Zenless Zone Zero Astra Yao is an S-Rank support Agent and popular idol, affiliated with the Stars of Lyra. After surviving the tragic Hollow Zero incident as a child, she found strength in music and the final words of a heroic rescuer. Zenless Zone Zero Astra Yao performances uplift others, blending hope with power. Signed under Odeum HAE, she channels Ether energy through her massive mic, supporting allies in battle while inspiring fans across New Eridu with her resilience and voice.
Astra Yao Build
Ether
Support
Stars of Lyra
HP
8609
ATK
715
DEF
600
Impact
83
Mastery
93
Proficiency
92
Astra Yao Best Disk Drives Gear
Astral Voice
Swing Jazz
Hormone Punk
Astra Yao Best W-Engines Weapons

Elegant Vanity

Kaboom the Cannon

Bashful Demon

The Vault
Astra Yao Best Bangboo

Avocaboo
Disk 4: ATK%
Disk 5: ATK%
Disk 6: Energy Regen
ATK%
Anomaly Proficiency
PEN Ratio
Zenless Zone Zero Astra Yao Guide: Astra Yao’s Skills
Capriccio
Basic Attack
Perform up to three attacks forward, dealing Ether DMG.
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.
Interlude
Basic Attack
Release Tremolo forward to attack, dealing Ether DMG.
A Quick Assist will be triggered when this skill hits an enemy.
Chorus
Basic Attack
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.
Finale
Basic Attack
Release Tremolo forward to attack, dealing Ether DMG 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.
Mini Waltz
Dodge
A quick dash dodge.
Character is invulnerable while using this skill.
Lunar Eclipse Melody
Dash Attack
Attack ahead, dealing Ether DMG.
When triggered, dragging thestick/joystick allows movement in the corresponding direction.
Umbrella Waltz
Dodge Counter
Attack enemies in front, dealing Ether DMG.
Character is invulnerable while using this skill.
Windchimes & Oaths
Special Attack
Quickly move, then release Tremolo, dealing Ether DMG, and enter the Idyllic Cadenza state.
During activation, dragging the stick/joystick 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 while using this skill.
Idyllic Cadenza
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 to Basic Attack activate Basic Attack: Chorus.
While in this state, Astra Yao’s Anti-Interrupt Level is increased, and the DMG 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.
During this state, hold Basic Attack to activate Basic Attack: Finale, or hold Dodge to exit the Idyllic Cadenza state.
Chord
While in the Idyllic Cadenza state, when Astra Yao has Chords, a Quick Assist can be triggered in the following situations:
When the controlled character’s attack hits an enemy, once per 3s.
When the controlled character’s heavy attack hits an enemy, once per 1s.
When other characters in the squad 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.
After triggering a Quick Assist, quickly press Assist to switch characters and trigger a Precise Assist, causing Astra Yao to follow up with 3 Tone Clusters to attack. When other squad members switch in through a Chain Attack, Defensive Assist, or Evasive Assist, it will automatically trigger a Precise Assist.
Tipsy Concerto
Chain Attack
Use song to channel energy into a blast, dealing massive Ether DMG.
Character is invulnerable while using this skill.
After the skill, Astra Yao enters the Idyllic Cadenza state.
Fantasian Sonata
Ultimate
Use song to channel energy into a blast, dealing massive Ether DMG, and restoring some HP to all squad members.
Character is invulnerable while using this skill.
After the skill, Astra Yao enters the Idyllic Cadenza state.
After the skill, the next two Quick Assists will be replaced by Chain Attacks.
One Luminous Sky
Quick Assist
Attack enemies in front, dealing Ether DMG.
Character is invulnerable while using this skill.
Two Hearts
Evasive Assist
Dodges the enemy’s attack and activates Vital View.
Character is invulnerable while using this skill.
Three Lifetimes of Fate
Assist Follow-Up
Release an energy beam forward, dealing Ether DMG.
Character is invulnerable while using this skill.
Graceful Andante
Core Passive
During the Idyllic Cadenza state, when other characters 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.
Moonlit Frenzy
Additional Ability
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.
Zenless Zone Zero Astra Yao Guide: Astra Yao’s Talents
12-Tone Equal Temperament
A
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 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.
Art of Greed
B
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 characters 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.
Interwoven Staff Notation
C
Basic Attack, Assist, Dodge, Special Attack, and Chain Attack Lv. +2.
Hair Upon Your Nape
D
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 characters 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 DMG equal to 300% of Astra Yao’s ATK; Anomaly: The next Quick Assist will have 50% increased Anomaly Buildup; Stun: The next Quick Assist will inflict 50% increased Daze.
Proxy and Silk String
E
Basic Attack, Assist, Dodge, Special Attack, and Chain Attack Lv. +2.
We Are the World
F
While in the Idyllic Cadenza state, the DMG 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.
Zenless Zone Zero Astra Yao Guide: Core Skill Enhancement
![]() | Requires: Agent Level 15 | Base Energy Regen increases by 0.12/s Core Passive: “Graceful Andante” Skill Lv. +1 | x6,000 |
![]() | Requires: Agent Level 25 | Base ATK increases by 25 Core Passive: “Graceful Andante” Skill Lv. +1 | x2 x12,000 |
![]() | Requires: Agent Level 35 | Base Energy Regen increases by 0.12/s Core Passive: “Graceful Andante” Skill Lv. +1 | x4 x28,000 |
![]() | Requires: Agent Level 45 | Base ATK increases by 25 Core Passive: “Graceful Andante” Skill Lv. +1 | x2 x9 x60,000 |
![]() | Requires: Agent Level 55 | Base Energy Regen increases by 0.12/s Core Passive: “Graceful Andante” Skill Lv. +1 | x3 x15 x100,000 |
![]() | Requires: Agent Level 60 | Base ATK increases by 25 Core Passive: “Graceful Andante” Skill Lv. +1 | x4 x30 x200,000 |
Zenless Zone Zero Astra Yao Guide: Stats & Promotions
| Promotion Level | Level | Base HP | Base ATK | Base DEF | Promotion Costs |
|---|---|---|---|---|---|
| 0 → 1 | 1/10 | 692 | 103 | 48 | x24,000 x4 |
| 10/10 | 1,537 | 156 | 106 | ||
| 1 → 2 | 10/20 | 2,012 | 193 | 139 | x56,000 x12 |
| 20/20 | 2,951 | 253 | 205 | ||
| 2 → 3 | 20/30 | 3,426 | 290 | 238 | x120,000 x20 |
| 30/30 | 4,366 | 350 | 304 | ||
| 3 → 4 | 30/40 | 4,841 | 386 | 337 | x200,000 x10 |
| 40/40 | 5,780 | 446 | 402 | ||
| 4 → 5 | 40/50 | 6,255 | 483 | 436 | x400,000 x20 |
| 50/50 | 7,194 | 543 | 502 | ||
| 5 (Final) | 50/60 | 7,669 | 580 | 535 | — |
| 60/60 | 8,609 | 640 | 600 |
Zenless Zone Zero Astra Yao Guide: Asta Yao’s Team
| Team | Bangboo | ||
Astra![]() | Billy![]() | Anby![]() | Avocaboo![]() |
![]() | ![]() | ![]() |
| Bangboo Alternatives |
Bagboo![]() | Sumoboo![]() |
Exploreboo![]() |
Zenless Zone Zero Astra Yao Guide: Conclusion
Zenless Zone Zero Astra Yao stands out as both a powerful support Agent and a symbol of resilience. Her journey from tragedy to stardom adds emotional depth to her character, while her Ether-based support skills make her a valuable ally in combat. Whether on stage or in the Hollow, Astra shines with purpose, offering both strength and hope to those around her. Zenless Zone Zero Astra Yao is more than an idol—she’s an inspiration in the chaos of New Eridu.
Frequently Asked Questions (F.A.Qs)
❓When did Astra become playable?
Zenless Zone Zero Astra Yao was teased in version 1.3 and made fully playable during version 1.5 in January 2025. Her banner, “Thousand Melodies,” marked her official debut as an S-Rank Ether support Agent in the game.
❓Is Astra meta in Zenless Zone Zero?
Yes. Zenless Zone Zero Astra Yao is considered a top-tier Ether support with strong team-wide buffs. She fits nearly every composition due to her utility and limited competition among S-Rank support Agents in the current meta.
❓How does her support kit work?
Zenless Zone Zero Astra Yao enhances allies when they assist or chain in. She grants damage buffs, energy regen, shields, and crowd control resistance. Her presence boosts both physical and anomaly-type agents in team-oriented compositions.
❓What weapon does Astra Yao use?
Zenless Zone Zero Astra Yao uses a giant microphone-style wand infused with Ether energy. It amplifies her supportive abilities, healing and boosting allies while striking enemies with harmonic force in her stylish performance-based combat style.

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