Aion 4.0 is already out in korea and will be released in june.
With a lot of new classes and items
Here are some of them:
Wings of Hyperion
The location of the fort is in South Katalam. Many strategies can be applied to conquer the fort. Once conquered you can enter the instance Idgel Laboratory.
Aion 4.0 trailer video!
Most important facts about Aion 4.0.
If you want to know more about what's going on in Aion visit www.daevasreport.com/