yea, it really is dissapointing that the game doesnt even come close to expressing the epic scale and majesty of the conecpt pieces. Ah well, whatcha gonna do..
there are a couple of updates on my cottage, including this unfinished power armor from Imperator: I worked on this character with Nate LaMartina. Erik Ehoff did the concept.
Turns out this is a known issue: https://forums.unrealengine.com/unreal-engine/feedback-for-epic/106544-dynamic-shadows-artifacts?133869-Shading-problem-in-4-14=&viewfull=1
looks to me like you are on to something here, good thumbnails. It's still a bit early to tell where it will head but theese could become quite epic kind of settings.