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DrogaKrolow

In Arcanum Unbounded--

Brandon Sanderson

Yes.

DrogaKrolow

Khriss said that Roshar has an unusually high level of oxygen.

Brandon Sanderson

Yes.

DrogaKrolow

And where does this oxygen come from?

Brandon Sanderson

It is a natural part of their atmosphere. Part of this-- There's two answers to this. One answer is: It was created that way, because Roshar creation predates the Shattering of Adonalsium and a lot of things were set up that way. The scientific side is, in building the creatures that I was building on Roshar I needed a high oxygen environment, just to make the logistics work and even then I had to like-- It's high oxygen, low gravity, right? It's like 0.7 something Earth gravity. And even then I still had to add magic to get big beasties that I wanted to. Like the greatshells just can not exist. Square cube law. Even after I tweaked atmosphere and the gravity, the math didn't work, but fortunately I had the whole spren thing going on. These are both things I was trying do in order to create megafauna. I’m sorry, is that, did that make sense?

DrogaKrolow

Ok, but is there some higher level of production of oxygen, so like, there are no trees but it comes from the oceans?

Brandon Sanderson

Yeah, yeah. I mean they've got a lot-- What you've got, also, to remember is, most of Earth's oxygen doesn't come from our trees-- I mean it does but it comes from the ocean and things like this. I didn't have a problem building this into Roshar because-- What we've got on Roshar is we've got, number one, we've got the highstorms-- Which are actually really good for plant life when it comes to microflora, right? And beyond that you've got-- you've got weather patterns that are very-- Like it’s rarely freezing on Roshar. Most people on Roshar have never seen snow. And so-- I mean I didn't find it a problem making a high oxygen environment work, that was the least of my troubles in building Roshar. I mean most of the planet is ocean anyway.

DrogaKrolow

Some people were curious, just about it.

Brandon Sanderson

Yeah, were they? Okay. I mean, yeah-- I mean all you have to do is hit-- Like really you only have to hit a stasis, right? You are creating as much as you're using. Like if you start with high oxygen and you create as much as you use, you stay high oxygen. It doesn't need to actually be creating a higher percentage than our world is creating, as far as I understand it.

BlackYeti

The other thing is about the atmospheric composition, since-- Well on Earth we've got plants which supplies us with oxygen, which can't really exist on a planet like that.

Brandon Sanderson

Right. They can-- The plants on the other side grow really well, they're just adapted to UV. And they grow with the UV. And so a lot of the oxygen is happening there, and, of course, in the oceans.

BlackYeti

*audio obscured*

Brandon Sanderson

Yeah, a lot of algae from the oceans, which is helping out. Oxygen content is pretty solid there. I mean, it's not Roshar which is high-oxygen.

amilynn

Are there any black people in Scadrial? Or any other races? I couldn't find an answer online, but the descriptions in the book all seem like white/European people.

Brandon Sanderson

The Terris had a lot more skin color diversity than the people of the central dominance. A large number of those preserved had darker skin, so in the W&W era, you are starting to see skin color become associated with them. During the Final Empire, skin color was basically ignored.

Note that for even people in the Elendel Basin, darker skin won't get nearly as dark as what you will find on Roshar or Taldain.

EDIT: Now that I'm on my computer instead of my tablet, I can dig into this a little more. What other posters have been saying is true--the region of the Final Empire we see in the first trilogy is very small, and the Final Empire itself isn't terribly big. There's not a lot of racial diversity at all.

That said, the Terris are a distinct ethnic group. I carefully didn't describe people in the original books with regard to a lot of racially identifying features. One of the Lord Ruler's goals over the years was to stamp these things out, to create a single unified people. While he couldn't change genetics, his work here did make people start to look at things like class and clothing more than accents or racial identifiers. In addition, it was important that the Terris be diverse enough that, while some looked Terris from just a glance, with others, you could meet them and (for obvious reasons that are spoilers) not know they were actually Terris.

That isn't to say they aren't there--they actually are. Elend and Straff would have a bit of an accent, and Cett a fairly strong one. Sazed would look racially distinct from Vin.

As we get further from the Final Empire, we see these things becoming more of a marker. The Terris work to preserve their cultural heritage, and this distinctiveness highlights other aspects about them, including the dark skin that many of them brought through the end of the world. The next trilogy (1980's era) is planned to star a Terriswoman right now, and she would likely resemble someone ethnically black to many of us on Earth.

sirgog

How far off your impression of Sazed was I in imagining him looking like Teferi from MTG?

Brandon Sanderson

I often give him a Teferi-like-look in my own head, but in actuality his skin tone is probably more akin to someone like Keegan-Michael Key.

Phantine

>While he couldn't change genetics, his work here did make people start to look at things like class and clothing more than accents or racial identifiers.

How did the 'skaa/noble' class genetic tinkering work out, anyway? Did the leadership of every nation just wake up the next morning and find themselves taller, more intelligent, and less fertile?

Brandon Sanderson

Most genetic differences between skaa and noble were exaggerated, even fabricated, by noble culture as justification for their perceived superiority. Height differences due to nutrition, 'intelligence' due to education and societal expectations, fertility due to common factors in urbanization. The LR did try some minor tinkering, to be played out over time through genetics, but in the end these changes weren't very successful.

emailanimal

This is actually good to know. I've seen your other responses to similar questions, where the inference was that there was indeed a significant difference.

The main changes were for dealing with the atmosphere, correct? And they were reverted by Sazed/Harmony?

Brandon Sanderson

There were also some general hardiness changes for the skaa and some fertility changes, but as I said, by the time of the books those were basically gone. And yes, Sazed reverted the ones designed to help survival in the ash.