Sagas treat hamingja with a consistency that suggests audiences understood it as a working concept rather than a poetic flourish, closer to a real economic resource than to an abstract virtue. A leader with great hamingja could be described as lending it to a follower undertaking a dangerous mission, the loan explaining why the follower succeeded against odds his own skill alone might not account for, and conversely a string of defeats or misfortunes could be read within the narrative as a sign that a person's hamingja was failing or had been depleted by earlier overreach. This framing let saga authors explain success and failure in terms that were neither purely secular, skill and circumstance alone, nor purely providential in a Christian sense, occupying a distinctly pre-Christian conceptual space where a family's accumulated luck functioned as real, if invisible, capital passed down and drawn upon across generations. The concept therefore did significant narrative and social work: it let audiences understand why an otherwise capable person might fail, and why an apparently ordinary one might unexpectedly succeed, without requiring either outcome to reflect directly on personal merit alone.