A Warhammer 40000 fan fiction from the perspective of a young assassin apprentice "Secret War" has drawn inspiration from many sources but most the prolific being the Ravenor series by Dan Abnett. After his mercenary organization is hired by a rogue trader to hunt down a highly influential gang leader on the Hive world of Omnartus. Attelus Kaltos is embroiled even deeper into the complex and convuluted world of the hired killer. Soon he finds that not all is what it seems and that his enemies and allies are not at all what he believed them to be, that this is the mission which will truly test him mentally and physically and change him, for the better or for the worst, forever more.