The Thavnairian climate is so hot and humid that some fruits practically ferment right there on the vine. Most other food tends to spoil quickly as well, which is why we use so many spices─for preservation, you see.
Well, when the Hyurs came to this island, they introduced to us their brand of herbology. The Thavnairians of the time then combined this newfound science with their pre-existing knowledge to develop the alchemy we know today.
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The Radiant Host have asked us to craft some medicine for them, but many of my comrades are still exhausted from helping forge the warding scales, so we're rather short on personnel...
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No medicine in all the realm can save folk once they've turned into monsters. We've been practicing alchemy for ages, but when faced with unknown maladies like this, I can't help but feel we've made little progress in that time...
But that doesn't excuse indolence! If unease and despair are what trigger this transformation, then it is our duty to find a way to help put people's hearts at rest.
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Apparently, the “men becoming monsters” phenomenon was the result of aetherial corruption. Given that the Final Days are behind us, I don't anticipate any relapses, but we'd still do well to look into measures to prevent a recurrence.