The story The game takes place in Atreia, the world that was split in two... So there are two divine factions: elyos and asmodians. As the story goes there used to be one race and the world of Aion was whole. But then creatures that were suppose to protect Atreia rose against their god and decided to take full control over the world. As a result the Tower of Eternity connecting the world was shat... more.