Cinematic sci-fi trailer edited from AI video and AI music

Prompt

The author shared part of the prompt.

[Generation Goal] 
Generate one continuous, heavily cut cinematic action sequence. During a naval battle in the drizzle, a lone mechanical gunner walks out onto the forward deck of a warship. His massive coil cannon powers up, and at the climax he fires one colossal beam into an enemy mothership of impossible scale that hangs over the sea. The build is micro-detail cutaways intercut with battle B-roll, the huge hit comes at around 17 seconds, and the firing payoff lasts about ten seconds before settling into darkness.  

[Reference Material Roles] 
@ Image 1 through @ Image 5 are key visuals, not keyframes. They define the look of the subjects, props, effects and world. None is a first or last frame, and none should be reproduced as a static hold. @ Image 1 defines the gunner's clawed metal boot, the black cloth leg wraps, the frayed hem of the olive-grey oilskin cape and the wet steel deck plating. @ Image 2 defines the gunner's full design: the hooded olive-grey waxed oilskin, slate-navy gunmetal armour, the long heavy half-cape and the deep braced crouch. It also defines the cannon (near-black squared spine, dark coil collars with orange-red glowing gaps, blunt squared muzzle block, dense receiver cluster beside the head, thick looping cables), the forward deck with its railings and gantries, and the flat overcast drizzle lighting. @ Image 3 defines only the beam and the sea-boil effect: a blinding white beam with a thin orange-red filament fringe, and the sea beneath it flash-boiling into towering walls of white steam. Do not use its framing as a fixed shot. @ Image 4 defines the inside of the hood: the angular gunmetal faceplate in deep shadow and the single thin horizontal orange-red slit of light. @ Image 5 defines the enemy mothership: a single dark slab-sided hull tens of kilometres across that fills the sky and runs past both edges of the frame. Its underside is a city of plating, antenna forests and turret blisters with thousands of dim red lights, pressing into an unbroken low cloud ceiling above a fleet reduced to specks.  [Subjects and Relationships] There is exactly one gunner and exactly one cannon throughout. The gunner is entirely mechanical, with no skin, no face and no mouth, and he never speaks. The cannon is three times his height and only ever rests on his right shoulder. The beam only ever leaves the squared muzzle. The mothership is the only enemy and always hangs over the sea ahead of the bow. Friendly ships are slate-grey industrial warships. The cloud ceiling stays unbroken throughout, with no hole, ring or parting.  

[Visual Style] 
Photoreal live-action science fiction with a practical costume and real heavy machinery. Soft, shadowless overcast daylight in fine drizzle. The palette is cool and desaturated: slate navy, gunmetal, olive-grey and pale sky white, with the orange-red sli

ok I went with the other video (I prompted it manually with the reference images)

Here's what I want you to do next. I have davinci resolve studio open on my mac right now and I have the video + the audio already preloaded for you.

You task is to edit the video so that it is a perfect cinematic trailer. There may be parts we have to trim, re-order, audio management etc. One thing I want the "FIRE" part to be clear. It's around approximately 16s or 16.5s right before the gun fires. You need to also deal with the music track to make it fit properly etc. I am leaving this up to your creative decisions! Make it fucking epic as hell.

Finally, I want you to color grade and post process the entire thing (filmic grain, effects..... everything a real professional studio would do here). I am going to paste in a summary below but by no means do you need to adhere 1:1:

DaVinci Resolve Studio — Seedance 2.5 Full-Video Colour Grading Brief
Objective
Perform a professional, cinematic colour grade on the entire supplied Seedance 2.5 video in DaVinci Resolve Studio.
The goal is to achieve a cohesive, intentional, filmic image while retaining natural detail, smooth tonal transitions, believable skin tones, controlled highlights, and rich but realistic colours.
Prioritize image quality and consistency over applying a heavy stylized look.
Source assessment
Before grading:
Inspect the entire source video, not just the opening frame.
Identify the source resolution, frame rate, codec, bit depth, chroma subsampling, and available colour metadata.
The source is expected to be H.264, 8-bit, 4:2:0, at 24 fps.
Determine whether the source is SDR or HDR and identify its colour space and transfer function where possible.
Inspect representative frames for clipped highlights, crushed blacks, banding, compression artifacts, unusual skin tones, inconsistent white balance, and AI-generated visual anomalies.

Preserve the original frame rate and duration unless explicitly instructed otherwise.
Do not assume that the footage is log-encoded or that its colour metadata is correct simply because it is AI-generated.
2. Colour management
Use DaVinci Resolve Studio's high-precision processing pipeline.
Preferred starting configuration for an SDR master:
Colour science: DaVinci YRGB Color Managed.
Timeline working colour space: DaVinci Wide Gamut / DaVinci Intermediate.
Output colour space: Rec.709 Gamma 2.4 for a conventio

Category

Films & stories

Stack

AI video, AI image, AI music

Made with

Uni 1.1, Seedance 2.5, Davinci Resolve Studio, Suno, fal, Magnific

From the author

Essentially a one-shot; about 20 mood images; roughly $15 total.

On X

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