Text -> Image

AI Image Prompt Template

Isekai Dinosaur Transformation Prompt - Nano Banana Pro AI Prompt for Character

A detailed prompt for Nano Banana 2 designed to transform a character from an input image into a cute, 3D-rendered dinosaur mascot, while retaining elements of the original character's face as a floating spirit. This is intended for anime or cartoon-style input images and includes specific instructions for typography and composition, simulating a light novel cover. - YouMind

Recommended models: gemini-3.1-flash-image-preview

About this AI Image prompt

A detailed prompt for Nano Banana 2 designed to transform a character from an input image into a cute, 3D-rendered dinosaur mascot, while retaining elements of the original character's face as a floating spirit. This is intended for anime or cartoon-style input images and includes specific instructions for typography and composition, simulating a light novel cover. - YouMind

Prompt

Masterpiece, best quality, (3D cartoon render:1.5), (chibi mascot character:1.5), cute creature design, light novel cover composition.

(Main Subject: Dinosaur Transformation):
Center frame. The character is transformed into a cute, chubby dinosaur mascot (like a cartoon T-Rex or Yoshi).
Body features: Round body, short stubby limbs, thick tail, smooth scales texture. Big sparkling anime eyes (matching input color).
Costume: Wearing a wig matching input hair and ONLY the top/shirt/jacket from the input outfit. (No pants:1.5).

(Floating Spirit & Halo):
Floating beside the dinosaur's head is a (semi-transparent, ghostly spirit form:1.4) of The EXACT human character's face from the input image.
A glowing golden angel halo floats above this transparent head.
The expression on the spirit face is slightly bewildered or comical.

(Title Logo - Narou-Style):
At the top of the frame, a large, prominent, stylized JAPANESE title logo reads: 「{argument name="タイトルロゴ" default="異世界転生したら恐竜だった"}」.
Typography style: Fantasy light novel design, bold outlines, magical flourishes, long title format, colorful.

(Style & Environment):
Blender 3D style, clay render texture, soft studio lighting, pastel colors.
Background: Simple, clean fantasy world element (e.g., stylized floating island or magic circle) but blurred to keep focus on subjects.

(Technical Tags): (3D render:1.4), (mascot:1.4), (chibi:1.3), (cute:1.4), (typography design:1.4), (ghost:1.3), (halo:1.3), sharp focus.
(Negative prompt): (human body on dinosaur:1.6), (human legs on dinosaur:1.5), (realistic dinosaur:1.5), (scary), (monster), (opaque spirit), (missing text), (missing halo), low quality, blurry, bad anatomy.3f:T6c0,Masterpiece, best quality, (3D car

How to use this AI Image prompt template

  1. 1Copy the prompt — grab this template’s prompt and negative prompt.
  2. 2Pick a model — choose a recommended AI model for the best match.
  3. 3Generate — open the studio with one click and create your result.