Perform up to three attacks forward, dealing Ether damage . During the 3rd-hit, hold Basic Attack to charge, drawing enemies in and expanding the attack range for a stronger attack. After using other skills, hold Basic Attack to initiate the 3rd-hit directly.

Astra Yao moves, skills and special abilities
Astra Yao: S, Ether, Support. Faction: Stars of Lyra.
Basic Attacks
4While in the Idyllic Cadenza state, press Basic Attack — Release Tremolo forward to attack, dealing Ether damage . A Quick Assist will be triggered when this skill hits an enemy.
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While in the Idyllic Cadenza state, press Basic Attack during a Perfect Dodge — Launch multiple Tremolo attacks at enemies in front, dealing massive Ether damage . A Quick Assist will be triggered when this skill hits an enemy. The action includes invulnerability.
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While in the Idyllic Cadenza state, hold Basic Attack — Release Tremolo forward to attack, dealing Ether damage and exit the Idyllic Cadenza state. Upon activation of the skill, it grants the buff from Core Passive: " Graceful Andante ". With enough Energy, consumes Energy to follow up with 1 Tremolo and 3 Tone Clusters . This Tremolo attack released is considered an EX Special Attack .
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Dodge
3A quick dash dodge. The action includes invulnerability.
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Press Basic Attack during a dodge — Attack ahead, dealing Ether damage . When triggered, dragging the movement input allows movement in the corresponding direction.
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Press Basic Attack during a Perfect Dodge — Attack enemies in front, dealing Ether damage . The action includes invulnerability.
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Assist
3When the active character is launched, press Assist — Attack enemies in front, dealing Ether damage . The action includes invulnerability.
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When the on-field character is about to be attacked, press Assist — Dodges the enemy's attack and activates Vital View . The action includes invulnerability.
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Press Basic Attack after an Evasive Assist — Release an energy beam forward, dealing Ether damage . The action includes invulnerability.
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Special Attack
3Quickly move away, then release Tremolo , dealing Ether damage , and enter the Idyllic Cadenza state. During activation, dragging the movement input enables movement in the direction held. Hold Special Attack to charge during activation, drawing enemies in, and follow up with 1 to 4 Tremolos depending on the charge duration. A Quick Assist will be triggered when this skill hits an enemy. Character is invulnerable when quickly moving away.
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After entering the Idyllic Cadenza state, Astra Yao increases all squad members' damage by 9% and CRIT damage by 8.5% . While in the Idyllic Cadenza state, Astra Yao cannot move, but pressing Basic Attack will activate Basic Attack: Interlude , and pressing Dodge will activate a dodge. After triggering a Perfect Dodge , press Basic Attack to activate Basic Attack: Chorus . While in this state, Astra Yao's Anti-Interrupt Level is increased, and the damage she takes is reduced by 40%. After switching to another character, Astra Yao will remain on the field and become Invulnerable. When switching back to her, she will automatically follow up with Special Attack: "Windchimes & Oaths" .
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For every 25 Energy, Astra Yao will have 1 Chord . While in the Idyllic Cadenza state, when Astra Yao has Chords , a Quick Assist can be triggered in the following situations: · When the active character's attack hits an enemy, once per 3s. · When the active character's heavy attack hits an enemy, once per 1s. When other squad members switch in through a Quick Assist , Chain Attack , Defensive Assist , or Evasive Assist , Astra Yao will consume 25 Energy and release 1 Tremolo to attack. This Tremolo attack released is considered an EX Special Attack .
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Chain Attack
2When a Chain Attack is triggered, select the character — Use song to channel energy into a blast, dealing massive Ether damage . The action includes invulnerability. After the skill, Astra Yao enters the Idyllic Cadenza state.
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When Decibel Rating is at Maximum , press Ultimate — Use song to channel energy into a blast, dealing massive Ether damage , and restoring 200 HP to all squad members. The action includes invulnerability. After the skill, Astra Yao enters the Idyllic Cadenza state. After the skill, the next two Quick Assists will be replaced by Chain Attacks .
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Core Skill
2During the Idyllic Cadenza state, when other squad members switch in through a Quick Assist , Chain Attack , Defensive Assist , or Evasive Assist , and when Astra Yao expends Energy to release Tremolo to attack, both Astra Yao and the incoming character's ATK are increased. The increase is equal to 22% of Astra Yao's initial ATK, up to a maximum of 1,200. The effect lasts for 20s and can be extended up to 30s with repeated triggers.
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When another character in your squad is an Attack or Anomaly character: When Energy is consumed to trigger a Precise Assist or Basic Attack: Finale , Astra Yao will additionally follow up with 1 Tremolo and 3 Tone Clusters .
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Mindscape Cinema
6When Astra Yao's attack hits an enemy, the target's All-Attribute RES is reduced by 6%, stacking up to 3 times and lasting 30s. Repeated triggers refresh the duration. Upon entering the battlefield, Astra Yao immediately gains 1,000 Decibels. When activating her Ultimate , all squad members gain 1 stack of Song of Protection for 60s. When attacked by an enemy, consume Song of Protection , granting Invulnerability for 1s.
Requirements / unlock: Mindscape Cinema 1
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The ATK buff from Core Passive: "Graceful Andante" is further increased by 19%, with an increased maximum of 400. While in the Idyllic Cadenza state, when other squad members switch in through a Quick Assist , Chain Attack , Defensive Assist , or Evasive Assist , Astra Yao will additionally follow up with 1 Tremolo and 3 Tone Clusters to attack. This effect can trigger once every 3s.
Requirements / unlock: Mindscape Cinema 2
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Basic Attack , Dodge , Assist , Special Attack , and Chain Attack Lv. +2.
Requirements / unlock: Mindscape Cinema 3
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After activating a Chain Attack or Ultimate , within 15s, Astra Yao can trigger a Quick Assist even if she does not have Chords . When the attack hits an enemy, the interval for triggering a Quick Assist is reduced to 1s. While in the Idyllic Cadenza state, when other squad members enter the field via a Quick Assist , they will receive different buffs based on their specialty, and this effect can be triggered once every 3s for the entire squad: Attack : The next Quick Assist heavy attack on an enemy will deal extra damage equal to 300% of Astra Yao's ATK;
Requirements / unlock: Mindscape Cinema 4
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Basic Attack , Dodge , Assist , Special Attack , and Chain Attack Lv. +2.
Requirements / unlock: Mindscape Cinema 5
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While in the Idyllic Cadenza state, the damage multiplier for Tremolo and Tone Clusters released or followed up with will increase to 200% of the original, and CRIT Rate is increased by 80%. When triggering a Precise Assist , Astra Yao will automatically follow up with the charged 3rd-hit of Basic Attack: "Capriccio" , with a 80% increased CRIT Rate. This effect can trigger once every 10s.
Requirements / unlock: Mindscape Cinema 6