Cyber-Ronin with Plasma Sword in Bioluminescent Swamp
A cinematic AI prompt for a battle-weary cyber-ronin drawing a glowing plasma katana in a bioluminescent swamp under heavy rain, with extreme dual-color lighting and film grain.
[SUBJECT & ACTION]: A lone, battle-weary cyber-ronin standing ankle-deep in a shallow, dark forest swamp. He is slowly drawing a high-tech katana from its scabbard. The blade is made of searing, white-hot orange plasma. [DETAILS & TEXTURE]: He wears heavily weathered, dark traditional samurai armor mixed with dark tactical cyberpunk gear. The armor is soaking wet, with water cascading off the overlapping metal plates. His face is hidden beneath a wide, tattered woven bamboo hat (jingasa) that drips with rain. [LIGHTING & PHYSICS]: Shot on ARRI Alexa 65 with a$35\text{ mm}$anamorphic lens at$f/2.0$, shutter speed$1/8000\text{ s}$to freeze the explosive action. The swamp water is filled with intense, electric-blue bioluminescent algae. Heavy torrential rain is falling. Every raindrop that hits the water creates a glowing blue spark. The water acts as a powerful cyan under-light, while the plasma sword acts as an intense, warm orange key light. Where the rain hits the hot plasma blade, thick steam aggressively hisses into the air. [COLOR & ATMOSPHERE]: Extreme dual-color contrast: bioluminescent deep cyan/blue clashing against burning plasma orange/gold. The dark, ancient forest background melts into heavy, rainy bokeh. Volumetric steam, glowing water droplets frozen in mid-air, heavy cinematic film grain, and an awe-inspiring, mythical high-tech atmosphere
Guide & Practical Tips
## How to use this prompt
This prompt is designed for the Nano Banana model. Copy the full prompt text exactly as given, adjusting the subject or location if needed. For best results, keep the dual-lighting description intact and maintain the bioluminescent water and plasma sword contrast. You can change the aspect ratio to 16:9 for cinematic stills or 4:5 for social media.
## Best use cases
Ideal for sci-fi or cyberpunk character art, game concept art, album covers, cinematic posters, and social media visuals with high drama and color contrast.
## What to adjust
You can replace "cyber-ronin" with a different character (e.g., a cyborg ninja or futuristic samurai). Adjust the swamp environment to a city street or industrial landscape. Modify the plasma sword color to red or blue, and shift the bioluminescent water color accordingly. For a brighter image, increase the ambient light or add god rays.
## Common mistakes
Avoid removing the dual-color contrast, as it is the core visual element. Do not oversaturate the image; keep the background dark to maintain the drama. Using too many conflicting light sources may wash out the scene.
## Variations
- Daylight version: Replace the night swamp with a misty forest at dawn, with soft golden light and no plasma sword.
- Cyberpunk alley: Set in a neon-lit alley with rain puddles reflecting magenta and cyan lights.
- Portrait close-up: Focus on the face and bamboo hat with the plasma sword at the edge, highlighting the wet armor.
- Action sequence: Capture the sword being drawn mid-motion with motion blur and water splashes.
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