Class & Spell Changes Datamined for Phase 4 Season of Discovery Patch 1.15 Launch

wowhead.com:

With the launch of Phase 4 of Season of Discovery, we're hard at work datamining the latest class and spell changes — take a look!

Rune Engraving (1)

• Engrave your chest or robe with the Lone Wolf rune:
  
  You deal 40%35% increased damage with all attacks while you do not have an active pet.
  

Talents (1)

• Increases chance to block by 30% for 10 sec, and deals 95 Holy damage for each attack blocked while active. Damage caused by Holy Shield causes 20% additional threat. Each block expends a charge. Each block expends a charge. 4 charges.
  
  S03 — Tuning and Overrides Passive — All Classes
  Activating Holy Shield also grants you 2 Spell Power for each point of your defense skill beyond (60 * 5). Lasts 15 sec
  
  

Runes (1)

• Effect #1 NEW Effect #3 Apply Aura: Add Modifier — % Modifies Range
  Value: 20%
  Affected Spells:
  

Spells (1)

• Surrounds the caster with fel energy, increasing spell damage and healing by 1 plus additional spell damage and healing equal to 50% of your Spirit. In addition, you regain 2% of your maximum health every 5 sec. Only one type of Armor spell can be active on the Warlock at any time. Lasts 30 min.
  Effect #3 REMOVED Effect #3 Apply Aura: Mod Damage Done Modifies Damage/Healing Done
  Value: 1
  
• NEW Effect #3 Apply Aura: Mod Damage Done
  Value: 1
  
• NEW Effect #5 Apply Aura: Mod Healing Power
  Value: 1
  

• +4 All Resistances.
  Added to Item Set
  Item Set: Blue Dragon Mail: 2 pieces
  Item Set:: 2 pieces
• Allows 15% of your Mana regeneration to continue while casting.
  Added to Item Set
  Item Set: Green Dragon Mail: 3 pieces
  Item Set: Vestments of Transcendence: 3 pieces
  Item Set: Stormrage Raiment: 3 pieces
  Item Set:: 3 pieces

• NEW Physical and Magical damage taken is reduced by 20%.
  Physical and