I wanted a likely opponent for the Peace-Out list, and the thought of a righteously indignant group of witch hunters crossing their path appealed to me. I'd like to get some figures that would work for this band sometime down the line and try them out.
I see these Sisters as steadily laying down the purifying plasma, punctuated by extra precise long range bolter action. All the while relying on their 'in' with the Superior Entity to allow rerolls left and right.
The Inquisition Faction
Total UC: 120, Support UC: 40
"Inquisitor Aghmar": Terror Hunter (Alpha)  6 UC