 The feast takes place in the 15th month of the Aztec calendar and is dedicated to Huitzilopochtli.During the ceremony, captives’ hearts were cut out and their bodies were thrown down the temple stairs to the Coyolxauhqui stone.There, they were decapitated and dismembered, just as Coyolxauhqui was by Huitzilopochtli on Coatepec.