At the start of the fight, the Attacker's Block Proficiency begins to decay to 0 over 50 seconds and this Defender is Unblockable against enemies with 0 Block Proficiency.
In addition, this Defender gains gains Unstoppable and Stun Immunity for 6 seconds when activating a Special Attack.
The Unstoppable effect is removed prematurely if the player intercepts any Dash or Heavy attack.