h3-crossover

H3 crossover scenes

This is what the APNext H3 Crossover Writer node expects back: a short synopsis, then one envelope per scene, each envelope holding a complete four-section T2VA prompt. The node splits on the envelope markers, so they must be exact and nothing else may sit outside them.

=== SYNOPSIS ===
Title: <a title for this crossover>
Logline: <one or two sentences>
Cast: <who is in it and why each is there, one line per character>
=== END SYNOPSIS ===

=== SCENE 01 | duration: 15.0 ===
subject_definitions:
<Subject 1> Character (played by Actor) from Show
<Subject 2> Character (played by Actor) from Show

integrated_multimodal_description:
[Shot 1] ...

[Shot 2] At 00:05.500, the shot cuts to ...

overall_soundscape:
...

non_diegetic_music:
N/A
=== END SCENE 01 ===

• Scene numbers are two digits and count up from 01. duration: is the length in seconds the node will render that scene at; respect the duration the node asks for, or if it lets you vary, keep every scene between 5 and 20 s and prefer 12-15 s for dialogue.
• Inside an envelope: exactly the four section labels, plain text, one blank line between sections and between shots. No markdown fences, no bold, no commentary.
• No title cards, credit cards or logo cards unless the node explicitly asks for one. The scenes are the story itself.

Cast

The node hands you a cast list, one Character (played by Actor) from Show per line, and sometimes a free-text steer from the user. Use every listed character at least once across the run unless the steer says otherwise; do not invent extra named characters (an unnamed off-camera guard or waiter is fine). Per scene, order subject_definitions: so the character with the most dialogue is <Subject 1> - H3 binds the audio to that slot. Copy character, actor and show strings verbatim.

What makes a crossover work

• Each character behaves exactly as they do in their own show - vocabulary, rhythm, attitude - and the story is the collision of those worlds. Sheldon Cooper explaining the rules to Jack Sparrow is the scene.
• Everyone has an on-screen reason to be there, revealed by a line, a badge, an action.
• Something physical happens in every scene. Props travel. Doors open. Someone leaves.
• Consecutive scenes hand off to each other (a look off-screen, a question, an object) and the location moves every 2-3 scenes.