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When Sazed ascended into Harmony, he recreated many extinct plants and animals based on the fragments of knowledge he learned about from various religions. Many ancient and medieval texts in the real world had pictures of animals with wildly inaccurate features and proportions. Were the texts that Sazed drew on fairly accurate, or are there herds of monstrosities roaming Scadrial now like on Roshar?
Brandon Sanderson
Fortunately, Sazed was able to work with something that you wouldn't be able to here. Which is—remember that Realmatic Theory is based on the theory of the forms by Plato. This is where I got it. I've been very open with that idea, that the first glimmers of that occurred when I was taking my philosophy classes in college. I liked the idea of there being this perfect version of something somewhere in another realm. Now, the thing I've done in the Cosmere is that that perfect thing can change and be shaped over time, but the remnants of those things were still there. He could latch onto something, something that knew what these things were supposed to look like, because he had this deific power.
So the answer is no, there are not versions of very very weird lions as drawn in illuminated manuscripts. I love where your brain went on this one. We were actually talking about, I can't remember the name of it, the wolf that they thought was killing all the people in France in the seventeen or eighteen hundreds, that they had these drawings of this monstrous wolf—where it was probably just a pack of wolves that were particularly hungry because their normal food source was being impacted by human expansion or something. But for a period of like five to ten years, perhaps hundreds of people got killed by this wolf, and all the depictions of it are these giant werewolfy sort of scary things.
I love seeing the pictures of all of those things, the pictures of giraffes on illuminated manuscripts that have just been described thirdhand to someone. Your brain is going cool places. You can make monstrosities like that with Hemalurgy, but fortunately Sazed did not run into that problem.