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.

Pain Meds you apply also grant + 25% Damage for 60 seconds.

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.

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

+ 12% Move Speed + 15% Sprint Speed When you take damage, you lose the benefits of Run like Hell for 3 seconds.