On this night an 100% Elder Tribunal 10 man group did venture forth into the Blackwing Descent and slay the ferocious Magmaw, as well as into the Barradin Hold to slay Pit Lord Argaloth!
I should also note that we killed him on Tuesday, December 21, 2010 11:58 PM as well, but that it was not a 100% only ET group. So I do not count that as our first kill.
(might post pics later)