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

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

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

Melee kills heal 1 Health and 0.1 Trauma.

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

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

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

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

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

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

+ 5 Health + 10% Melee Stamina Efficiency + 20% Melee Attack Speed + 10% Bow Stamina Efficiency + 20% Bow Attack Speed

1 Additional Frag Grenade spawns in each map.

Your Temporary Health decays 20% slower. 1 Additional Pain Meds spawns in each map. + 5% Health

When you or your team kills a Mutation, gain 10 Copper (up to 300 per level).