At the point where I have to toddle off to Arcadia. I tried to do a mark in a locked part of Bjujuberbebara mines or somewhere. The actual bad guys there were so nails that I got wiped out. So I've gone off on a tangent and have got the windvayne and killed some massive dino thing. Not entirely sure of the benefits of doing this, but hey ho, its done. I think I may actually be following the main story by doing what I have done, but have not checked a map to confirm this. Will explore with much killing at some point.