(Sorry, it was my inner fan-girl)
I'm glad to read more from you! *subscribing to the topic*
I was surprised that the story started with the Pim- no, I meant Hero of Waterdeep and her slave. If I didn't know already something about her and what she does Valen do, I'd be surprised to find them in that situation.
BTW technically speaking, Valen is a half-demon, not half-devil ;-) some tanar'ri guys could feel insulted by this mistake! lol
You stressed a bit too much that Uni'el is blind imo, 3 times in few sentences... it works well when describing actions or expressions, but makes me think "Ok, I get it, SHE IS BLIND, can we go on please?" XD
The last part about Anelee is good, with few words you described where she is, what happened, where she's going and a little of her curiosity. Without making it boring, in a way that the reader is told these facts while he/she is actually paying attention to Anelee's actions. So, you didn't stop the action to say "blah blah blah that's what happened", but you put these background infos INTO the narration.