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

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

When you use a Medical Accessory, the target heals for an additional 20 Health over 30 seconds.

When you use a Medical Accessory, all teammates heal for 8 Health.

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

+ 50% Revive Speed When you use a Medical Accessory, it also heals 1 Trauma to the target.

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

When you take a single hit for 15 or more damage, heal 10 health over 5 seconds.

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

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

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

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

Melee kills heal 1 Health and 0.1 Trauma.