The best fantasy/sci-fi literature involves a lot of world building.
For some, the world building came first and the stories were an offshoot of that.
Tolkien needed a world and stories to bring life to the languages he was inventing.
Raymond E Feist's Midkemia was a massive collaborative effort for a RPG world. He has stated: "I don't write fantasy; I write historical novels about an imaginary place. At least that's how I look at it."
Multi-agent LLM systems with persistent memory are actually making significant progress on world-building coherence, maintaining consistency across thousands of interactions while incrementally developing complex fictional universes.
For some, the world building came first and the stories were an offshoot of that.
Tolkien needed a world and stories to bring life to the languages he was inventing.
Raymond E Feist's Midkemia was a massive collaborative effort for a RPG world. He has stated: "I don't write fantasy; I write historical novels about an imaginary place. At least that's how I look at it."
This is what you won't see AI doing...yet.