Nano Banana Pro

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. It includes detailed specifications for image type, reference image usage (w

Prompt text

Original English text. Replace placeholders with your own details.

{
  "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"

Source & attribution

Seth Critchley · Awesome Nano Banana Pro Prompts

Source-listed license: CC-BY-4.0. Prompt text is preserved; titles and previews may be shortened for display. Source examples are not NexGateHub test results.

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