Role and build direction
Use her assist-driven support to cycle teammates efficiently. The first job is repeatable buff uptime and a clean hand-off. Choose Energy Regen when missed EX casts break the rotation, and the relevant scaling stat when the buff has not reached its cap. Personal damage is a later investment once the team’s damage window is stable.
Equipment and stat priorities
The equipment table below is a starting point, not a universal ranking. Finish usable main stats before replacing a complete piece for a minor substat upgrade. Read each set’s trigger and each W-Engine’s passive, then check whether your rotation actually sustains them. Premium equipment and duplicate upgrades are not required to begin testing this plan.
Drive Disc plan
Main stats
W-Engine candidates
Rotation and resource management
Prepare the singing state, then cycle Quick Assists into the intended damage dealer. Build enough ATK for the support cap before chasing optional personal damage. Record where the rotation loses time: setup, movement, an unavailable EX, or an interrupted damage sequence. Change one decision at a time and repeat the same encounter. A shorter animation or an extra attack is only an improvement if it preserves the important buffs and resources.
Team selection
Build the squad around Astra Yao's Support role and the recorded additional-ability condition. There is no curated three-Agent composition for this profile yet. Use the planner to inspect candidate partners, then test resource sharing and buff uptime before treating the result as a recommendation.
PLAN A SQUADShiyu Defense
Coordinate Astra Yao's setup with the assigned carry. Refresh utility near wave transitions rather than spending the whole buff on travel. Compare support allocation across both sides; the shortest clear comes from two functional squads, not one heavily invested composition.
Deadly Assault
Evaluate repeated cycles over the scoring period. Keep Astra Yao's role consistent across setup and recovery, and inspect the actual boss mechanics before extending a rotation. Allocate three independent squads first. The strongest-looking single squad may consume a support that another encounter needs more urgently.
Hollow Zero and practical mistakes
Temporary programs can change the value of Astra Yao's normal build and rotation. Read acquired effects before spending resources in the next room. Support uptime still depends on Energy and squad order. Keep a stable baseline build, then adapt the play sequence to the run instead of farming new equipment for every temporary modifier.
Build variants and evidence
Equipment facts are checked against the linked community profile. Rotation explanations and mode advice are editorial. The source's full equipment review is tagged patch 2.2; the catalog snapshot is 3.2. No damage ranking is claimed.