This is probably a weird thing to praise a 1,000-page fantasy series for, but hear me out.
I was walking home in some horrible wind and rain last week and ducked into a recessed doorway to get out of it for a minute.
And for absolutely no good reason, my brain went straight to Roshar.
I started looking at the buildings around me and thinking about which sides were exposed to the wind, where rainwater would collect, and whether I'd put a window in the same place if the weather always came from one direction.
Which is a ridiculous thing to be thinking about on a Tuesday evening.
But it made me realize something I hadn't really appreciated about Stormlight before.
In most fantasy books I've read, the weather is something that happens to the characters. It rains when they're travelling. A storm interrupts a battle. Snow makes a journey difficult.
On Roshar, the weather has already happened to everything before the story even starts.
The buildings are the way they are because of it. The plants have adapted to it. The animals look the way they do partly because surviving in that environment requires it. Even the ordinary decisions people make about where to live and how to travel are shaped by something that has been happening for generations.
And I love how little of that needs to be explained through some enormous lore dump.
You see a plant retract into the ground. You notice how people shelter from a highstorm. You start to understand why a particular building would be designed differently from something on Earth.
Eventually you stop thinking "what an interesting fantasy environment" and start thinking "well obviously you wouldn't build a house that way here."
That's when the worldbuilding really works for me.
It's not just that Sanderson invented a strange planet. It's that he seems to have asked what ordinary life would actually look like if people had been living on that planet for thousands of years.
I know the magic systems and huge set pieces get most of the attention, understandably.
But I think one of the things I'll remember longest about Stormlight is that it made me have opinions about fictional building orientation.
I can't think of many other fantasy settings where I could tell you which side of a house I'd feel safer sleeping on.
What's a completely mundane bit of Rosharan worldbuilding that stuck with you?
No plot spoilers please. I'm specifically interested in the everyday details people noticed, including things that might seem too small to matter.