Number Guardian

Number Guardians are protectors of the "Legendary Number" cards in the Yu-Gi-Oh! ZEXAL anime. In order for a Duelist to obtain those cards, he or she must Duel against their respective guardian to see if he or she is worthy of wielding the "Number". They are not also influenced by the Numbers' power.

Known Guardians

 * Mach
 * Battle Ox
 * Abyss