Write a people — their values, subcultures, how outsiders see them, their tells, history, and what’s pressing on them now. Optionally tie a culture to an existing species so it reads as a sub-culture of that kindred (build the Feyli once, then their Ember, Shadow, and Tidewater branches).
Describe a Culture calls a premium AI to write a people’s identity — values, subcultures, history, and the pressures shaping them now — optionally as a sub-culture of an existing species. It runs on Inspiration.