I have been asked to bring silver dragon blood to complete a human skin armor. I haven't been given a clue as to where it could be. Does anyone know?

I would have to say the Underdarksince that is the only Silver Dragon I ever foud BUT...

slight spoiler-
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The Silver Dragon is much more helpful alive, and.. I edited in this item just to see what I got and it's not that great- certainly alot better armour out there, the help from the Silver Dragon is a better prize- unless you just want to play true evil.