I’m not sure how to explain this. There’s a faulty mesh bug at rock hill near the Xullan. You have to see it yourself. Here’s screenshots.
You see it looks normal without aim with the bow. But when you aim with the bow:
extra rock mesh shows and you can’t shoot anything and arows hit the rock. But without aim it looks normal and you can see behind it (I tested it with pulling some Silent Legion Warrior Skeletons)
And here’s the map view, don’t know how to see coordination on live server never needed before but it is around there. Just after climb the hill from ice lake side. Somewhere around there.