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

At the start of each level, heal 15 Trauma Damage, then restore any missing Health.

+ 15% Stamina + 25% Weapon Swap Speed + 15% Move Speed while firing + 10% Slow Resistance

Kills with Melee weapons have a 5% chance to spawn ammo or Razor Wire.

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.

Your team heals 15 Health, 7 Trauma Damage and refills 10% Ammo at the start of each level.

Melee kills heal 1 Health and 0.1 Trauma.

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

+ 20% Stamina + 20% Stamina Regen + 3% Move Speed + 5 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

+ 1 Extra Life + 15 Health + 25% Bleed out Resistance

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

Take 1 less damage from all Ridden.

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