Effect · Celebrations
Fortunate Knocks — good luck at the peephole.
Fortunate Knocks turns a photo into a good-luck visit seen through a front door. The sample opens on a round peephole in a dark wooden door. The camera pushes into the lens, and on the other side a child in a red robe and a tall blue and gold headdress holds up a large gold ingot, grinning and leaning closer.
The sample
What happens in the Fortunate Knocks sample.
It begins with a close view of a metal peephole set in a dark wooden door, with a spot of red showing in the glass. The camera moves in until the lens fills the frame. Through a curved, fisheye view a child appears in a red robe with gold buttons and trim, holding a shiny gold ingot with rounded, upturned ends. The child lifts it toward the lens, and a tall blue and gold headdress with a red jewel comes into view. By the end the child leans in close with a wide smile.
The door and peephole appear only at the start. After that the view stays on the child, with a soft, pale outdoor background behind. The robe, the headdress and the gold ingot all belong to the new look. The face comes very close and looks slightly stretched, as if seen through the lens. The sample ends on a smiling face near the camera, so a clear, front-facing photo with a friendly expression suits it.
The recipe
Fortunate Knocks, on paper.
Read from the effect catalog the app itself ships, so these are the settings your run will use.
| Spec | This effect |
|---|---|
| Engine | Vidu |
| Resolution | 720p |
| Clip length | 4s |
| Cost | 2 credits (~$0.80) |
| Source images | One photo |
| Aspect ratio | 16:9 · 9:16 |
| Category | Celebrations |
| Text prompt | None — the engine's own template |
Your photo
Photos that suit it.
One-tap effects have one input. The photo you pick is your creative control.
Face the lens
The sample ends with the face close to the camera, looking straight in. A front-facing photo matches that close-up.
Bring a big smile
The child in the sample grins widely through the whole second half. A smiling photo fits the good-luck mood.
Choose it for the face
The red robe and tall headdress are part of the new look in the sample. Pick your photo for the face rather than the clothes.
How it works
Running Fortunate Knocks in four steps.
Pick your photo
The tips above come from what the sample shows. A clear, well-lit subject is the safe start.
Open Celebrations and tap Fortunate Knocks
In the King AI app on iPhone, iPad or Mac, or in the web studio. Opening the effect does not spend credits.
Choose the length
4s. Cost: 2 credits (~$0.80).
Generate, then try another photo
The photo changes the result more than a second run of the same photo does.
Keep exploring
More Celebrations effects.
Happy Birthday
Confetti falls and a birthday portrait breaks into a smile.
ExploreStar Carpet
Walk a red carpet toward the camera past rows of photographers.
ExploreSnow Globe Maker
Your scene shrinks into a snowy world inside a glass globe.
ExploreEvery effect, by category
All the effect pages on one list, grouped the way the app groups them.
ExploreFAQ
Fortunate Knocks, answered.
What does the Fortunate Knocks effect do?
The camera pushes through a door peephole to show a child in a red robe and tall blue and gold headdress holding a large gold ingot and smiling into the lens.
What is seen through the door in Fortunate Knocks?
In the sample, the camera pushes into a peephole in a dark wooden door. On the other side stands a child in a red robe with gold trim and a tall blue and gold headdress, holding a large gold ingot with upturned ends. The child lifts the gold toward the lens and leans in with a wide smile.
How much does Fortunate Knocks cost?
2 credits per run (~$0.80). New verified accounts receive 3 welcome credits once. The welcome bonus covers one supported first run costing 2 credits.
How long is a Fortunate Knocks video?
4s at 720p. Aspect ratio: 16:9 · 9:16. Nothing you export is watermarked, on any plan.
Do I need to write a prompt?
No. Fortunate Knocks is a template on the Vidu engine. King AI sends the effect's name and your photo; there is no text prompt to write.
Get started
Try Fortunate Knocks.
New verified accounts receive 3 welcome credits once. The welcome bonus covers one supported first run costing 2 credits. Nothing you export is watermarked.