Shades of Darkness - Discussion

"Shades of Darkness" - several boundaries, borderline states.

I think the meaning here is that darkness is multifaceted. It can appear and be anywhere, take any form, etc.
In the sense that Shukfir wrote, like:
"Yorgen and you?
And me, and there are many of us like that."

Added after 2 minutes
Well, and basically the title of the expansion: "Multifaceted Darkness" :)