Yes, this should be changed/fixed. As the list does not clarify this and we shouldn't have to comb through dev discussions for the facts when they post/send out 'advertisements'. It specifically say
If you have decent DPS and self heals, I would say yes, very possible. Never solo’d it myself but considering the calkwalk it was this evening, I don’t see why not.
the trolls than you will see the boss through another locked gate. Be careful and attack it with range attacks as it can still kill ya. Than either die or teleport to boss room using teleporter at st