Isekai Dinosaur Transformation 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.

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: "I was reincarnated as a dinosaur in another world".
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.

How to use this prompt

Copy the prompt above and paste it into an AI image generator such as Google Gemini (Nano Banana) or a similar tool. Replace any bracketed placeholders with your own details, then generate and refine the result.

This prompt is designed to work with a reference photo. Upload your own photo (only one you have the right to use) together with the prompt.

Prompt collection credit: YouMind Awesome Nano Banana Pro Prompts (CC BY 4.0). Credit to the original prompt creators. To request removal of a prompt or image, please contact us.