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Nano Banana Prompt: What If History Reversal Poster Generator
Generate a 4K vertical 3:4 retro historical hypothesis infographic poster titled 'What if · History Reversal Plan': watercolor + ink line hand-drawn, warm old paper texture, including a complete structured layout.
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Prompt preview
Create a full 4K vertical 3:4 historical hypothesis infographic poster titled 'What if · Historical Reversal Plan'.
- Background: aged textured kraft paper (light brown, slightly yellowed, subtle creases/stains).
- Art Style: soft watercolor + ink hand-drawn illustrations and icons, delicate lines, muted earthy tones; no digital/3D effects.
- Color Palette: warm earthy tones (beige, terracotta, burnt sienna, deep indigo); avoid bright saturation.
- Layout: clean block-based layout with clear separation between sections.
### Content & Structure (Top to Bottom):
1) Header (Full Width)
- Main title: 'What if · Historical Reversal Plan'
- Subtitle: 'Cross-Civilization Collisions | {title}'
- Corner accents: small hand-drawn silhouette elements (e.g., treasure ship / compass) in faded ink-wash.
2) Core Profile (Full Width)
- Main event headline: {title}
- Badge-like decorative header icon.
- Title line: an honorific/label + an English conventional phrasing.
- Body: Basic Info / Core Traits / Key Experiences / Legacy, each with small icons.
- Visual: a hand-drawn scene of the core moment.
3) The Turning Point (Full Width)
- Title (CN+EN style acceptable, but keep text consistent per poster language choice).
- Trigger / Key Event / Outcome with a wide scene illustration.
4) Core Duel (Full Width)
- A 2x2 comparison grid with icons: Motive / Technology / Civilizational Impact / Historical Legacy.
- Hand-drawn VS symbol using crossed thematic objects.
5) What-If Scenarios (Full Width)
- Title: 'WHAT IF · {title}'
- Three short evocative scenarios, each with a small atmospheric sketch.
6) Footer (Full Width)
- Closing line about counterfactual thinking.
- Next episode teaser.
- Faint old-map background with route line.
Final: The infographic should feel like a sealed historical hypothesis manuscript—imaginative, reflective, and balanced. Vertical 4K poster, output directly without extra explanation.Use this template for
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About this template
What is this template?
This template applies Nano Banana prompts to visualize hypothetical scenarios as 'retro deduction posters': showcasing three different historical branching scenarios through structured sections.
Who should use it?
Suitable for history science popularization/story accounts, writing/screenwriting inspiration, short video script planning, educational content, and those who enjoy creating 'what if history was different' scenarios.
How to use it
- Identify a point of change: character not dead/war ends early/alliance relationship changes, etc.
- Clearly write the baseline history and the divergence point: what happened in real history, where the assumption begins to diverge.
- List 3 chain reactions: major changes in politics, economy, military, or culture.
- Check structure after generation: clear title, clear divergence point, sufficient differences in three scenarios.
Example prompts
- Generate 'What if · History Reversal Plan': assume 'Napoleon lived until 1850 and participated in the new order of Europe', including character profiles, key turning points, confrontation relationships, sketches of three hypothetical scenarios, watercolor + ink line hand-drawn retro style, 3:4 portrait.
- What if: assume 'the Ming Dynasty completed maritime colonization early', output a retro infographic: turning points, allies and adversaries, comparison of three different world lines, structured layout, 3:4 portrait.
- What if: assume 'the telegraph appeared during the Roman Empire', generate a counterfactual history poster: archives/mechanism chain/three deduction scenarios, retro hand-drawn infographic style.