You cannot CC them - they are immune to everything. Essentially, with their stacking vulerability AOE dot that hits the entire party they are worse than doom reapers.
Doom reapers are selected in high level reaper only - they dont show up in low level reaper quests - meaning you can avoid doom reapers by doing mid to low reapers -
You CANNOT avoid these hounds - even speed running as people are posting, hounds are showing up after 3 minutes in a quest - its complete nonsense-
I had a plan to do a 5k video series for my youtube channel and then to do RXP farming videos and content on the new race regarding hardcore builds, etc, and to make build videos and guides for quests but all the wind is gone from my sails
This is not a 'reapercore' server it is a hardcore