NTE Blow up the Crowd Arc guide.

Increases the active character's ATK by 10% while the wearer is off-field, and increases the active character's ATK by 2% when the wearer deals damage, up to 4 stacks and triggering at most once every 2s. Resets the effect when the wearer becomes the active character. Increases Psyche DMG by 12% while the wearer is the active character, and increases Psyche DMG by 2% when dealing Psyche DMG with a Basic Attack, up to 10 stacks. Triggers at most once every 0.3s. Resets the effect when switching characters.