Level 1:

Regeneration Master: Collecting regeneration globes permanently increases health regeneration by 1.5 per second.

Leeching Strike: Every fifth basic attack awards you 1 Essence.

Savage Spawn: Spawns' basic attacks cleave to nearby enemies.

Ambush: Increase the duration of the stun from Primal Leap to 1.5 seconds.

Level 4:

Amplified Healing: Increases regeneration effects and all healing received by 30%.

Easy Prey: Gain 2 Essence when you hit a hero with Grab. This bonus Essence is doubled for eachÂ consecutiveÂ Grab you land and is reset when you miss.

King Of The Jungle: You take 25% less damage from all sources for 1.5 seconds after using Primal Leap.

Apex Predator: Primal Leap deals 200% damage to minions and mercenaries.

Level 7:

Battle Momentum: Basic attacks reduce ability cooldowns by 0.5 seconds.

Reconstitute: Consume 10 Essence, healing yourself for 10% of your health over 10 seconds. The Essence consumed does not count towards your total Essence spent. 10 second cooldown.

Feral Zerg: Increase the damage that Spawns deal to minions and mercenaries by 150%.

Survival Of The Fittest: Spawns drop 5 Essence when they die.

Level 10:

Devour: Pounce upon an enemy hero, stunning them for 2 seconds. While they are stunned you deal damage over 2 seconds equal to 1% of their health for every 15 Essence you've spent.

Evolution: Alpha: Unlocks one more Evolution Talent Tree for Dehaka to spend Essence on.

Level 13:

Neurotoxin: Enemy heroes are slowed by 20% for 2 seconds after Drag expires.

Metabolic Boost: Gain 20% movement speed while you have an enemy attached to you with Drag.

Cannibalism: Dehaka heals for 5% of his health over 5 seconds when a Spawn is killed. Does not trigger if they expire.

Feeding Frenzy: Spawn's basic attacks increase their duration by 0.25 seconds.

Level 16:

Imposing Presence: Enemies that attack you have their attack speed slowed by 40%.

Primal Fury: You are unstoppable for 1.5 seconds after using Primal Leap.

Bounty Hunter: Drag can pierce through its first target and grab an additional target.

Grappling Barbs: Increase the duration of Drag by 1 second.

Level 20:

Ravenous: Killing an enemy hero with Devour also resets the cooldown.

Zerus Alpha: Increases the bonuses from unlocked Evolution: Alpha talents to:

- You passively gain 2 Essence every 5 seconds

- Increases your basic attack damage by 0.1% for each point of Essence you've spent.

- You can have 4 Spawn charges.

Bolt Of The Storm: Activate to teleport to a nearby location.

Hardened Shield: Activate to reduce damage taken by 24% for 4 seconds.