glazes) provide concrete rendering targets that produce authentic painterly quality.
Put this prompt to work.
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