Also loving the cultists. Had the same idea (use as servitors) when I saw them. I would love to get some for my Word Bearers!
Yeah, we flew our space church across 500 light years to get to this planet taken over by the space orks. Now we're going to drop from orbit in buckets and run out and shoot pistols and hit people in the head with chainsaws. Yeaaaah Ultramarines!