Tripped over this in the vastness of the internet, and I'm pretty happy I did. This is an art tumblr featuring Nyx, and its done in am impressively show accurate style.
I mean, just look at this art style:
Another plus, this is close to the Nyx of Past Sins. The artist does certain have his/her own interpretation of the character, but I think most people who enjoyed Past Sins will find this tumblr enjoyable as well.
So go, enjoy it, and give the artist some attention.
Find tumblr here => asknyxnow.tumblr.com/