A non-narcotic substance created using a combo of The Darkness and the engineering of modern science. Through the guidance of molecular biochemical engineering Jackie learned to create a drug through his powers, in an endeavor that would score him the small terrace of Sierra Muñoz; Central America. This opiate is so powerful that even while not necessarily addictive can still create a physiological & psychological need in whoever intakes it. The Barbs which carry the contents of nightfall; being a darkness construct in themselves, are quite brittle when exposed to bright light causing them to dissipate into nothing.