If the character has Shield Mastery, the damage from each hit increases.
The character quickly strikes a target four times, but dealing reduced damage with each hit. The last strike is a critical hit if it connects, knocking the target down unless it passes a physical resistance check. The first two hits inflict normal damage. The character lashes out with the shield three times. Shield Mastery adds an additional attack with the shield. If the target fails a physical resistance check, it is stunned. The character follows up an attack with two hits from the shield, dealing normal damage with each attack. The character shield-bashes a target, dealing normal damage as well as knocking the target off its feet unless it passes a physical resistance check.