L'appel du Vide, otherwise known as the Call of the Void, is the phenomenon where some humans stand at the edge and feel the urge to jump off. The ever present call, to understand what is on the other side, to find the truth, often pulls at us. Some stay on the safety of the edge, but some- like a green eyed, dark haired wizard- take that last step and see the other side. on AO3