 Many of the attributes of Xiuhtecuhtli are found associated with Early Postclassic Toltec warriors but clear representations of the god are not common until the Late Postclassic.The "nahual", or spirit form, of Xiuhtecuhtli is Xiuhcoatl, the Fire Serpent.Xiuhtecuhtli was embodied in the "teotecuilli", the sacrificial brazier into which sacrificial victims were cast during the New Fire ceremony.