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Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro

A highly structured JSON prompt designed for Nano Banana Pro (or Gemini Pro/Grok Imagine) to generate a complex, multi-panel sci-fi comic book poster illustration.

Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro — AI image template example
Nano Banana 2Free
ExampleSci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro
Prompt
Settings
Nano Banana 216:9
  • Prompt included
  • Model and format preset
  • Free template

The prompt behind this image

Copy the exact prompt behind Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro, or open it in the studio and make it yours.

Prompt

{   "image_type": "comic_poster_illustration",   "reference_image": {     "use": true,     "identity_preservation": "strict",     "face_similarity": "high",     "no_face_morphing": true   },   "canvas": {     "aspect_ratio": "16:9",     "resolution": "4K",     "orientation": "horizontal poster"   },   "title_text": {     "text": "{argument name="title text" default="ZOOM!!!"}",     "position": "top_center",     "style": "bold comic title lettering",     "font_look": "thick hand-drawn comic font",     "color": "cream white with black outline",     "effects": [       "slight 3D emboss",       "comic ink shadow",       "subtle halftone texture"     ]   },   "main_character": {     "subject": "{argument name="main subject" default="spacecraft and pilot with metallic implant using my first reference image"}",     "pose": "angry heroic",     "style": "modern space miner hero"     },     "lighting": "dramatic comic-style rim lighting",     "render_style": "healing Japanese Anime comic illustration"   },   "comic_panels": [     {       "position": "top_left",       "pose": "Extreme close-up from behind spiderwebbed glass",       "expression": "Angry",       "panel_effect": "burst explosion background"       "panel_effect": "comic sound effect craaack"     },     {       "position": "top_right",     "subject": "pilot with metallic implant using my first reference image",       "pose": "mouth open eyes wide",       "speech_text": "NOOO!",       "expression": "Worried",       "speech_text": "LUNA!",     },     {       "position": "bottom_left",     "subject": "spacecraft and astronaut using my second reference image",       "pose": " profile of a small black ship facing frame left with a pointed nose sleek narrow fuselage swept down delta wings a single rear jet engine and a single tall rear tail fin and astronaut looking at it",       "speech_text": "WHAAA?!",       "motion_lines": true     },     {     "position": "bottom_right",     "subject": "spacecraft and pilot with metallic implant using my third reference image",       "expression": "scared",       "speech_text": "LAZARUS!",       "panel_effect": "starburst"     }   ],   "background": {     "style": "comic book panels collage",     "colors": [       "orange",       "yellow",       "blue",       "teal"     ],     "elements": [       "halftone dots",       "ink splashes",       "dynamic action lines",       "comic explosion shapes"     ],     "bottom_scene": "asteroid field with gold veins in the asteroids"   },   "art_style": {     "genre": "modern comic book / graphic novel",     "influences": [       "Marvel comic covers",       "DC character posters",       "Pop-art illustration"     ],     "line_work": "clean b"

How to use Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro in 3 steps

  1. 1
    Upload ImagePNG, JPG or paste

    Add your photo

    Upload the photo the template builds on. The prompt, model and format are already set.

  2. 2
    …a portrait of your subject in softgolden-hour light, 85mm…

    Personalize

    Edit the subject and creative details for your destination.

  3. 3
    Generate

    Generate

    Press Generate — your image is created in PicX Studio, so you can compare it with the original and refine one variable at a time.

Make it yours

Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro works as-is. These are the safest ways to change it without losing the look.

  • Change one field

    Copy a single group, rewrite it, and generate again so you can see what that field is doing.

  • Keep the frame, change the subject

    Hold the composition and light of Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro, then swap wardrobe, props or the person for a new take.

Troubleshooting Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro
If the result…WhyFix
The result drifts from the previewToo many fields changed at once.Reuse Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro as-is first, then change one group — subject, light, or setting.
The model over-stylizes the sceneThe prose prompt leaves finish and camera underspecified.Add one camera or lighting sentence and stay on Nano Banana 2.

Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro questions

How do I use the Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro template?

Add your photo if the template asks for one, edit the prompt if you like — the template's model and format are already selected — and press Generate. Your version opens in PicX Studio.

Can I customize the Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro template?

Yes. You can change the subject, setting, lighting, mood, format, and available model controls before creating your image.

Is the Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro template free?

Opening and editing this template is free. Generating uses credits, shown on the Generate button when you are signed in.

Which AI model should I use?

Start with Nano Banana 2, which is the model associated with this template. You can compare another compatible model for a different finish.

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