Legión X was founded in 2009 by a group of young wrestlers in Pachuca area. They appeared also on Blue Demon Jr./NWA México events. In 2011, Zairus left the group to join AAA. Belial came up to replace him, but left the group some months after to focus in wrestle to other promotions. Then, Arez (who previously joined rival group Aero Evolution) came to the group to replace Belial. After some months wrestling together, the stable disbanded in 2013.