Maintenance for the week of May 18:
· [COMPLETE] NA megaservers for maintenance – May 18, 4:00AM EDT (8:00 UTC) - 9:00AM EDT (13:00 UTC)
· [COMPLETE] EU megaservers for maintenance – May 18, 8:00 UTC (4:00AM EDT) - 13:00 UTC (9:00AM EDT)
The issues on the North American megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!
I can't prove it, but I suspect the quest is limited time. The reason I think this is because the memento does not show up in your collections window if you haven't completed the quest yet.
That said, I'd be kinda surprised if this contend did simply go away.