When the camera follows an enemy moving around a 2nd floor (or on beams in the ceiling), the floor they're on is invisible, because the player character is downstairs and that floor is kept in focus the whole time. It seems quirky to see them running through the air, and my suggestion is that the game shows the floor relevant to whatever character the camera is focused on. A good example is when fighting DROR RAGZLIN and some enemies are moving up onto the ceiling beams, the beams remain invisible until you move up there yourself.
