This chapter highlights how war is represented in Filippo Tommaso Marinetti's works. It focuses on the representation of the Italian soldier, of the enemy and of battle, and finally, on the meaning he assigned to death on the front line. The chapter also focuses on the representation of the First World War. During the First World War, in the manifesto Sintesi futurista della guerra (Futurist synthesis of war) the war is represented in the first place as a conflict between Futurism and passeism. On the representational level, war thus becomes an existential battle between human beings and nature, and a cosmic battle between opposite forces, such as Good and Evil, or Futurism and passeism. The fatal conclusion according to which war was an inseparable part, or rather, 'the culminating and natural synthesis of progress', placed technological war at the core of the Futurist modernolatry.