The best Astra Yao build in Zenless Zone Zero (Version 3.3) is Elegant Vanity with Astral Voice 4-piece and Swing Jazz 2-piece, ATK% / ATK% / Energy Regen = ATK% main stats. Prydwen's Oct 2026 tier list ranks Astra Yao T0.5.
By ZZZBuildUpdated
Prydwen T0.5 (Support) — Oct 2026
Press the Basic Attack button to activate. Perform up to three attacks forward, dealing Ether DMG. During the 3rd hit, hold to charge, drawing enemies in and expanding the attack range for a stronger attack. After using other skills, hold to initiate the 3rd hit directly.
While in the Idyllic Cadenza state, press the Basic Attack button to activate. Release Tremolo forward to attack, dealing Ether DMG. A Quick Assist will be triggered when this skill hits an enemy.
While in the Idyllic Cadenza state, press the Basic Attack button during a Perfect Dodge to activate. Launch multiple Tremolo attacks at enemies in front, dealing massive Ether DMG. A Quick Assist will be triggered when this skill hits an enemy. Character is invulnerable while using this skill.
While in the Idyllic Cadenza state, hold the Basic Attack button to activate. Release Tremolo forward to attack, dealing Ether DMG and exit the Idyllic Cadenza state. Upon activation, grants Astra Yao 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 is considered an EX Special Attack.
Press the Dodge button to activate. A quick dash dodge. Character is invulnerable while using this skill.
Press the Basic Attack button during a dodge to activate. Attack ahead, dealing Ether DMG. When triggered, dragging the joystick allows movement in the corresponding direction.
Press the Basic Attack button during a Perfect Dodge to activate. Attack enemies in front, dealing Ether DMG. Character is invulnerable while using this skill.
When the active character is launched, press the Switch button to activate. Attack enemies in front, dealing Ether DMG. Character is invulnerable while using this skill.
When the on-field character is about to be attacked, press the Switch button to activate. Dodges the enemy's attack and activates Vital View. Character is invulnerable while using this skill.
Press the Basic Attack button after an Evasive Assist to activate. Release an energy beam forward, dealing Ether DMG. Character is invulnerable while using this skill.
Press the Special Attack button to activate. Quickly move away, then release Tremolo dealing Ether DMG, and enter the Idyllic Cadenza state. Hold to charge during activation, drawing enemies in, and follow up with 1 to 4 Tremolos depending on charge duration. A Quick Assist will be triggered when this skill hits an enemy. Character is invulnerable when quickly moving away.
Idyllic Cadenza: Increases all squad members' DMG by 20% and CRIT DMG by 25%. While in this state, Astra Yao cannot move; pressing Basic Attack activates Interlude, pressing Dodge activates a dodge. After a Perfect Dodge, press Basic Attack for Chorus. Anti-Interrupt Level is increased and DMG taken is reduced by 40%. After switching out, Astra Yao remains on field as Invulnerable.
Chord: For every 25 Energy, Astra Yao gains 1 Chord. While in Idyllic Cadenza with Chords, a Quick Assist can trigger when the active character's attack hits an enemy (once per 3s) or heavy attack hits (once per 1s). When other squad members switch in via Quick Assist, Chain Attack, Defensive Assist, or Evasive Assist, Astra Yao consumes 25 Energy and releases 1 Tremolo (considered an EX Special). After a Quick Assist, quickly pressing Switch triggers a Precise Assist: Astra Yao follows up with 3 Tone Clusters.
When a Chain Attack is triggered, select the character to activate. Use song to channel energy into a blast, dealing massive Ether DMG. A Quick Assist is triggered when this skill hits an enemy. After the skill, Astra Yao enters the Idyllic Cadenza state. Character is invulnerable while using this skill.
When Decibel Rating is at Maximum, press the Ultimate button to activate. Use song to channel energy into a blast, dealing massive Ether DMG, and restoring 2,950 HP to all squad members. A Quick Assist is triggered when this skill hits an enemy. After the skill, Astra Yao enters the Idyllic Cadenza state. The next two Quick Assists will be replaced by Chain Attacks. Before all replacement chances are used, a Quick Assist triggers whenever any squad member hits an enemy with a Chain Attack or Ultimate. Character is invulnerable while using this skill.
During 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 by 35% of Astra Yao's initial ATK (max 1,200). The effect lasts 20s, extendable up to 30s with repeated triggers.
Additional Ability · Moonlit Frenzy
When another character in your squad is an Attack, Anomaly, or Rupture character: when Energy is consumed to trigger a Precise Assist or Basic Attack: Finale, Astra Yao additionally follows up with 1 Tremolo and 3 Tone Clusters.
When 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 reset the duration. Upon entering the battlefield, Astra Yao immediately gains 1,000 Decibels (once every 180s in Investigation Zone Mode). 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 to grant Invulnerability for 1s.
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 additionally follows up with 1 Tremolo and 3 Tone Clusters. This effect can trigger once every 3s.
Basic Attack, Dodge, Assist, Special Attack, and Chain Attack Lv. +2.
After activating a Chain Attack or Ultimate, within 15s, Astra Yao can trigger a Quick Assist even without Chords. When the attack hits an enemy, the Quick Assist interval is reduced to 1s. While in the Idyllic Cadenza state, when other squad members enter via a Quick Assist, they receive specialty-based buffs (once every 3s per squad): Attack — the next Quick Assist heavy attack deals extra DMG equal to 300% of Astra Yao's ATK; Anomaly — next Quick Assist has 50% increased Anomaly Buildup; Stun — next Quick Assist inflicts 50% increased Daze.
Basic Attack, Dodge, Assist, Special Attack, and Chain Attack Lv. +2.
While in the Idyllic Cadenza state, the DMG multiplier for Tremolo and Tone Clusters released or followed up with increases to 200% of the original, and CRIT Rate is increased by 80%. When triggering a Precise Assist, Astra Yao automatically follows up with the charged 3rd-hit of Basic Attack: Capriccio, with 80% increased CRIT Rate. This effect can trigger once every 10s.
