Aion Online ( also known as Aion: The Tower of Eternity) is a massively multiplayer online role-playing game (MMORPG) released by NCsoft. The game combines PvP and PvE (a concept the developers call PvPvE) in a fantasy game environment. AION's first major expansion pack was released to North America and Europe on September 7, 2010 under the name AION: Assault on Balaurea. On February 29, 2012 AION became free-to-play in Europe with a limited set of options regarding gathering, trade and chat, while North American Truly Free launched on April 11, 2012 with no such restrictions. There are six subclasses, and eleven main classes in the game. Players start the game by choosing one of the six primary classes: Warrior, Mage, Scout, Priest, Technist or Muse. After attaining level 10, the player must choose from two specialized classes associated with their chosen class (with the exception of Muse, which at the time can only ascend to a Songweaver). Warriors may become a Templar or a Gladiator; Mages may become a Sorcerer or Spiritmaster; Scouts may become an Assassin or Ranger; Priests may become a Cleric or a Chanter; Technists may become a Gunslinger or Aethertech; and a Muse may become a Songweaver. Expansions Aion: Assault on Balaurea Released on September 7, 2010, this expansion evolves the game’s story and terrain as it expands the game world of Atreia far beyond the traditional territories of Asmodae and Elysea. In this expansion, both sides take the fight against the invading Balaur to their homeland of Balaurea. Players will receive new challenges; novel and updated instances and zones; an increased level capacity from 50 to 55; and fresh weapons, items, skills, and flight mechanics. Aion: The Promised Lands / 3.0 Ascension Released on October 19, 2011, The Promised Lands (Ascension in NA) takes Aion further into Balaurea, including areas where opposing factions must work together with the Reians to drive the Balaur back into Tiamaranta, where players face Dragon Lord Tiamat in her fortress. Aion 4.0: Dark Betrayal Released on June 26, 2013, "Dark Betrayal" features two new classes, the Gunslinger and the Songweaver, as well as three new zones, Katalam, Danaria, and Idian Depths, as well as increasing the level cap to 65. On January 29, 2014, the 4.5 "Steel Cavalry" patch added another class, the Aethertech, who utilize "magical mechanical mounts to unleash both short- and long-distance attacks", according to a press release by NCSoft. Aion 4.8 Upheaval Released on June 17th 2015 - The world of Atreia has been changed forever with the release of the Upheaval. A devastating attack has scarred the world, destroying Katalam, Danaria, Sarpan, and Tiamaranta; those lands are now gone forever.