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

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

Melee kills heal 1 Health to yourself, and teammates within 10 meters.

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

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

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

+ 15% Damage Resistance + 10 Health DISABLES: Aim Down Sights

Melee kills heal 1 Health and 0.1 Trauma.

+ 20% Melee Damage against Mutations When you deal Melee damage to a Mutation heal 2 Health and recover 3 Stamina.

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.

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

+ 10% Damage Resistance + 5 Health - 20% Stamina Efficiency

While crouching, gain 10% Damage Resistance and 40% Accuracy.

While crouching you neither take nor deal Friendly Fire damage. + 10 Health