Corridor Lights Out · Green Butterfly Wing Eyes Become a Yellow Creature's Gaze

Model N/ACreativeTransitionOne TakeHandheld CameraVerticalStructured Prompt11s
A jade-green butterfly slowly flaps deep in a long corridor as the ceiling lights go out one by one, until only two faint green eye-rings remain on its wings; when the lights come back on, those two points of light have already become the eyes of a round little yellow creature. The Chinese prompt nails down the light positions, the flapping rhythm, and a strict "no silhouette allowed in total darkness" rule down to the finest detail.
PROMPT · Video Prompt
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{{Mixed 1}} Reference for the butterfly's real anatomy, wing shape, venation, and scale texture. The butterfly's base color is deep emerald and jade green, with wing edges in dark ink-green. Each wing has one main eye-shaped marking: a black center ringed by fine concentric green circles. Only one butterfly appears in the whole film. {{Mixed 2}} Used only to lock the protagonist's design: a round yellow body, a pale oval belly, short stubby limbs, round green eyes with black pupils, and a flat small mouth. Keep the face shape, eye spacing, and body proportions from the reference image. Do not take the background, other characters, or any held object from the reference image. Do not use the reference video. 【Cinematography and Lighting】 The long, enclosed corridor is rendered with live-action cinematic texture: real wall, door, ceiling-light, and floor materials, subtle film grain, soft highlight roll-off, and deep, clean black levels. The butterfly has a natural insect texture; the protagonist keeps the rounded design from the asset image while having believable volume, contact shadows, and ambient reflections. Shoulder-mounted handheld cinematography throughout. The camera has only slight breathing motion, irregular weight shifts, and small framing corrections. The camera operator stays in one spot the entire time — one continuous unbroken shot, no push-in toward the butterfly, no zoom, no whip pans. From the first frame the camera holds a fairly low height so both the distant flying butterfly and the protagonist standing close at the end remain within shooting range. Use the spatial compression of a medium-long lens so the distant butterfly stays legible while keeping a clear sense of distance from the camera. Focus shifts naturally during the total-black phase, finally landing on the protagonist's eyes up close. The doors along both sides of the corridor and the ceiling form strong depth lines. Cool white ceiling lights with a slight blue tint are spaced apart, forming alternating bright zones and dark gaps on the walls and floor. The walls are a low-saturation grayish blue; the green butterfly wings are the main visual subject in the early portion. After the protagonist appears, the yellow body becomes the standout warm-toned subject. The floor carries only soft, restrained, realistic reflections. When the lights are on, the ceiling lights cast directional light and shade on the subject's surface; when a light goes out, the corresponding bright wall zone, door-frame highlight, and floor reflection fade in turn. After the last light goes out, the space must be completely and totally black — no rim light, no fill from below, and no automatically boosted exposure. 【The Butterfly and the Continuously Glowing Wing Markings】 There is only one continuously transforming subject in the whole film: a green butterfly that ultimately becomes the same protagonist. The butterfly and the protagonist never appear at the same time. The butterfly has a slender body and natural antennae; its two pairs of broad, thin wings move in coordination, with real venation, fine scales, and soft wing edges. The butterfly always stays within a small area in the middle-to-rear section of the corridor and never flies up to the camera. The butterfly flies slowly in a clearly readable "flap... flap..." rhythm: both wings rise and fold together, then open softly downward, gliding briefly after each flap; the body rises and settles slightly with a small amount of drift. The wingtips lag slightly behind the wing roots, conveying the inertia of thin wings. No high-frequency fluttering, no mechanically constant speed, no frozen hovering. Each wing has one eye-shaped marking: a black center ringed by several fine concentric green lines. The markings are formed by the wing scales themselves, shifting as the wings bend, fold, and change perspective — they are not icons floating above the wing surface, nor three-dimensional eyeballs. The two green eye markings emit an extremely faint glow continuously from the very first frame. The rings are clearly defined, restrained in brightness, with no obvious halo and no illumination of the surroundings. The glow is more subdued while the lights are on; it becomes easier to notice once the environment darkens, but the markings' own brightness never changes. They only appear and disappear depending on the wing's angle and occlusion, never flickering in sync with the wingbeats. 【0–5s: Slow Flapping in the Distance】 The green butterfly flies slowly in the middle-to-rear section of the corridor, flap... flap... wings rising and folding together, then opening softly downward. The body rises and falls slightly with each flap, with a small amount of lateral drift and course correction, and overall it does not move closer to the camera. The distant ceiling lights sweep across the green wing surfaces from different angles, and the scale reflections change with the angle. During one wing-spread, both glowing eye markings are briefly visible at once; on the next turn to the side, only one of them is visible. The markings always keep their original faint glow. The camera captures this with slight handheld motion. The background lighting is softly blurred, but the arrangement of the fixtures, the bright/dark zones, and the corridor's depth remain legible. 【5–7.5s: The Light Zones Go Out One by One】 The farthest light dims first, then the next, then the next, going out in sequence from far to near along the corridor's depth. Each light has a brief brightness decay, with a clear time gap between neighboring lights. As each light goes out, the corresponding bright wall zone dims, the door-frame highlight disappears, and the floor reflection weakens. The darkness advances toward the camera section by section, rather than the whole frame dimming at once. The green butterfly is still flying in the distance in the "flap... flap..." rhythm. The corridor and the green wings gradually become invisible, and the two green ring markings — which were already glowing — become easier to make out. When the last light goes out, the walls, floor, door frames, fixtures, wings, and the butterfly's body all disappear, leaving only the two faint green concentric circles on screen. 【7.5–10s: The Transformation in Pure Black】 Only the same pair of thin green rings remains in the pure-black frame. At first they still rise and fall slightly and shift angle with the last few slow flaps, then the motion naturally settles. The rings do not go out and reappear, and no second pair of eyes is ever superimposed. The absolute darkness is used to conceal the continuous change in body shape and spatial distance: the butterfly has already become the protagonist and has moved close to the camera. The color, ring structure, brightness, and on-screen trajectory of the two markings continue smoothly, gradually becoming the outer edge of the green irises in the protagonist's eyes. The spacing and size of the two eyes only shift in a restrained, continuous way — no sudden jump in position, nothing like an aperture rushing toward the lens. By this point the protagonist is already standing close by, but the yellow body, facial outline, limbs, and point of contact with the floor are not visible. The frame remains nothing but pure black and the two faint green rings. The camera's slight handheld motion continues, and the rings naturally respond to that same camera motion rather than staying fixed to the screen. Focus shifts to the protagonist's eyes while hidden by the darkness. 【Second 10: The Lights Reveal】 Every light in the corridor suddenly comes back on at full normal brightness at the same time. Real light instantly reveals the protagonist already standing close by; no white flash, no gradual reveal of a transparent outline. The protagonist stands alone in a close-up position at the center of the frame. The round yellow body, pale oval belly, short stubby limbs, round green eyes, black pupils, and flat small mouth are all clearly visible; both feet cast a stable contact shadow on the floor. The protagonist looks straight at the camera. The two faint green glows from before the lights came on connect precisely into the green irises of the eyes — the position, size, and motion are continuous. The butterfly has completely disappeared. The nearby ceiling light from the side above forms a soft bright plane on the protagonist's forehead, cheek, and one side of the body, with natural shadow kept on the other side; a ceiling light behind traces a thin rim light. The yellow body is lit by the real cool-white corridor lights but is not tinted blue overall. The background reappears with its alternating bright and dark zones, preserving the long, narrow sense of depth. 【10–13s: The Protagonist's Closing Reaction】 The protagonist holds this close position for about 3 seconds, without stepping, turning, or transforming any further. It first looks quietly at the camera, then tilts its chin up slightly, blinks once, and lifts one side of its flat small mouth slightly, showing a touch of a smug, mischievous expression. The movement is small in scale — no exaggerated mouth-opening, and the face shape from the reference image is not altered. The camera remains shoulder-mounted and handheld in the same spot, with the slight breathing motion continuing throughout. Focus stays steadily locked on the protagonist's eyes. The green irises keep their original restrained glow — no spinning, no flickering, no spreading, and no illumination of the whole face. The shot ends with the protagonist tilting its head up slightly and looking at the camera with a faint smile; no freeze frame, no early cut to black, no fade-out. 【Sound and Continuity】 A low corridor ambience, a subtle electrical crackle as each light decays, and a brief power-on sound when all the lights come back at once. The distant butterfly is not given any exaggerated wing-flapping sound. At the end, the protagonist has only faint breathing, with no spoken lines. No background music, no subtitles. 【Consistency to Maintain】 There is only one green butterfly in the whole film, and it continuously transforms into the same protagonist; no second butterfly or second protagonist ever appears. The camera operator stays in one spot, handheld, one continuous unbroken shot, with no push-in and no zoom. The butterfly always flaps slowly in the distance; the two green wing markings glow faintly and continuously from the first frame. Once the lights go out one by one, the space must be completely black, leaving only the original two faint glows; the protagonist's body must never be revealed early in the darkness. At second 10 the lights return simultaneously, and the same pair of faint glows connects seamlessly into the protagonist's eyes. The protagonist is fully held on screen for about 3 seconds at the end. 【Negative Prompt】 blue butterfly, orange eye markings, butterfly flying up to the camera, extra butterflies, extra characters, protagonist's outline revealed early in the darkness, eye markings suddenly lighting up only after the lights go out, a second pair of eyes added, eye markings turning into glowing orbs, eyes jumping position, white-flash transition, camera push-in, zoom, hard cuts, horns or spikes on the head, altered face shape from the reference image, plastic look, over-sharpening, flat even ambient fill light, gray black levels, smoke, particle explosions, subtitles, watermark.
✍️ Editor’s Notes

The core trick here is using a 'blackout' to sidestep the hard problem of describing a literal shape-shift directly: during the total-black phase, only one unchanging pair of glowing rings is kept as an anchor, with position and brightness continuing smoothly, so the model never has to actually render the 'butterfly becoming a creature' process. Structurally, two {{Mixed}} blocks first lock down the butterfly asset and the creature asset separately, then general cinematography and lighting rules follow, after which the prompt is cut into five timestamped segments (0–5s / 5–7.5s / 7.5–10s / second 10 / 10–13s), each stating only that segment's delta. The camera rule 'one continuous shot, no push-in, no zoom' is repeated twice, once in the body and once in the negative prompt — a common reinforcement move in long prompts. The negative-prompt list specifically blocks easy-to-botch timing errors like 'markings only light up after the lights go out' or 'eyes jumping position' — a technique worth reusing in other morph/transition prompts.

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