+ 50% Weakspot Damage - 40% Move Speed while shooting or melee attacking.

When you kill an enemy, gain 5 Stamina instantly and an additional 7 Stamina over 7 seconds, stacking up to 5 times.

Heal 1 Temporary Health whenever you kill a Ridden within 2.5 meters.

Melee kills heal 1 Health and 0.1 Trauma.

Gain + 10% Damage Resistance while you have Temporary Health.

Melee hits always Stumble Ridden the first time they are hit. This effect can only occur once per target.

+ 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 to yourself, and teammates within 10 meters.

When using Shotguns, gain 0.25 Temporary Health for each pellet that hits.

Melee hits cause the target to deal 3% reduced damage, to a maximum of 15% reduced damage.

Melee hits cause the target to take 3% increased damage, to a maximum of 15% increased damage.

Melee hits that destroy Armor have a chance to create usable Makeshift Armor.

+ 15 Melee Damage + 20% Damage Resistance while using a Melee weapon - 15% Ammo Capacity

Kills while at Critical Health recover 1 Health.

Each Melee swing grants 5% Melee Speed and 5% Melee Stamina Efficiency for 6 seconds, stacking up to 10 times. Your Melee Attacks no longer stick in tough enemies. DISABLES: Aim Down Sights

Each Melee kill grants 5% Melee Damage, 5% Melee Speed and 5% Move Speed for 3 seconds.