(I'm guessing this is a way of plugging the outlaw's den to the people who either ignored it or didn't know it existed. I think it's pretty clear that they expected everyone to be using it at launch. The whole HK thing seems like an attempt to make people more well-rounded players.)
They killed the den a long time ago and even after adding a quick travel ability to it in 1.2, they still gave no incentive to go there which totally sucks.
The pvp aspect to this quest is