Official 2-CD edition containing the following demos by Spanish Thrash Metal bands:
Hathor - The Worst Nightmare (1990)
Mosh - Demo 1989
Bloody Souls - Demo 1989
Thrashsylvania - Way of Death (1990)
Arkhe - Agony (1990)
Gàrgola - Fes-T'Ho (1990)
Scum - Demo 1989
Dead Zone - Sin By Rage (1987)