Talk:Frontier Caverns/@comment-86.21.250.206-20120531215358/@comment-5151077-20120531215807

If I remember right, you don't gain access to the quest until the postgame (after killing "The Dragon"). I don't recall the name, but you get it from the Cassardis notice board and it requests you go to the Shadow Fort to fight an unknown enemy.

That's when I got behind the gate anyway.