Obsidian and resin knife
The importance of the religious in the world of Mexica was such, que desde que nacía hasta que moría, el individuo cumplía estrictamente con todas las actividades relacionadas con el culto.
Además de sacerdotes y chamanes, existían adivinos, called tonalpahual, that applied the complicated ritualism of the calendar. The ceremonies could be fixed (According to the normal calendar of 365 days) or movable, which depended on a divinatory cycle of 260 days and other cycles that determined the existence of good or bad luck for the individual and the community. Human sacrifices and offerings to the goddesses of fertility were governed by these cycles.
