When you use a Medical Accessory, the target gains + 10% Maximum Health, Stamina, and Stamina Regen until the end of the level.

Precision Kills grant 5% Reload Speed for 5 seconds (stacking up to 10 times).

Every 0.75 seconds you Aim Down Sights increases your Bullet Damage by 10% (up to 3 stacks).

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

Gain a stacking 4% increase to Damage each time a Horde is called up to 6 stacks (30-second cooldown between Hordes). Stacks are reset when a Cleaner is incapped or killed.

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

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

Every 3 seconds, gain + 10 Bash Damage, stacking up to 10 times. All charges are consumed on use.

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

While shooting, gain 1% Damage, 1% Fire Rate, and 5% Swap Speed every 0.25 seconds. Max count of buffs is 20.

Each bullet hit causes the target to take 1% increased damage for 3 seconds (stacks up to 15%)

Every 0.75 seconds you Aim Down Sights gives 10% Recoil Control (up to 3 stacks). + 80% Aim Speed - 50% ADS Move Speed

Every 0.75 seconds you Aim Down Sights gives 5% Weakspot Damage (up to 3 stacks). + 50% Aim Speed - 5% Damage Resistance