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.
70-100% Critical Weak Spot Damage.
Immune to Ranged Attacks for 0.6-1.2s on Weak Spot Hit.