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.

Precision Kills have a 20% chance to cause Ridden to explode, dealing 15 damage to other Ridden within 4 meters.

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

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

+ 50% Accuracy DISABLES: Aim Down Sights

+ 50% Reload Speed DISABLES: Aim Down Sights

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

When you or your team kills a Mutation gain 1% damage (up to 15%) until the end of the level.

+ 10% Bullet Damage + 15% Effective Bullet Range

+ 4% Move Speed while using an SMG. + 35% Reload Speed while using an SMG.