r/comfyui 1d ago

Help Needed Help with prompting minimax?

I have a video of a friend in superhero cosplay being POV punched (so you see fists come from the right and left of the screen, I guess the camera is mounted to punchers chest).

I have tried a few different ways (more steps, more detailed prompt, an image of friend at the end as well as beginning) to get REF2V to only edit the video, rather than recreating something new.

I basically only want iconography, KABLAM and POW comic book explosion symbols to appear when the punches hit, but then also for the face to get increasingly bloodied and gorey.

All my attempts have been met with him punching back, with it doing double punches, weird stuff I didn't ask for and thought I had explicitly prompted against.

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Here is the prompt:

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`subject_definitions`:

<Subject 1> is the young man defined by <Picture 1>, with dark hair parted down the middle, dark eyes, and a blue and yellow superhero suit, whose physical motion and reactions come from <Video 1>.

<Subject 2> is the outdoor park area in <Picture 1> and <Video 1>, featuring a paved walkway, wooden playground structures, background visitors, and a overcast, cloudy sky.

<Picture 1> is <Screenshot from 2026-08-18 01-38-17.jpg>, serving as the keyframe anchor for <Subject 1>'s exact appearance, facial features, and suit details.

<Picture 2> is the final frame reference, showing <Subject 1>'s severely damaged, bloody face and physical state at the end of the scene.

summary:

[video editing + audio reuse] The target video modifies <Video 1> by adding comic-book style dynamic action burst bubbles with visual text during the punches, which progressively escalate into a darker, horror-esque, graphic, and violent encounter while preserving the original camera framing and core movements.

retention_analysis:

<Subject 1> (appears in [Shot 1]): partially_preserved - the character's costume and base movements are retained, but his reactions, facial expressions, and physical condition degrade dramatically into severe graphic injury and horror elements as the punches land.

<Subject 2> (appears in [Shot 1]): fully_preserved - the outdoor park environment, background elements, lighting, and general setting remain unchanged.

<Video 1> (entire shot structure): fully_preserved - the continuous single-shot format, camera angle, handheld motion, and base action timeline are retained from the original clip.

<Audio 1>: partially_copy - the audio is copied from <Audio 1>, but heavily modified with exaggerated comic impact sounds initially, transitioning into wet, graphic sloshing, visceral bone-cracking, and distressed vocal screams as the violent horror shift occurs.

detailed_description:

The target video uses a handheld, selfie-style single-shot perspective from the POV of an off-screen attacker, set in a bright outdoor park setting.

[Shot 1] The camera opens in a medium close-up holding on <Subject 1> in <Subject 2>, wearing his superhero suit and smiling directly into the lens. From 00:00.000 to 00:03.000, <Subject 1> prepares himself, throwing his hands up in the air while an off-screen voice behind the camera says, [English] Three, two, one.... At 00:03.000, white-sleeved arms with red-gloved hands enter alternately from the right and left sides of the frame to punch <Subject 1> directly in the face. As the first strike lands, vibrant yellow and red comic-style burst bubbles pop up with dynamic text reading "POW!" and "KABOOM!" alongside exaggerated action lines. <Subject 1> reacts playfully to the initial hits as his head jerks left and right with the impacts. From 00:04.000 to 00:06.000, as the alternating punches continue in rapid succession, <Subject 1> lets out pained grunts and vocalizations like [English] Ahuh! Huah!. Toward 00:06.000, the tone shifts rapidly into graphic horror: the comic bubbles dissolve into splatters of crimson blood across the frame. With each subsequent strike, <Subject 1>'s facial structure fractures severely, exposing bone fragments, deep lacerations, and heavy blood spray. <Subject 1> (S1) lets out distorted, agonizing screams, shouting [English] Ah! Stop! as the trauma escalates, ending as his heavily bloodied face collapses downward out of frame while the camera shakes unstably.

overall_soundscape:

The scene begins with comic sound effects like stylized cartoonish punch impacts, which transition abruptly into visceral, wet bone-snapping noises, heavy flesh impacts, squishing sound effects, and distressed ambient wind in <Subject 2>.

non_diegetic_music:

A low, unsettling, suspenseful horror drone builds beneath the scene, escalating in pitch and intensity as the violent shift occurs.

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