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

+ 7.5% Bullet Damage + 200% Bullet Penetration

+ 15% Reload Speed + 25% Aim Speed + 25% Weapon Swap Speed + 25% Use Speed

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

+ 20% Reload Speed + 25% Weapon Swap Speed

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

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

+ 100% Fire Damage Kills with fire grant you 3 Temporary Health. You can sense flammable objects nearby.

Your secondary weapons have unlimited ammo. Your secondary weapons reload 20% slower.

+ 25% Damage - 30% Health

+ 75% Use Speed - 5% Damage Resistance

+ 20% Trauma Resistance

Kills from greater than 15 meters grant 5 Temporary Health to teammates within 15 meters of the target.

When a teammate within 15 meters receives Trauma Damage, gain 10% of that amount as Trauma Health.