In sermons, letters, and ascetic traditions, late ancient Christians imagined the last minutes of life and the events that followed death in elaborate detail. This book traces this early tradition of imagining the experience of dying and points to its consequences in later Christian thought.Late antiquity saw a proliferation of Christian texts dwelling on the emotions and physical sensations of dying, not as a heroic martyr in a public square or a judge's court, but as an individual, at home in a bed or in a private room. In sermons, letters, and ascetic traditions, late ancient Christians imagined the last minutes of life and the events that followed death in elaborate detail. The majority of these imagined scenarios linked the quality of the experience to the moral state of the person who died. Death was no longer the happy ending, in Judith Perkins's words, it had been to Christians of the first three centuries, an escape from the difficult and painful world. Instead, death was most often imagined as a terrifying, desperate experience. This book is the first to trace how, in late ancient Christianity, death came to be thought of as a moment of reckoning: a physical ordeal whose pain is followed by an immediate judgment of one's actions by angels and demons and, after that, fitting punishment.Because late ancient Christian culture valued the use of the imagination as a religious tool and because Christian teachers encouraged Christians to revisit the prospect of their deaths often, this novel description of death was more than an abstract idea. Rather, its appearance ushered in a new ethical sensibility among Christians, in which one's death was to be imagined frequently and anticipated in detail. This was, at first glance, meant as a tool for individuals: preachers counted on the fact that becoming aware of a judgment arriving at the end of one's life tends to sharpen one's scruples. But, as this book argues, the change in Christian sensibility toward death didlă2