Astra Yao build — Best weapons, sets & teams | Zenless Zone Zero

ATK Buffer

W-Engines

Elegant Vanity BiS

S · ATK%

Her signature: ATK% main stat to reach the ATK cap, 5 Energy each time someone switches in (constant with her kit), and up to +20% squad DMG. Her best option, but not a must.

Gains 5 Energy when an agent enters via Quick Assist, Chain Attack, Defensive or Evasive Assist; spending 25+ Energy gives the squad +10% DMG for 20s, up to 2 stacks.

Kaboom the Cannon

A · Energy Regen

Lucy's A-Rank W-Engine at P5, Game8's second pick and used by almost a third of her players: Energy Regen main stat and a squad ATK buff kept up by everyone's hits.

Each squad member landing a hit grants the whole squad ATK +2.5% for 8s, up to 4 stacks.

Bashful Demon

A · ATK%

Soukaku's A-Rank W-Engine at P5, Prydwen's second pick: ATK% main stat, and her Tremolos stack its squad ATK buff easily.

Ice DMG +15%; EX Special Attacks give the squad ATK +2% for 12s, up to 4 stacks.

The Vault

A · Energy Regen

Nicole's A-Rank W-Engine: Energy Regen and a 15% DMG taken debuff, but its 2s windows need careful timing.

Ether DMG from EX Specials, Chain Attacks or Ultimates makes the target take 15% more DMG from all units and boosts the wielder's Energy Regen.

Drive Discs

Astral Voice ×4

Swing Jazz ×2

Her best set by a long way: she stacks Astral Voice quickly with her constant Quick Assists. Swing Jazz and Moonlight Lullaby give the same +20% Energy Regen 2-pc.

Set effects

2pATK +10%

4pWhenever any squad member enters the field using a Quick Assist, all squad members gain 1 stack of Astral, up to a maximum of 3 stacks, and lasting 15s. Repeated triggers reset the duration. Each stack of Astral increases the DMG dealt by the character entering the field using a Quick Assist by 8%. Passive effects of the same name do not stack.

2pEnergy Regen +20%

Astral Voice ×4

Hormone Punk ×2

+10% ATK if you struggle to reach 3,430 ATK.

Set effects

2pATK +10%

4pWhenever any squad member enters the field using a Quick Assist, all squad members gain 1 stack of Astral, up to a maximum of 3 stacks, and lasting 15s. Repeated triggers reset the duration. Each stack of Astral increases the DMG dealt by the character entering the field using a Quick Assist by 8%. Passive effects of the same name do not stack.

2pATK +10%

Moonlight Lullaby ×4

Swing Jazz ×2

Only if another Agent already wears Astral Voice (Evelyn, for example): +18% squad DMG for 25s after an EX Special Attack or Ultimate. Her Tremolos count as EX Special Attacks, so the buff stays up almost permanently.

Set effects

2pEnergy Regen +20%

4pWhen the equipper is a Support character and uses an EX Special Attack or Ultimate, the DMG dealt by all squad members increases by 18% for 25s. Repeated triggers reset the duration. Passive effects of the same name do not stack.

2pEnergy Regen +20%

Main stats

Disc 4

ATK%

Disc 5

ATK%

Disc 6

ATK% / Energy Regen

Substat priority

1ATK% 2ATK 3CRIT Rate 4CRIT DMG 5PEN

Stat targets

ATK 3,430+ to max her Core Passive (+1,200 ATK for the squad)
Energy Regen: as much as possible once the ATK target is met (each Chord is a free Quick Assist)
HP 10,500+, DEF 800+
Then CRIT or Anomaly Proficiency for her own damage, not both

Talent priority

Core Skill

Special Attack

Chain Attack

Assist

Basic Attack

Dodge

Reaching the ATK threshold matters more than anything else: use your W-Engine, disc main stats and substats to get there before investing in Energy Regen.

Teams

Recommended teams

Electric: Cissia & Seed

Cissia

Seed

Astra Yao

Astra's most used team in both current Shiyu Defense (3.6%) and Deadly Assault (3.2%). Seed buffs Cissia and the pair alternate through Astra's Quick Assists. Bangboo: Snap, whose Superstar DMG buff triggers on Quick Assists.

Ye Shunguang & Zhao

Ye Shunguang

Astra Yao

Zhao

Her second most used team. Ye Shunguang takes the field while Astra and Zhao buff from off-field. Bangboo: Sprout, which gains up to +60% DMG with Ye Shunguang and summons a Sword if its Active Skill is used during Ether Veil: Verdict.

Stars of Lyra: Evelyn & Dialyn

Evelyn

Dialyn

Astra Yao

Her signature pairing: her Ultimate turns Quick Assists into Evelyn's powerful Chain Attacks, and Dialyn extends the Stun to fit them all. Bangboo: Snap, which also heals with two Stars of Lyra Agents.

Guide

How to play

Idyllic Cadenza

Her Special Attack (she has no EX version) makes her enter Idyllic Cadenza and triggers a Quick Assist. In this state she stays on the field, invulnerable, even after you switch out, and the whole squad gets +20% DMG and +25% CRIT DMG (at skill level 12).
Every 25 Energy is one Chord. While she has Chords, the active Agent's hits trigger a Quick Assist to your other Agent (once every 3s, or every 1s with heavy attacks).
Precise Assist: a Quick Assist, Chain Attack, Defensive or Evasive Assist while she has a Chord spends it for a Tremolo and 3 Tone Clusters, doubled by her Additional Ability (an Attack, Anomaly or Rupture teammate).
Core Passive: the Agent who switches in this way, and Astra herself, gain ATK equal to 35% of her ATK (1,200 max) for 20s, extendable to 30s.

Ultimate

Heals the whole squad, and the next two Quick Assists become Chain Attacks. Great for Chain-heavy damage dealers like Evelyn and for Stun combos.
Advanced: after her Ultimate, leave Cadenza (hold Basic Attack for Finale), take the Quick Assist into your DPS's Chain Attack, then swap back to recast her Special for the second one.

Tips

Put her right before your main DPS in the squad order so her Quick Assists land on them.
Watch her Energy when your DPS stays on the field for a long time: with no Chords left, there are no more Quick Assists and the ATK buff can drop mid-Stun.
Her own Decibel generation is poor; Basic Attack: Finale lets her take Evasive Assists to build some, then re-enter Cadenza right away.

Strengths

Works in almost every team: Attack, Anomaly and Rupture.
Huge buff package: DMG, CRIT DMG, flat ATK, Quick Assists and extra Chain Attacks.
Heals the team while needing almost no field time.
Her signature is a luxury: A-Rank W-Engines come close.

Weaknesses

Needs about 3,430 ATK to max her Core Passive buff at M0.
Effectively locks you into a two-active-Agent playstyle.
Very low personal Decibel and Anomaly buildup.

Notable dupes · Mindscape Cinema

M1

Big upgrade

Her hits reduce All-Attribute RES by up to 18%, she starts with 1,000 Decibels, and her Ultimate gives the squad a one-time invulnerability charge.

M2

Solid upgrade

Core Passive ATK buff raised by another 19% of her ATK (up to +400 more), and an extra Tremolo follow-up on every switch-in (once every 3s).

M4

Solid upgrade

Quick Assists without Chords for 15s after a Chain Attack or Ultimate, plus specialty-based bonuses on Quick Assists.

M6

Big upgrade

Tremolo and Tone Clusters deal double damage with +80% CRIT Rate: she becomes a real sub-DPS.

Community

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