Nordor ice patches, kraken guners and ghost gunners.
Seriously. 6 in a group?
2 can insta kill a rogue and always 6? Hell no.
Ice patches- ur screwed when u use a skill and gets in ice patch and ganged by 10 mobs? Lol
Lastly lag.

Out of my 600 pve deaths these are 99.99% times when i die