In season 1, episode 27 ("Ancient Medallions") Dario Cueto, the storyline owner of Lucha Underground, revealed that he had gathered seven ancient Aztec medallions during a taped segment.

[1] He explained that they represented the seven tribes of the ancient Aztec world and that whoever held all seven of them would gain a "gift from the gods".

Later on he ordered seven wrestlers to come to the ring; Cage, Fénix, Killshot, King Cuerno, Pentagón Jr, Sexy Star and Willie Mack.

[2] Episodes showing how the remaining five medallions were awarded has not yet aired, but reports from the taping of the final match revealed that Aero Star, Bengala, Big Ryck, King Cuerno and Sexy Star win the remaining medallions at some point prior to episode 39 Ultima Lucha.

Fénix outlasted the other six competitors and won the Gift of the Gods Championship[3] After the Gift of the Gods Champion is vacated to challenge for the Lucha Underground Championship, the medallions are redistributed among the roster and the seven winners face off to determine a new champion.