Some of the hardest bosses in the Dawn of the Infinites Megadungeon have been massively nerfed on the Patch 10.1.5 PTR. Note: There may be more health nerfs throughout the instance but we are unable to verify this at the moment. Patch 10.1.5 Megadungeon Boss Preview
ChronikarThis boss has received some massive nerfs, completely removing the majority of threat on this encounter. Everything was nerfed on this encounter and pretty much all the ways that you can wipe on this encounter have been removed except for one. Previously, you would take 80% of your health on a single Withering Sandpool — now you can basically just double stack them if you really want to. Getting hit by a projectile doesn't do your entire health pool and the healing absorb and damage amp of Chronoshear has been massively reduced. On top of that, his health pool was reduced by around 25% as well. When we wrote that the megadungeon is hard, this was one of those bosses and unfortunately, this boss probably isn't that hard anymore, especially with the ability to overgear it on live servers.
Health reduced by ~25% to 27.6 Million Chronoshear Damage reduced by 50% to 554,056 Physical Damage. Healing absorb reduced by 70% to 817,941 (was 2.7 Million). This still appears to be bugged and absorbing 3x more than the Dungeon Journal says.Eon Fragments
Damage reduced by 50% to 277,208 Arcane Damage. Amount of time to catch increased to 4 seconds (was 3.5 seconds).Eon Residue damage reduced by 57% to 66,487 Arcane Damage.Sand Stomp cast time increased to 4 seconds.Sheared Lifespan damage amp reduced to 200% damage taken (was 600%).Withering Sandpool
Initial damage reduced by 50% to 221,622 Arcane damage. Standing in the pool reduced by 40% to 132,973 Read more on wowhead.com