Gregory of Nyssa, one of the most influential theologians of the early Christian Church, made profound contributions to Christian eschatology, particularly with his views on the resurrection, the soul, and salvation. His teachings provided a transformative understanding of the human person's ultimate destiny, emphasizing not just the resurrection of the body but its glorification and union with the soul in a perfected state. Gregory's vision of salvation as a dynamic, ongoing process of deification, rooted in divine grace, stands in contrast to dualistic and punitive models of salvation, focusing instead on restoration and healing. His concept of epektasis , or infinite spiritual progress, shaped Eastern Orthodox thought, providing a vision of eternity as a continuous journey toward deeper union with God. Gregory also advanced the doctrine of universal restoration ( apokatastasis ), where even the separated soul has the potential for eventual reconciliation with God. His eschatological ideas, including the resurrection's cosmic scope and the transformative power of divine justice, influenced both Eastern Orthodox theology and Christian mysticism, leaving a legacy that continues to shape Christian doctrine and spirituality today.