The approximate time of it is, Dragonica released in 2008, Steel Dog and Love Beat get out towards the end of 2008, the Blade & Soul will launch in 2010, and the Lineage III will finally be unveilled in 2011. It's strange that we can't find the release date of Aion in this plan.
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A looooong time to wait T_T. Aion should be out this year, why not exact date? -WTF