Hitting an enemy gives them 1-4 stacks of 2.5% Brittleness. Debuff lasts for 5 seconds and can have a maximum of 16 stacks.
Up to 5-20% Strength based on the charge time of your heavy attacks. Stacks 3 times.
Critical Hits spend Ammo from your Reserve instead of you current fuel tank.
Direct hits apply 1-4 Stacks of 1% Brittleness for 5s. Stacks 20 times