The sunrod lights up the room while also causing the columns to cast long shadows against the walls. What's revealed is more of the same: scattered tools and dark stains. However, the light does allow kal'Tarron to see that not all the stains were caused by the same liquid. Some of them are blood stains, but just as many are not, probably caused by oil or other liquids used in the workshop.
You still don't see any bodies. Which is odd, given how much blood has been splattered around. What you do see, is a door on the far wall. It is partially open.