|Basic Primal Units|
- Primal Zergling attack damage increased from 7 to 10.
- Primal Roach life regeneration rate while burrowed increased from 5 to 10.
- Muscular Augments (Hydralisk speed) research cost decreased from 150/150 to 50/50.
- Brutal Charge research cost decreased from 100/100 to 50/50.
- Primal Ultralisk HP increased from 500 to 625.
- The Dissolving Acid upgrade now increases the Ravasaur's bonus damage vs. armored to 15, up from 5.
- The Enlarged Parotid Glands upgrade now increases the Ravasaur's movement speed from 2.25 to 3 in addition to its current functionality.
- Primal Igniter life regeneration rate while burrowed increased from 5 to 10.
- Primal Igniter base HP increased from 300 to 350.
- Primal Igniter base armor increased from 2 to 3.
- Impaler Tenderize damage increased from 100 to 200.
- Impaler Tenderize reduces Dehaka's Devour cooldown by 75%, up from 50%.
- Primal Mutalisk damage decreased from 18/6/2 to 14/5/2. Upgrade bonuses adjusted accordingly.
- Slicing Glaive now provides +100% increased damage vs. air, up from 50%. Base damage increased from 27 to 28.
- Tyrannozors now benefit from the Healing Adaptation upgrade, which allows them to regenerate life quickly when out of combat.
- Psionic Attribute added to Ravens, Raven Type-IIs, and Theia Ravens.
- Psionic Attribute added to the Science Vessel (Including Swann's).
- Psionic Attribute added to Brood Queens (Including Stukov's).
- Dakrun HP increased from 3000 to 4000.
- Dakrun Greater Spiked Hide return damage increased from 10 to 20.
- Devour Buff Duration Mastery increased from 1% per point to 3% per point. Maximum benefit increased from 30% to 90%.
- Greater Primal Wurm Cooldown Mastery increased from 1% per point to 1.5% per point. Maximum benefit increased from 30% to 45%.
- Gene Mutation Chance Mastery increased from 1% per point to 2% per point. Maximum benefit increased from 30% to 60%.
- Dehaka's leap will now damage neutral targets, such as rocks.
- Dehaka gains high-ground vision upon hitting level 10.
- Dehaka's uprooted Primal Wardens and Primal Hives are no longer included in all-army selection.
- Units in primal combat now have a rally button and ability.
- Impaler damage bonus per weapon upgrade increased from +4(+5 vs armored) to +4(+6 vs armored).
- Primal Guardian damage bonus per weapon upgrade decreased from +5 to +4.
- Dehaka's calldowns now benefit from weapon and armor upgrades.
- Mothership base damage increased from 6x6 to 38x6, matching its Legacy of the Void campaign stats.
- Mothership range increased from 2 to 7, matching its Legacy of the Void campaign stats.
- Fixed a bug where Alarak's Mothership was gaining too much damage per upgrade. Mothership damage bonus per weapon upgrade changed to +4, down from +7.