Two guys in our group are speced out with all the toughness possible. One has 4 pieces of ascended gear and the other has Ghastly armor with toughness. We have tried the colossus and the ghost eater. With the colossus we get to about 85% and die because we can not keep the monsters off of the collectors. With the ghost eater we load a trap, we do all the damage we can in 15 seconds and then before we ever the the next one loaded the boss has regenerated all of his heal and we end up going in circles for about 3-4 loads. The best we did with the ghost eater is that we got is half of the way dead in 15 seconds and with the other trap already loaded he regenerates before we can get him on the trap. Sometimes he even glitches and gets stuck on one trap and we can not get him to move. Plus with all the AoE rings our tanks do not last long at all. This used to be the easiest boss, now he is unbeatable. On the third path the burros are hidden behind a wall that makes it invisible so by the time we kill what we think is half the burros the NPC is dead. We have to get extremely close the them to be able to see them. I have lost track of how many times I have tried these paths.
They need to fix it. This is a lvl 35 dungeon for freaks sake. Not a lvl 80. If it was 80 I would totally understand. But its 35.