When you return the items to the Vithrak leader, there is a dialogue option saying that his scouts ambushed you on the way back. If you took the master staircase to say level 11 and then went down to 12 without meeting the scouts again, this shouldn't appear as an option

 

https://www.dropbox.com/s/fxzxg6m7pm3vk1s/e2d2ab70-196f-49d5-a02a-bece575f0330%20save.savegame?dl=0

bump

Not a bug. I submitted this before and was told that I was ascribing context that wasn't there.

lol

weasely answer is weasely.

yes, it's a bug.

 

Just relaying that the devs disagree. Do with that information what you will. 

i kinda just did.

not a poke at you, mind; as you say, you're just the messenger.