Popol Vuh by Francisco Ximénez — Read

This now is the overthrow and death of Zipacna. He was defeated by the twins, Hunahpu and Xbalanque, whose hearts were offended by the deaths of the four hundred boys at the hands of Zipacna.

Now this Zipacna would spend each day wandering in search of his food, only fish and crabs, which he looked for in the rivers. By night, however, he would carry mountains on his back.