Astra Yao vs Sunna
Astra Yao vs Sunna — two Support agents competing for the same roster slot.
TL;DR — Quick Pick
Pick Astra Yao if…
- You need a Ether Support agent and Astra Yao's kit matches your account gap.
- You prefer Support gameplay over Sunna's Support identity.
- Astra Yao is a transformative support unit that redefines team-wide buffing and enables unique Quick-Swap strategies.
Pick Sunna if…
- You need a Physical Support agent and Sunna's kit matches your account gap.
- You prefer Support gameplay over Astra Yao's Support identity.
- Sunna provides exceptional team-wide ATK and DMG buffs while enabling unique off-field damage triggers via her Cat's Gaze mechanic.
Astra Yao and Sunna are both Support investments that answer different account needs. Astra Yao (Ether, Support) shines when Astra Yao is a transformative support unit that redefines team-wide buffing and enables unique Quick-Swap strategies. Sunna (Physical, Support) is the better commit when Sunna provides exceptional team-wide ATK and DMG buffs while enabling unique off-field damage triggers via her Cat's Gaze mechanic. Compare signature builds, team requirements, and your existing supports before pulling either.
At a Glance
Strengths & Weaknesses
Astra Yao
- High team-wide DMG and CRIT DMG buffs
- Unique invulnerability while off-active in Idyllic Cadenza
- Enables on-demand Quick Assists for superior rotation control
- Immobile during Idyllic Cadenza activation
- Requires significant energy management for optimal utility
- Complex rotation demands precise timing
Sunna
- Provides substantial ATK buffs up to 525 based on initial stats
- Cat's Gaze allows for powerful off-field coordinated attacks
- High invulnerability frames on multiple skill animations
- Requires careful management of Claw Sharpener stacks for optimal output
- Buff uptime depends on maintaining Ether Veil or EX skills
- Cat's Gaze only triggers on the primary target, limiting multi-target burst
Shared Team Members
With Astra Yao
Attack partner who covers gaps while Astra Yao handles the main role.
With Sunna
Attack partner who covers gaps while Sunna handles the main role.
With Astra Yao
Defensive utility and supportive buffs that keep Astra Yao's rotation stable.
With Sunna
Defensive utility and supportive buffs that keep Sunna's rotation stable.
With Astra Yao
Opens stun windows so Astra Yao can dump burst damage safely.
With Sunna
Opens stun windows so Sunna can dump burst damage safely.
Best Builds (Signature)
W-Engine
Elegant Vanity
Disk Set
Astral Voice
Disk 4
ATK%
Disk 5
ATK%
Disk 6
Energy Regen = ATK%
Substats
CRIT Rate >= CRIT DMG = ATK%
W-Engine
Thoughtbop
Disk Set
Moonlight Lullaby (4-PC)
Disk 4
CRIT Rate%
Disk 5
Physical DMG%
Disk 6
ATK%
Substats
CRIT Rate >= CRIT DMG = ATK%
Who Should You Pull?
- You need a Ether Support agent and Astra Yao's kit matches your account gap.
- You prefer Support gameplay over Sunna's Support identity.
- Astra Yao is a transformative support unit that redefines team-wide buffing and enables unique Quick-Swap strategies.
- Her ability to remain active and invulnerable on-field while buffing others makes her a staple for any high-tier roster.
- Astra Yao is a stronger general pull priority (YES) for your roster.
- You need a Physical Support agent and Sunna's kit matches your account gap.
- You prefer Support gameplay over Astra Yao's Support identity.
- Sunna provides exceptional team-wide ATK and DMG buffs while enabling unique off-field damage triggers via her Cat's Gaze mechanic.
- She is a premier support choice for high-end Physical and Anomaly-based squads looking to maximize burst output.
- Sunna is a stronger general pull priority (YES) for your roster.