Barrier Breaker
Barrier Breaker increases damage when hitting certain types of protective bonuses. Specifically, it deals increased damage to:
• Kyrie Eleison
• Safety Wall HP
• Super Armor HP
• Energy Coat SP
• Targets under Devotion
Barrier Breaker also gives you a chance to ignore a target's Auto Guard effect. The pierce chance is equal to the Barrier Breaker amount.
Note that Barrier Breaker does not modify the ATK of a skill when dealing damage to a target's HP.