Hitting a non-defending unit with [Dual Blades: Light Attack] inflicts one stack of Vulnerability. The damage …
Hitting a non-defending unit with [Dual Blades: Light Attack] inflicts one stack of Vulnerability. The damage taken debuff is reduced from 2.5% to 2% per stack, and the max stack limit is reduced from 4 to 3. For Legendary Attuning, the damage taken modifier remains unchanged, but the max stack limit is also reduced to 3.