Astra Yao Build
Even a supporting agent asked for a M2 guarantee.. (source: Astra Yao Build)
M1
Provides 1 stack of 6% All-Attribute Resistance Reduction (up to 3 stacks total), grants 10 Decibel upon entering, and after you use Ultimate, each character gains a 1-second invincibility once.
Based on overall calculations, this yields about a 35% increase.
M2
Raises the core skill’s Attack buff conversion by 19%, up to an extra 400 Attack, and whenever a teammate enters via Assistance or Chain Attack, Astra Yao will trigger an additional synergy strike.
The main benefit of M2 comes from that extra +400 Attack buff and the significantly lowered Attack threshold. You only need 2963 Attack to fully benefit, so you can remove at least one Attack main stat on your Drive Discs. Overall, this is about 34% increase.
M4
For 15 seconds after performing a Chain Attack, Astra Yao can still activate Quick Assist even with insufficient energy. Additionally, the next Quick Assist used by the incoming character gains one of the following buffs, depending on their type:
- Attack: +30% Bonus Damage
- Anomaly: +50% Anomaly Build-Up Rate
- Stun: +50% Stun Efficiency
While these features seem extensive, the actual gain is limited because most current Quick Assist multipliers are relatively low, so the net increase is not very pronounced.
M6
Increases the damage multiplier of the coordinate attack to 120% of the original value and boosts Crit Rate by +80%. When a Precise Assistance is triggered, it automatically follows up with a fully charged Basic Attack 3 that also benefits from +80% Crit Rate (available once every 10 seconds).
This transforms Astra Yao into a valid “Off-field sub-DPS.” With M2 as a foundation, you can equip a Crit DMG Drive Disc in the fourth slot and just 6 Crit Rate substats will cap her Crit chance. Astra Yao’s team damage contribution thus rises from 1.64% to 10.8%—quite notable for a support role—netting about a 16.5% total increase overall.