Idea Bank

Core Setting Elements to Flesh out

Fumayan provinces in greater detail
Fumayan lesser noble families in greater detail
Swynfaredian provinces in greater detail

Broad Setting Details

How dragons fit into modern Scarterra, especially West Colassia
How giants fit into modern Scarterra, especially West Colassia Infernalists in modern Scarterra
How the Cult of the Compact Operates
Gambling in Scarterra

Comparing Medieval Society to Scarterran society

Child Morality in the real world versus Scarterra
Courtship, marriage, families, and casual hookups in the real world versus Scarterra
Waste not, want not
Mixing religion and politics Scarterra versus the real world
How rich people worship the Nine
How Scarterran magic and castles mix
Scarterrans wearing hats versus real world hat history
Scarterran banking versus real world "usury"
Food shops
Boarding Houses somewhat more modern than medeival but works for Scarterra which has a few more mobile unmarried men.

In the Weeds Setting Details

What the Scarterran afterlife actually entails and what Scarterrans actually know about it.
Rank and Title in the various priesthoods
Gratuitous noble family tree filling
How Metamorph culture works
Niche crops and cash crops
-honey
-sugar cane
-olives
-cheese
Scarterran cattle
Scarterran entertainers
How non-core races see the Nine
glass blowers

Foreign Settings

Fleshing out the East Colassian Confederacy lands and factions
Fleshing out Dark Elf lands and factions
Fleshing out Codenya lands and factions
Fleshing out Kantoc lands and factions
Adding Snakemen to Scarnoctis
Gratutious Scaraquan articles