I think the DoT is out of control on all levels for the mobs. My father and I have given up doing most of the level 120 resource instance scourges and don't do anything more than the bare minimum we can get away with in the instance since the last update because the DoTs are killing us faster than we can heal. I'm a blue line hunter with all the press onward/strength of the earth improvements I can get, running in endurance so I get the quickshot heal. He's a red or yellow line RK with just enough blue to heal (exact line depends on his mood).

Last night Deep Wound from the rangers was doing over 9k damage every 2 seconds to me in Oinsbridge. At one point, I just keeled over due to "misadventure." Any of the drakes in Withered Heath or Thikul-Gundu do massive damage as well, though I didn't see the name of the DoT they were applying. Prior to the last update this week, we had no issues clearing the instances, including the scourges, together. The other night we were fighting a scourge in Thikul-Gundu and Dad planted a healing rock, and stood on it while trying to stun the scourge that is in the back of the instance (not the dwarf with the grims) and he died in seconds. The one in Oinsbridge that spawns in the back has a poison debuff that did us both in because I didn't realize it was killing us so fast and didn't think to remove it until it was too late, but at the time I thought it was a fluke. But I've since come to find out it's not - these mobs have been hitting a lot harder than they had been last week. However the Melee/ranged that don't throw DoTs have no issue. The weathered heath scourge that spawns by the boss, or the troll in glimmerdeep aren't a problem for us to take on. It seems to be only the mobs that frequently use DoTs.