The crystal skull was new for Xia Lei. He remembered reading about it in a book titled Unsolved Mysteries of the World. The story piqued his interest, effectively engraving itself into his memory. In the book, the crystal skull was said to be made by the Mayans. They had created a total of thirteen crystal skulls, which was later brought to the American continent by the Native Americans. It was said that the skulls were modelled after a female skull and had the same dimensions as a regular human skull. Mayan astronomers regarded that it held supernatural powers that carried the secrets of the origins of the universe and mankind. The crystal skulls were closely tied to the survivability of humans at the end of this aeon. Humans would need to place all thirteen crystal skulls in the right position to generate a magnetic field, which would push the planet into its correct orbit. 

But of course, it was nothing more than a hoax. Even the end of the world predicted by the Mayans turned out to be untrue. The crystal skulls exhibited in the British...