Heya. Welcome to IronWorks.
Spoilers
.
.
.
.
.
.
.
.
.
.
.
.
.
.
>In a later stage of the game, when you visit the Underdark, you will run into a Silver Dragon. I guess you know what you have to do to get the blood from her, eh?
Doing this is only recommended for evil characters by the way.