Astra Yao - Harmonic Echo

During Idyllic Cadenza, increases CRIT Rate of all squad members by 20%. When CRIT Rate reaches 100%, each 1% over 100% will increase CRIT DMG by 2%, up to 100%. When the active character hits enemies with EX Special Attack, Astra Yao will recover 1 Energy and launch an additional Tremolo attack. This effect can trigger once every 1s.