was doing music box quest and suddenly noticed that although my merc was up, i couldn't find him and my merc window disappeared. he had been there just minutes before. i tried to bring him back after i toggled the merc window but it said no merc. yet he was listed as a member of my group. i had to camp and come back in and of course now have an hour and a half lockout on it. so i won't know for an hour and a half if this is a repeatable bug or just a weird glitch. I had never had the problem before, but lately there have been several problems with this zone and others.
I have had this problem a few tines also while doing some of the retro content, shows merc up but it isn't. I've even tried carrying exothermic manastones around so I can suicide but even that doesn't work all the time.