This is a grey theme for the Unity ruleset Blades in the Dark found here.

License information:
This work is based on Blades in the Dark (found at*http://www.bladesinthedark.com/), product of One Seven Design, developed and authored by John Harper, and licensed for our use under the Creative Commons Attribution 3.0 Unported license (http://creativecommons.org/licenses/by/3.0/).