Modern Combat Archery : Ghost of the Battlefield

The following video is a training simulation. All shots are made using a standard 50lb recurve bow. The bow is bare with no sights and all shots are done instinctive.
A skilled combat archer should be the ghost of the battlefield. Their arrows should not be seen but should be felt. The archer should be able to attack from anywhere and at any distance with a bow strong enough to kill their target. Anything less is deemed unacceptable.