Cinematic music is structural before it is textural: the build and the drop do the work. These blueprints spell the arc out in the arrangement rather than hoping an adjective like "epic" produces one.
The arc is written into the arrangement: a stripped intro, an explicit build, then the drop. That structure is what produces "epic", not the word itself.
Style
cinematic score with orchestral influences, mid-tempo, strings, brass section and percussion, spacious production, triumphant and dark, low string ostinato under rising brass
Lyrics
[Intro: stripped back]
[Build: building energy]
[Drop: high energy]
[Outro: fade out]
[End]
Tension without a payoff, on purpose — there is no drop section, so the cue can sit under a scene indefinitely. Percussion is excluded so nothing implies a beat the picture has to match.
Style
cinematic score, slow tempo, strings and synth pads, minimal production, dark and mysterious, sustained low strings, slow unmetered swells
Scale is an arrangement property. A build section followed by a drop produces the feeling; an adjective competes with the rest of the Style field for attention.
How long should a trailer cue be?
Set the duration control to the length you actually need and keep the arrangement to four or five sections. A long section list inside a short duration gets compressed into mush.