Press [M2] with Melee weapons to perform a Heavy Attack.

Heavy Attacks deal 100% increased damage and expend 50% more Stamina.

+ 20% Melee Damage against Mutations When you deal Melee damage to a Mutation heal 2 Health and recover 3 Stamina.

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

+ 30% Weakspot Damage DISABLES: Aim Down Sights

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

+ 100% Stamina Regeneration - 50% Maximum Stamina

+ 30% Weakspot Damage - 5% Damage Resistance

+ 40% Melee Damage Your Melee Attacks cause cleave through enemies dealing damage in a large area.

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

+ 12% Move Speed + 15% Sprint Speed When you take damage, you lose the benefits of Run like Hell for 3 seconds.

1 Additional Frag Grenade spawns in each map.

Pain Meds you apply also grant + 25% Damage for 60 seconds.

+ 25% Damage - 30% Health

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

+ 20% Weakspot Damage