Level: 1

1 Pressurized Glands Increases the range of Symbiote's Spike Burst by 25% and decreases the cooldown by 1 second. 2323 50.8% 51.9%

1 Envenomed Nest Toxic Nests deal 75% more damage over 3 seconds and reduce the Armor of enemy Heroes hit by 10 for 4 seconds. 442 9.7% 42.5%

1 Reinforced Carapace Increase the Shield amount of Carapace by 40%. 1078 23.6% 47.4%

1 Survival Instincts Increases Locust's Health by 100% and damage by 60%. 734 16.0% 46.2%

Level: 4

4 Adrenal Overload Heroic Symbiote hosts gain 25% increased Attack Speed. 3150 68.8% 50.3%

4 Needlespine Increases the damage and range of Symbiote's Stab by 20%. 767 16.8% 47.8%

4 Prolific Dispersal Increase the duration of Toxic Nests by 45 seconds, reduce its cooldown by 2 seconds, and add 2 additional charges. 661 14.4% 43.9%

Level: 7

7 Vile Nest Toxic Nests Slow enemy Movement Speed by 40% for 2.5 seconds. 290 6.3% 38.6%

7 Networked Carapace Using Symbiote's Carapace also applies an untalented Carapace Shield to all nearby allied Heroes, Minions, and Mercenaries. 2479 54.2% 50.5%

7 Calldown: MULE Activate to calldown a Mule that repairs Structures, one at a time, near target point for 40 seconds, healing for 90 Health every 1 second. 1803 39.4% 48.6%

Level: 10

10 Ultimate Evolution Clone target allied Hero and control it for 20 seconds. Abathur has perfected the clone, granting it 20% Spell Power, 20% bonus Attack Damage, and 10% bonus Movement Speed. Cannot use their Heroic Ability. 2849 62.7% 48.1%

10 Evolve Monstrosity Turn an allied Minion or Locust into a Monstrosity. When enemy Minions near the Monstrosity die, it gains 2% Health and 2% Basic Attack damage, stacking up to 40 times. The Monstrosity can be healed by Carapace and has the ability to Burrow to a visible location every 80 seconds. Using Symbiote on the Monstrosity allows Abathur to control it, in addition to Symbiote's normal benefits. This Ability can be reactivated to automatically cast Symbiote on his Monstrosity. 1693 37.3% 51.4%

Level: 13

13 Spatial Efficiency Symbiote's Stab gains 1 additional charge and its cooldown is reduced by .5 seconds. 425 9.5% 51.8%

13 Soma Transference Symbiote's Spike Burst heals the host for 64 Health per enemy Hero hit. 3132 70.2% 51.1%

13 Bombard Strain Locust's Basic Attacks become a long-range siege attack and their duration is increased by 75%. 907 20.3% 46.4%

Level: 16

16 Envenomed Spikes Abathur's Symbiote's Spike Burst also Slows enemy Movement Speed by 40% for 2 seconds. 970 23.8% 56.2%

16 Adrenaline Boost Symbiote's Carapace increases the Movement Speed of the target by 40% for 3.5 seconds. 2097 51.4% 54.9%

16 Volatile Mutation Ultimate Evolution clones and Monstrosities deal 137 damage to nearby enemies every 3 seconds and when they die. Enemy Heroes hit heal the clone or Monstrosity for 100% of the damage dealt. 224 5.5% 44.2%

16 Locust Brood Activate to spawn 3 Locusts at a nearby location. 791 19.4% 51.7%

Level: 20

20 Evolutionary Link Increase the duration of Ultimate Evolution by 50%. As long as the Ultimate Evolution is alive, the original target of the clone gains a Shield equal to 35% of their maximum Health. Refreshes every 5 seconds. 246 8.8% 58.9%

20 Evolution Complete Increase Monstrosity's Basic Attack damage by 100%. 145 5.2% 59.3%

20 Hivemind Symbiote creates an additional Symbiote on a nearby allied Hero. This Symbiote mimics the commands of the first, but does half damage and Shielding. 1970 70.1% 65.5%