Reach the indicated level in your online career to unlock the corresponding upgrade.

Lurker Execution Attack Damage Increase: Level 27
Lurker Health Increase: Level 43
Lurker Melee Damage Increase: Level 15
Lurker Range Damage Increase: Level 3
Pack Execution Attack Damage Increase: Level 18
Pack Gets Out of Stasis Faster: Level 48
Pack Health Increase: Level 31
Pack Melee Damage Increase: Level 6
Puker Execution Attack Damage Increase: Level 24
Puker Health Increase: Level 58
Puker Melee Damage Increase: Level 39
Puker Ranged Damage Increase: Level 12
Spitter Execution Damage Increase: Level 9
Spitter Health Increase: Level 53
Spitter Melee Damage Increase: Level 21
Spitter Ranged Damage Increase: Level 35