Bone Hunters are creatures that reside in the Shadow Realm. They are fast, agile and strong which makes them very dangerous to survive in the cruelst realm of the Empyrean. They are calleded Bone Hunters for hunting damned souls for their bones, using their large razor sharpe talons to tear their 'flesh'.
Behind the Scene Edit
The image is from a Magic The Gathering trading card: Phyrexian Obliterator.