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

+ 10% Weakspot Damage Allows players to see values for damage they deal and enemy health bars.

+ 7.5% Bullet Damage + 200% Bullet Penetration

+ 100% Stamina Regeneration - 50% Maximum Stamina

+ 30% Weakspot Damage - 5% Damage Resistance

+ 30% Accuracy

+ 50% Weakspot Damage - 40% Move Speed while shooting or melee attacking.

+ 25% Damage - 30% Health

Precision Kills with guns grant + 0.5% Accuracy until the end of the level.

+ 20% Weakspot Damage

Each Precision Kill gives 5% increased Weakspot Damage for 10 seconds.

+ 10% Bullet Damage + 15% Effective Bullet Range

+ 30% Sniper Ammo Capactity + 10% Damage with Sniper Rifles

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

+ 40% Move Speed while aiming down sights with Sniper Rifles.