Breath pervades the Old Norse imagination as both metaphor and lived reality. This chapter examines representations of breathing in the Poetic Edda and Prose Edda, analyzing how Norse cosmology and myth make meaning of breath in cultural context. The Eddic texts depict breath as the divine spark of life, the animating soul, a medium of emotion and inspiration, and a force entwined with death and fate. Using a multidisciplinary framework—embodiment theory, affect theory, and material-semiotic theory—this chapter explores breath as simultaneously physiological and symbolic. The chapter considers how Odin’s gift of önd (breath/spirit) to the first humans establishes personhood and how last breaths mark the liminal moment of death. Breath figures in the affective atmospheres of the sagas: sighs of grief, battle cries, and communal horn blasts at Ragnarök all illustrate breath’s relational and emotional dimensions. The analysis also shows how breath is “enacted” through material and ritual contexts, from magical objects like Odin’s horn and the dwarves’ impossible “breath of a fish,” to the embodied practice of oath-swearing and prophecy. Throughout, breath emerges as a culturally constructed phenomenon—at once an invisible life force and a tangible signifier loaded with meaning in Old Norse society. Linking these ancient ideas to current debates in medical humanities and disability studies, the chapter highlights enduring questions about breathing, embodiment, and the human condition.