I just did this quest last night. I have my own question about it, but first I will state what I know about your question.
The Burynais upstairs are the Burynai necromancers. That objective appears after talking to the first caravan guard and is listed as (opt) which I took to mean optional. I received a message after killing six of the necros upstaairs that said something about the mobs retreating to the lowest level. At first there appeared to be no mobs underground following that message, but they soon began to repop.
The location for the Rock Seer given in the
quest description here on Alla's was exactly right for me and my group. It is on the lowest level near the Field of Bone exit. Since we had already killed the necros, I don't know if he pops before or after that objective is complete, but if it is reallt optional, it must not be required to get him to spawn.
Now, my question is, How are you supposed to be able to get out of the zone after killing the Rock Seer? The Field of Bone exit didn't seem to work, neither did talking to any of the NPC's on that lowest level, and I was under the impression that there is no way back up from that level.
Fortunately for us, I could gate back to PoK, turn in the last item to complete the quest for the whole group, then the others just removed themselves from the quest and were kicked out within a few minutes. But this would have failed the quest if we hadn't had someone who could gate.
Any ideas?
Edited, Mon Sep 5 16:28:18 2005 by Steale Edited, Mon Sep 5 16:37:12 2005 by Steale