PEN and PEN Ratio : PEN is an abbreviation for Penetration. This stat gives the Agent’s damage the ability to pierce through the enemy’s defense. The PEN Ratio gauges the percentage of penetration on each en Unlike Anomaly Proficiency, Anomaly Mastery accelerates Attribute Anomaly’s replenishment. Each Anomaly Mastery point contributes 1% toward Attribute Anomaly buildup, resulting in more frequent triggers of this att Attribute Anomaly is a special debuff that each character can perform based o...