Aion: The Tower of Eternity (Korean: 아이온: 영원의 탑), known also as The Tower of AION (タワー オブ アイオン?) in Japan, is a massively multiplayer online role-playing game (MMORPG) released by NCsoft, a major Korean game developer. The game combines PvP and PvE (a concept the developers call PvPvE) in a fantasy game environment. As of May 20, 2009, Aion has 3.5 million subscribers in Asia.[8] AION's first major expansion 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 on Europe [9] with an extremely limited set of options regarding gathering, trade and chat.
