When banished ogre defeated in tactical battle, just as it hits the ground the screen flashes white for an instant.  When the game returns to world map and ogre falls there, another white flash occurs as the ogre hits the ground.

Found this line in error file:

Debug Message: WARNING: CResourceManager::GetEffect could not find file: gfx/fx/fxo/post_camerashake.fxo
Debug Message: CResourceManager::GetEffect found source file for effect: C:\Program Files (x86)\Stardock Games\FallenEnchantress\Gfx\fx\post_cameraShake.fx (This will be compiled at run-time and used)

The ground did not shake as it normally does when these behemoths fall.