They're part of the misguided riché who sought to avoid social responsibility by complacently walling themselves off from a plague - the backbone of Poe's delightful Masque of the Red Death. So they may not be demons, but rest assured they're not innocents!
I had at least 4 different varieties of enemy planned out, as well as Prince Prospero for a satisfying conclusion, but there was no time left :>
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