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The Leviathan's Throat: Underwater Megastructure Descent — AI Video Prompt
An extremely detailed, cinematic prompt for Seedance 2.0 describing a diver's terrifying descent through a flooded subterranean megastructure, pursued by a colossal, eyeless leviathan, culminating in the diver firing a harpoon and bursting through the surface into a vast underground ocean. - AIPinMaker
Prompt
A flooded subterranean megastructure, ancient stone corridors half-submerged in black water, bioluminescent algae pulsing along the walls like a heartbeat. A masked diver in scarred tactical gear, lit by a flickering wrist-mounted flare, is pulled downward through collapsing flooded chambers by the current of a colossal eyeless leviathan moving beneath the floor grates. The camera plunges after the diver as water rushes through shattering stone archways, air bubbles and debris spiraling past the lens. The diver grabs a broken pillar to stop herself, the current ripping at her body, then releases and freefalls through a vertical shaft, twisting to dodge the leviathan's translucent tendrils whipping upward through the darkness. Quick shaky frames catch her igniting a harpoon gun mid-fall, the flare illuminating the creature's massive jaw opening below. In the final movement, the camera spirals downward around her as she fires the harpoon into the creature's mouth, the bioluminescence erupts blinding white, and the camera bursts through the surface of a vast underground ocean, the diver silhouetted against the glow of a thousand pulsing organisms on a cathedral-sized cavern ceiling. 15 seconds..
Prompt breakdown
- Subject
- Masked diver in scarred tactical gear with wrist-mounted flare descending through flooded subterranean megastructure corridors while pursued by colossal eyeless leviathan and its translucent tendrils
- Style
- Cinematic action video with quick shaky frames, plunging camera movements, and spiraling final shot
- Lighting
- Flickering wrist flare combined with heartbeat-like pulsing bioluminescent algae against black water and sudden blinding white eruption
- Composition
- Dynamic downward plunge through shattering archways and vertical shaft, twisting to dodge tendrils, ending in spiral around the diver firing into the creature's jaw
- Mood
- High-tension underwater survival escalating to explosive release amid primordial megastructure depths
Remix ideas
- Swap the harpoon gun for a wrist-mounted explosive charge that detonates inside the leviathan's mouth
- Alter the final cavern ceiling to feature glowing ancient runes instead of pulsing organisms
- Add a second diver appearing in the background during the freefall through the vertical shaft
Reference images
How to use this AI Video prompt template
1Copy the prompt — grab this template’s prompt and negative prompt. 
2Pick a model — choose a recommended AI model for the best match. 
3Generate — open the studio with one click and create your result.
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FAQ
- How do I emphasize the leviathan's size without showing its full body?
- Keep the creature mostly below the floor grates with only tendrils and jaw visible, using rushing water and collapsing stone to imply its massive scale.
- Can this prompt work for still image generation instead of video?
- Yes, focus on the mid-fall harpoon ignition frame with the diver twisting amid tendrils and bioluminescent algae for a single high-impact composition.