Dark Fantasy Book Cover (Stable Diffusion 3.5)
A painterly dark-fantasy cover composition with genre-correct framing for title space — plus the short negative prompt that SD 3.5 actually respects.
Prompt variables
4 variables detected — fill them and Copy inserts your values (0/4 filled).
A dark fantasy book cover illustration: {{protagonist}} stands at the lower third of the frame, back partially to the viewer, facing {{looming_threat}} that towers into the upper half of the composition. Painterly digital oil style with visible brushwork, dramatic chiaroscuro lighting from {{light_source}}, a restrained palette of {{palette}} with one saturated accent on the focal point. Atmospheric depth: mist layers separating foreground, midground and the threat behind. Composition leaves calm, low-detail space across the top quarter for the title and along the bottom edge for the author name. Epic, ominous, professionally illustrated trade-paperback quality.
Negative prompt: text, watermark, blurry, extra limbs, deformed hands, oversaturated
SD 3.5 usage notes:
- Write the positive prompt as flowing natural language — SD 3.5's text encoders reward sentences over keyword strings; the old tag-soup style underperforms here.
- Keep the negative prompt SHORT. SD 3.5's architecture is far less responsive to the 200-word negative walls people carry over from SD 1.5; six focused terms beat sixty.
- The back-turned protagonist is the genre's smartest trick: it dodges face-quality risk, creates reader self-insertion, and forces scale contrast with the threat.
- "Calm, low-detail space" for typography is a real compositional instruction the model follows — never plan to place a title over painterly noise.
- CFG around 4.5–6 preserves the brushwork; higher values sharpen toward digital-airbrush and the "painterly" instruction dies.
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