Wan 3.0 First Frame to Video Prompts

How to write great Wan 3.0 prompts

1. 1Number your materials and address them by slot. Wan 3.0 reads references positionally: "figure 1", "video 1", "audio 1", with images, videos and audio counted separately. The handbook prompts do exactly this, for example "the girl in figure 1 wears the blouse from figure 2". Name the slot, never the file.
2. 2Write a timeline for anything over 10 seconds. Nearly every 30-second case is written as segments: "0-4 s wide shot", "shot 2 (4-9 s) close-up". The model follows a timeline far better than a paragraph of adjectives, and saying "one continuous take" keeps it from cutting.
3. 3Write the sound, Wan 3.0 generates it. Every clip carries a synced audio track. The handbook marks effects inline as <cloth rubbing the bar> and dialogue in {braces} or quotes; ambience, a BGM cue and a spoken line each land as written. A prompt with no sound gets generic audio.
4. 4For edits, say what changes and what must not. Editing prompts open with "edit the video", name the element, and always close with a lock: "the woman's action and the rest of the frame stay unchanged". Without that lock the model re-imagines the whole frame.
5. 5References carry identity, words carry the action. With a character card or portrait attached, the prompt repeats the traits that must not drift (hair, wardrobe, accessories) and spends the rest on blocking and camera. Two people need two references; two voices need two audio clips.
6. 6Give an extension a script, not just a length. Extension prompts state the direction ("extend forward 15 s") and then write the new beats with the characters named from the existing footage, dialogue included. A bare "continue" produces filler.
7. 7Frame mode and reference mode do not mix. On the API first_frame_url / last_frame_url and reference_* / file_url / link_url are mutually exclusive. A first-frame prompt describes motion out of that frame; a reference prompt talks to figure 1 and friends.
8. 8State duration and aspect ratio up front. The handbook prompts open with "10 s, 16:9, 1920x1080" or "vertical 9:16, 15 s". Wan 3.0 takes 2-30 seconds and 480P / 720P / 1080P; put the numbers in the prompt and match them with the duration parameter.

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