Following the release of Patch 4.5, FINAL FANTASY XIV Online introduces a new and unique way to experience the world of Hydaelyn with todays release of the Blue Mage job. The first limited job in FINAL FANTASY XIV Online is available to all players with a level 50 Disciple of War or Magic class/job and have completed the main scenario quest The Ultimate Weapon for A Realm Reborn.
Source: N4G PC Blue Mage Job Comes to FINAL FANTASY XIV