I'm still confused with the way this all works. First time I tried the boss on my Warrior, the boss stayed on 6 health for like 10 mins then seemed to run out of cave and despawn.
I tried it again today (2 days since first try) on my Warrior and he showed up as an elite. I didn't pay attention the first time as to what it was showing but I'm guessing that means even though he bugged out the first time, I've lost my chance at a purple, if in fact 20's can get a purple?
Also, strange thing is he seemed to stay on 6 health for ages again the 2nd time round, but there must have been some good healers and eventually I stopped targeting the boss and started going for the ghouls. After smashing a cr@p ton of ghouls, all of a sudden I get the achieve for participating and get to loot boss body. But only greys and white vendor trash. So, is he bugging out or does he just stay on low health for a long time till ghouls die or something?
And is it a once a week loot only, which really means once a month?