S Physical Support

Sunna

Composer of the Angels of Delusion

TierSS
RolesSupport
Release2.6

Sunna is a Physical Support and one of the best partners for Attack Agents. Her EX Special gives the whole squad up to 1,050 ATK, her Ether Veil raises the Stun DMG Multiplier by 30%, and her cat Bubblegum marks enemies with Cat's Gaze, which your DPS detonates using their own stats. Both Prydwen and Game8 put her in their top tier, and she's part of the most used team in the game, with Ye Shunguang.

Sunna

ATK Support

W-Engines

Thoughtbop BiS
S · Energy Regen
Best in slot: Energy Regen main stat, off-field Energy, plus up to +25% squad DMG and +10% ATK that are effectively always up. Almost required for fast Ether Veil loops.
Off-field Energy Regen +0.6/s; Physical EX Special Attacks give the squad up to +25% DMG for 40s, plus ATK +10% at 2 stacks.
Weeping Cradle
S · PEN Ratio
Great for Energy thanks to its off-field regen. Its DMG taken debuff doesn't apply to Bubblegum or Cat's Gaze.
Off-field Energy Regen +0.6/s; the wielder's hits make the target take 10% to 20.2% more DMG from all units for 3s.
Kaboom the Cannon
A · Energy Regen
Her most used W-Engine: Energy Regen main stat and a squad ATK buff that's easy to max.
Each squad member landing a hit grants the whole squad ATK +2.5% for 8s, up to 4 stacks.
Unfettered Game Ball
A · Energy Regen
Niche: big squad CRIT Rate, but only after Attribute Counters (enemies weak to your attribute). Useless for CRIT-capped DPS.
Attribute Counter effects raise all units' CRIT Rate against the target by 12% for 12s.

Drive Discs

Moonlight Lullaby ×4
Swing Jazz ×2
Her best set: split EX Specials make full Moonlight Lullaby uptime easy, and every bit of Energy Regen counts with her low base.
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%
Moonlight Lullaby ×4
Astral Voice ×2
Game8's pick: the ATK 2-pc helps reach 3,500 initial ATK. Hormone Punk works the same way.
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.
2pATK +10%

Main stats

Disc 4
ATK%
Disc 5
ATK%
Disc 6
Energy Regen / ATK%

Substat priority

1ATK% 2ATK 3CRIT Rate 4CRIT DMG 5Anomaly Proficiency

Stat targets

  • Initial ATK 3,500 (maxes Angelic Chord-ination at +1,050 ATK)
  • Enough Energy Regen to recast her 70-Energy EX Special every ~25s
  • Other stats barely matter: Cat's Gaze uses the triggering Agent's stats

Talent priority

Core Skill
Special Attack
Chain Attack
Assist
Basic Attack
Dodge

Once she reaches 3,500 ATK, CRIT substats help her own hits in CRIT teams, and Anomaly Proficiency in Aria teams (Prydwen).

Teams

Recommended teams

Meta: Ye Shunguang & Zhao

The most used team in both the current Shiyu Defense and Deadly Assault. Every Ether Veil activation gives Ye Shunguang 3 Sword Force, Sunna's buffs are easy to maintain and Zhao needs very little field time. Recommended Bangboo: Sprout.

Premium: Ye Shunguang & Dialyn

Game8's Attack team and the second most used in Deadly Assault. Dialyn is the premium Stunner, best against enemies whose Stun DMG Multiplier is 150% (so the bonus doesn't overcap). Recommended Bangboo: Sprout.

Angels of Delusion: Aria & Nangong Yu

The faction team: Sunna's frequent Ether Veils give Aria Fandom Power, Anomaly Agents detonate Cat's Gaze as a guaranteed CRIT, and the shared faction activates her Additional Ability. Yuzuha can replace Nangong. Recommended Bangboo: Biggest Fan.

Guide

How to play

Angelic Chord-ination and Ether Veil

  • Her first EX Special, Bubblegum Barrage (70 Energy), gives the squad Angelic Chord-ination for 40s: +ATK equal to 30% of Sunna's initial ATK, up to 1,050 at 3,500 ATK. It also triggers a Quick Assist.
  • Her second EX Special, Special Photography Technique (free, once per Angelic Chord-ination), activates Ether Veil: Delusion Reprise. Each cast is a brand-new activation, which matters for Ye Shunguang. Hold Special during the first EX to cast both in a row (slightly lower multipliers).
  • Additional Ability (Attack or same-faction teammate): characters inside Delusion Reprise raise the target's Stun DMG Multiplier by 30% for 40s. She also gets 15 Energy on entering the battlefield.

Cat's Gaze and Bubblegum

  • Bubblegum's attack (Naughty Cat Spotted), her EX Specials, Chain Attack and Ultimate apply Cat's Gaze for 12s.
  • Attack and Anomaly Agents detonate it by hitting the target a few times (only one hit needed on a Stunned enemy): 300% of their ATK for an Attack Agent, or 480% guaranteed CRIT with +150% CRIT DMG for an Anomaly Agent. It uses all of the triggering Agent's stats and buffs.
  • Claw Sharpener (max 6): +2 whenever an Ether Veil activates, +1 when an Anomaly is applied (10s cooldown), +6 from her Ultimate. While Sunna is off-field and no enemy has Cat's Gaze, Bubblegum spends one to re-apply it.

Rotation

  1. Use a few Basic Attacks at the start if you need Energy, then both EX Specials.
  2. Swap to your DPS and let them detonate Cat's Gaze.
  3. About every 25s, swap back for an EX Special to refresh Moonlight Lullaby. You can split the two EX Specials to get two refreshes from one Angelic Chord-ination.
  4. Use her Ultimate just before a Stun to max out Claw Sharpener, avoiding right after an Ether Veil so you don't overcap.

Avoid her Basic Attack string after the opener: its last hit has a long recovery that can't be cancelled with a Dodge.

Strengths

  • Big, undiluted buffs for almost any Attack Agent, and very easy to play.
  • Frequent Ether Veils, ideal for Ye Shunguang and Aria.
  • Cat's Gaze adds a lot of damage without her needing damage stats.
  • Cheap to build: she mostly needs ATK.

Weaknesses

  • Her Additional Ability only works with Attack or Angels of Delusion teammates.
  • Very low base Energy Regen (1.0), and her 70-Energy EX Special makes her lean on her signature.
  • Much of her value is the Stun DMG Multiplier, so she's weaker in teams without a Stunner or with two DPS.

Notable dupes · Mindscape Cinema

M1
Big upgrade

15 more Energy on entry, and each Cat's Gaze detonation reduces the target's DEF by 7% (up to 3 stacks). Game8's recommended stopping point.

M2
Solid upgrade

Squad ATK +10% inside Ether Veils, a Claw Sharpener every 10s, and stronger, easier Cat's Gaze detonations.

M6
Solid upgrade

After each EX Special, she guarantees CRITs, gains up to 105% CRIT DMG and can detonate Cat's Gaze herself: she becomes a real sub-DPS.

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