The devotion to the sacred body of Christ, Eucharist, or sanctified Holy Communion, is one of the oldest symbols of the Spanish Monarchy and was a bastion in the struggle against the enemy nations of the Catholic faith. In the 18th century, Santiago's Bishop, Manuel de Alday complained in his sermons that worshippers in Santiago de Chile had lost the fervor for this important symbol of Christian faith. This article explores the history of the Blessed Sacrament to highlight its politicalreligious importance and to understand the relevance of the bishop's complaint.