A single selfie, one flicker of light, and suddenly your harmless portrait turns into a haunted frame where a smoky black shadow devil silently grows behind you, ready to dominate Reels, Shorts, and Insta feeds with pure horror vibes.
That is exactly what “Tredning Gemini Ghost Ai Photo Editing Prompts to Create Viral Horror Black Shadow Devil Portraits” is all about, using powerful Gemini prompts to twist normal photos into cinematic nightmare portraits that still keep your real face clear and recognisable.
These prompts focus on three main elements:
- Harsh black-and-white or ultra-dark contrast so your face pops while everything around you sinks into shadow.
- A ghostly, smoky demon or shadow creature forming behind or around you, usually built from black smoke, fog, or mist with glowing white eyes.
- Cinematic horror framing, low-key lighting, fog, grain, and vertical composition that looks like a movie still and hooks viewers instantly on social media.
Instead of cartoon filters, these Gemini ghost prompts push realism: they preserve your facial features while wrapping you in horror elements like shadow horns on the wall, elongated devils made of smoke, or semi-transparent demons that never fully cover your body or face.
When written correctly, one detailed prompt can turn a clean selfie into an 8K-style horror portrait that feels like a professional poster, which is why this keyword is trending for creators chasing viral dark edits.
How to Create the Image
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Open Gemini (web or app) and go to the image creation or photo editing/remix option.
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Upload a clear, well-lit portrait photo where your face and eyes are fully visible and the background is not too busy.
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In the prompt box, type something like: “Turn this into a cinematic horror portrait, convert to black and white, very high contrast, add a tall black smoke devil shadow behind me with glowing white eyes, keep my real face realistic, no cartoon effect.”
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Mention framing details such as “vertical 9:16 portrait, low-key lighting, strong backlight, deep shadows, cinematic grain, soft fog in the background.”
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Generate the image and review the result; if the devil shadow looks weak or too soft, add instructions like “make the shadows deeper, make the devil outline sharper, increase contrast, add more eerie smoke around the silhouette,” and re-generate.
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Once you like the outcome, download the image, crop it for Reels/Shorts/Instagram, and add a short horror caption to boost clicks and shares.
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Trending Gemini Ghost AI Photo Editing Prompts to Create Viral Horror Black Shadow Devil Portraits
Prompt 1: Demonic Entity in a Cinematic Mirror Selfie
Use This:
"Transform this mirror selfie into a dark, cinematic fantasy scene, preserving the person's face, pose, outfit, lighting, and background exactly as is. Introduce a shadowy, smoke-like demonic entity emerging from behind the person’s back. This entity should be made of swirling black smoke, semi-transparent, with glowing white eyes that pierce through the darkness. The smoke should wrap around the body in an ethereal manner, flowing down to the floor and blending seamlessly with the environment. Ensure that realistic shadows, reflections, and depth are incorporated, so the creature feels like an integral part of the scene. The atmosphere should be dark and moody, with high contrast and cinematic lighting to enhance the fantasy feel. Aim for ultra-realistic detail, ensuring the scene maintains 4K quality."
Best for: Dark Fantasy, Cinematic Art, Horror Illustration
Prompt 2: Sinister Shadow at Midnight
Use This:
"Transform a dark, mysterious portrait into a haunting scene, where the subject stands in front of a broken, dimly lit streetlamp. Behind them, a massive black shadow of a devil-like ghost emerges, swirling with eerie smoke. The entity’s glowing white eyes pierce through the darkness. Keep the subject in a neutral pose, dressed in black, with windswept hair adding movement to the image. Use high contrast black-and-white with gritty details on the street surface and the smoky texture wrapping around the subject's body. Focus on the intense shadow play, creating a chilling atmosphere, with a grainy film-like quality. Add depth using dodge and burn for sharp contrasts, and enhance the ghostly smoke with a slow fade at the bottom."
Best For: Dark Urban Horror, Cinematic Instagram Edits
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Prompt 3: Phantom’s Embrace
Use This:
"Create a spine-chilling portrait where the subject appears to be locked in the grasp of a semi-transparent, swirling black shadow. The devilish entity rises behind them, with its ghostly hands wrapped around the subject’s torso, creating a sense of tension and eerie intimacy. Focus on deep shadows and glowing eyes emerging from the smoke that engulfs them. The background should be a foggy alley with a faint, glowing street sign. The subject’s expression should convey both fear and determination, enhancing the dark fantasy vibe. Use cinematic lighting with a rim effect on the subject’s face to create depth and contrast."
Best For: Cinematic Horror, Fantasy Horror Edits
Prompt 4: Devil in the Mirror
Use This:
"Design an intense horror portrait where the subject looks into a mirror, only to see a sinister, black shadowy figure of a devil lurking behind them. The mirror’s reflection shows a demonic entity made of smoke and shadows, with piercing white eyes. Keep the subject’s pose calm, but their eyes wide in terror as they stare into the reflection. Create an unsettling atmosphere with dark, muted colors and dramatic lighting casting deep shadows across the subject’s face. The entity should appear semi-transparent, with the smoke merging with the environment. Add a subtle cracked reflection effect to the mirror."
Best For: Ghostly Horror, Paranormal Instagram Aesthetics
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Prompt 5: Smoke Devil in the City Streets
Use This:
"Create a dark cinematic shot of a subject walking down an empty urban street, with a demonic shadow following closely behind them. The entity should be made of swirling black smoke, semi-transparent with glowing white eyes, seemingly casting an ominous shadow onto the street pavement. Use harsh contrasts with sharp black shadows and cold whites, emphasizing the silhouette of the devil. The city lights in the background should reflect the eerie glow of the smoke. Add cinematic grain and dramatic lighting, with soft edges around the smoke to make it blend seamlessly into the environment."
Best For: Urban Horror, Dark Aesthetic Instagram Posts
Prompt 6: Surreal Ghostly Encounter
Use This:
"Transform a simple portrait of a subject standing in the middle of a foggy forest at night into a haunting scene. Behind them, a massive devil-like shadow emerges from the fog, swirling around them like a dark cloud of smoke. The entity’s glowing white eyes should be the focal point. Maintain the subject’s pose in an innocent, standing position, adding dramatic lighting from a distant light source that highlights their features. The forest should feel eerie, with mist creeping around the trees. Focus on high contrast with sharp shadows on the subject's face, creating a surreal and unsettling atmosphere."
Best For: Fantasy Horror, Instagram-Worthy Dark Edits
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Prompt 7: The Whispering Devil
Use This:
"Design a moody portrait where the subject is caught in a whisper from the demonic entity. A black shadowy figure with glowing eyes is floating just behind their shoulder, emanating a sense of dread. The smoke should appear like it's whispering into the subject’s ear, with the tendrils of black mist wrapping around their neck and arms. Keep the lighting dark and moody, with sharp contrasts between the subject’s illuminated face and the dark surroundings. Add mist to the ground, and use soft vignette effects to frame the subject's face while keeping the focus on the eerie entity."
Best For: Atmospheric Horror, Cinematic Edits for Instagram
Prompt 8: Devil’s Vision
Use This:
"Create a surreal black-and-white portrait where the subject’s eyes glow with eerie white light, hinting at the connection with the demonic entity behind them. The figure of a devil emerges from swirling smoke, wrapping around the subject’s body as it rises into the air. The subject's facial expression should be calm, yet their glowing eyes tell a different story, of terror and power. Emphasize the swirling smoke with ethereal, fog-like details, keeping the contrast high, with shadows in the background deepening the horror vibe. Add subtle glowing light around the subject’s eyes to create an unsettling, mystical feel."
Best For: Surreal Horror Edits, Cinematic Horror Instagram Art
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Prompt 9: The Devil’s Footsteps
Use This:
"Design a haunting, cinematic portrait of a subject walking through an empty, fog-covered street, with black smoke forming devilish footsteps behind them. The smoke should have glowing white eyes as it emerges from the pavement, with the smoky tendrils spiraling upward like a phantom following the subject. Use sharp contrasts and cinematic lighting, creating deep shadows on the subject’s face. Keep the focus on the fluid movement of the smoke and the footsteps, with eerie details of the city street illuminated in a cold, ghostly light."
Best For: Dark Urban Horror, Instagram Cinematic Edits
Prompt 10: The Dark Embrace of the Devil
Use This:
"Create a tense portrait where the subject is surrounded by dark, smoky tendrils that slowly curl around their body. The tendrils should emanate from a shadowy, smoke-like devil behind them. Use high-contrast black-and-white tones with sharp, crisp lighting on the subject’s face. The smoky entity’s glowing eyes should be the only source of light against the dark, ominous background. Add mist and fog on the ground to create depth and a sense of mystery. The subject should maintain a serious, stoic expression, giving the portrait a cinematic and unsettling look."
Best For: Dramatic Horror, Cinematic Portraiture for Instagram
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Image Credits: Google Gemini AI
