This Patch 9.2 PTR build contains additional class and spell changes which includes buffs to Death Knight's Abomination Limb. Ashen Hallow also appears to be nerfed, however this has been confirmed to be an erroneous tooltip change and not actually adjusted on the PTR.
Patch 9.2 PTR Build 41727 DataminingHall of Fame Titles Updated Double Legendaries Require Reputation on PTR No Tier Tokens in Sepulcher Learn & Upgrade All Conduits to 278 Class & Spell Tuning ChangesTier Set Tuning — Demon Hunter, Death Knight, & Warlock Covenant Ability Tuning — Abominations Limb & Ashen Hallow ModelsSylvanas & Tyrande Models Class ToolsBloodTalentsFrostTalentsUnholyTalentsSoulbind Conduits (3)
(Potency Conduit) When a Festering Wound bursts the cooldown of Apocalypse is reduced by 0.5 sec.1.0 sec. Festering Wound damage is increased by 15.0%. Effect #2 Effect #2 Apply Aura: Dummy Modifies Buff Duration Value: 510 NEW Effect #1 Apply Aura: Add Modifier — % Modifies Damage/Healing Done Value: 15% Affected Spells:Rank changes:
0.50.60.60.70.70.80.80.80.90.91.01.11.11.11.215.0%16.5%18.0%19.5%21.0%22.5%24.0%25.5%27.0%28.5%30.0%31.5%33.0%34.5%36.0%(Potency Conduit) Sudden Doom increases the damage of your next Death Coil by 35.0%40.0%. Rank changes:
35.0%38.5%42.0%45.5%49.0%52.5%56.0%59.5%63.0%66.5%70.0%73.5%77.0%80.5%84.0%40.0%44.0%48.0%52.0%56.0%60.0%64.0%68.0%72.0%76.0%80.0%84.0%88.0%92.0%96.0%(Potency Conduit) Dark Transformation's duration is increased by 3 sec and your Minion damage is increased by 3.0%6.0%.
Effect #1 Apply Aura: Mod Pet Damage % Modifies Damage/Healing Done Value: 36Rank changes:
3.0%3.3%3.6%3.9%4.2%4.5%4.8%5.1%5.4%5.7%6.0%6.3%6.6%6.9%7.2%6.0%6.6%7.2%7.8%8.4%9.0%9.6%10.2%10.8%11.4%12.0%12.6%13.2%13.8 Read more on wowhead.com