We have received reports and confirmed that the Treasure Dungeon and Premium Dungeon are both inaccessible at this time. You may receive an error that says "Zone Server is Under Maintenance" when trying to enter. It has been reported to the Requiem Team. You can check back here from time to time for updates on the issue.
Apologies for the inconvenience.
The Treasure Dungeon and Premium Dungeon are accessible again. You may need to restart your client.
Thank you for your patience! 
Edited by VModStrawberry, 15 August 2017 - 02:07 AM.
