 Jason North from fellow Adelaide band Truth Corroded appears on the track "Transfusion".The album was mixed and mastered by Dan Murtagh at Melbourne's Sing Sing Studios in November 2011, and released for free digital download from the band's specifically created website www.sonsofasena.com on 4 December.Double Dragon are heavily influenced by bands such as Black Sabbath and Judas Priest, new wave of British heavy metal acts like Iron Maiden, thrash metal bands Slayer and Pantera, death metal pioneers Carcass and Entombed, alternative acts Faith No More and Mr. Bungle, Swedish metal bands like Soilwork and The Haunted, and to a lesser extent progressive artists such as Tool and Opeth.