4

A lot depends on the genre and type of work. A short story does not need as many details as a multi-volume saga. I also believe that the number of details of a world is a matter of preference. Some authors and readers need to know the thread count of fabrics used by minor characters while others do not care much even about major things like climate and world ...


2

You have probably read a lot of material on RPG and planes. I suggest you read those again with a more critical eye this time. Dungeons and Dragons was created by a trio of nerdy teenagers trapped in adult bodies, then expanded by more nerdy guys. Their elemental planes are a play with the classical elements. When they added the positive and negative planes ...


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