Th Yuan Ti are a race of snake-like people that appear as part serpent, part human. I didn’t really see them in action until the video game Icewind Dale which was pretty good, but no Baldur’s Gate.
I like your interpretation here, with the cobra hood “wings”. I never liked the art in Monster Manual II.
Interesting choice too — I was all set for it to be a Yeti, since I thought you were using the original Monster Manual only.
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