If you follow our sister site, AionSource, you probably already know this is coming. Actually, you've probably known it was coming for quite some time since the Korean version of the game is updated far in advance of the Western markets.

Still, part of NCsoft's PAX East 2011 showing was Aion 2.5, the next major update for the game. The update, named "Empyrean Calling" by NCsoft, promises to improve gameplay for "Legions," which are the game's version of guilds found in most every other MMO.

Legions will finally have access to  full body, customizable legion cloaks as well as many member permissions options players have been clamoring for.

Source: http://wow.curse.com/blogs/aion-en-news/archive/2011/03/15/aion-preview-patch-2-5-empyrean-calling.aspx