Mictlān

[1] The journey from the first level to the ninth is difficult and takes four years, but the dead are aided by the psychopomp, Xolotl.

He asked Quetzalcoatl to travel around Mictlan four times blowing a conch shell with no holes.

[citation needed] The nine regions of Mictlán (also known as Chiconauhmictlán) in Aztec mythology take shape within the Nahua worldview of space and time as parts of a universe composed of living forces.

The names of these creator gods were Xipetótec, Tezcatlipoca, Quetzalcóatl, and Huitzilopochtli, and they inherited the art of creation from their parents.

As they organized the universe horizontally and vertically, the four creator gods forged the pairs[5] of gods who would control each area of power: the water (Tlaloc and Chalchiuhtlicue), the earth (Tlaltecuhtli and Tlalcíhuatl), fire (Xiuhtecuhtli and Chantico) and the dead (Mictlantecuhtli and Mictecacíhuatl).