A pilgrimage system built around atmospheric ascents, orbital monasteries, and treaties written as flight law.
The choir is not a metaphor in Orison. Their harmonics stabilize ascent windows for older hulls that cannot trust local instrumentation.
In this proposed story, a ceremonial performance reveals navigational math hidden inside a liturgy. That discovery threatens the political balance between the monasteries and the freight guilds who profit from controlled access.
It is still in review because the story introduces new pre-collapse factions. The editorial question is whether those factions enrich the system or open too many loose ends for the current MVP canon.
Characters can arrive after the world frame, but this opening file should already make the universe feel governed, cinematic, and worth entering.