In this first Patch 10.1 PTR build, all the Season 2 Mythic+ dungeons received tuning which includes nerfs to Brackenhide Hollow and Halls of Infusion. As a reminder the Season 2 Mythic+ dungeons are:
Halls of Infusion Brackenhide Hollow Uldaman: Legacy of Tyr Neltharus Neltharion's Lair Freehold Underrot Vortex Pinnacle 72989 Nature damage inflicted over 9 sec. Effect #1 Effect #1 Apply Aura: Periodic Damage: Modifies Damage/Healing Done Value: 11.03784 (SP mod: 1) Difficulty: 25 PlayerUsed by NPC: Turbulent SquallStrikes an enemy with a lightning bolt that arcs to another nearby enemy. The spell affects up to 5 targets, inflicting less Nature damage to each successive target.
NEW Effect #1 School Damage Value: 15 (SP mod: 1) Difficulty: Mythic KeystoneUsed by NPC: AsaadInflicts 10465688169 Frost damage to enemies in a cone in front of the caster.
NEW Effect #2 School Damage Value: 40 Difficulty: Mythic KeystoneCast Time changed from 2 sec cast to 2.5 sec cast Used by NPC: AltairusBlasts an enemy with lightning, inflicting Nature damage.
Effect #1 School Damage Value: 14.3397 Effect #1 School Damage Value: 16.9812 Difficulty: Heroic Effect #1 School Damage Value: 16.9812 Difficulty: 25 Player NEW Effect #1 School Damage Value: 12 Difficulty: Mythic KeystoneCast Time changed from 1.5 sec cast to 3 sec cast Used by NPC: Grand Vizier ErtanRoots all enemy targets to the ground for 18 sec. Cast Time changed from 1.3 sec cast to 2.5 sec cast Used by NPC: AsaadDuration changed from 300 sec to 90 sec Used by NPC: Grand Vizier Ertan
Chargath lunges at a random player striking them for 44084 Physical damage and causing them to bleed for an additional 1719316532 Physical damage every 2 sec. for 14 sec. Chargath lunges Read more on wowhead.com