Quote Originally Posted by Cmoidudu View Post
I had another character completing the "Avarice" achievement while killing a Gilded Baron in TX with Golden Skin and level a 24 Boon of the Hoarder. It seems that it's the one that kills the Goblin who completes the achievemnt... so I'm 2/4 done.
Its who picks up the gold that gets it. Reading through the d3 forums it could be non combat pets or avarice band causing it to go to someone other than you thought.