After you kill a Mutation, the next time you damage a Mutation is guaranteed to cause them to Stumble.
+5% Stumble Damage
+ 30% Shotgun Ammo Capacity + 10% Damage with Shotguns
When using Shotguns, gain 0.25 Temporary Health for each pellet that hits.
+ 40% Reload Speed with Shotguns.
Heal 1 Temporary Health whenever you kill a Ridden within 2.5 meters.
While crouching you neither take nor deal Friendly Fire damage. + 10 Health
+ 25% Damage - 30% Health
Melee kills heal 1 Health to yourself, and teammates within 10 meters.
Each Melee kill grants 5% Melee Damage, 5% Melee Speed and 5% Move Speed for 3 seconds.
+ 20% Melee Damage against Mutations When you deal Melee damage to a Mutation heal 2 Health and recover 3 Stamina.
Melee kills heal 1 Health and 0.1 Trauma.
+ 15% Melee Stamina Efficiency + 20% Melee Attack Speed + 15% Bow Stamina Efficiency + 20% Bow Attack Speed
+ 5 Health + 10% Melee Stamina Efficiency + 20% Melee Attack Speed + 10% Bow Stamina Efficiency + 20% Bow Attack Speed
+ 20% Team Bolstered Health + 5 Team Health
When you or your team kills a Mutation, gain 10 Copper (up to 300 per level).