The intro "El Altar Del Dios Desconocido", appears on the album At War With Reality, is an adaptation of the book "Sobre héroes y tumbas" (On Heroes and Tombs) by Argentine writer Ernesto Sabato.
Slaughter Of The Soul was voted as the best album the years 1991-2008 by swedish metal magazine Close Up.
The song "Suicide Nation" from Slaughter of the Soul is on the soundtrack to the 2008 movie "War, Inc." starring John Cusack, Marisa Tomei, and Hilary Duff. It's featured briefly, but prominently, in one scene as the music being blared by loudspeakers from a military vehicle controlled by American mercenary soldiers as they engage in battle in the third-world country, "Turaqistan".