Sunna is an S-Rank Physical Attribute · Support Agent affiliated with the "Angels of Delusion" faction. As a top-tier support, she can provide the entire team with massive ATK boosts, Imbalance DMG multipliers, and additional Crit DMG (for Attack-type Agents) or Anomaly Mastery (for Anomaly-type Agents) through her unique ability.
Next, I'll give you a quick overview of Sunna and a comprehensive guide to cultivating her to her full potential.
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| ZZZ Sunna Materials
ASCENSION MATERIALS
To level Sunna up to Level 60 and max out her skills, you'll need to prepare the following resources:
- Denny x800000
- Basic Support Certification Seal x4
- Advanced Support Certification Seal x32
- Ruler Certification Seal x30
Talent Level-up Materials
- Denny x2,905,000
- Basic Physical Chip x25
- Advanced Physical Chip x75
- Specialized Physical Chip x250
- "Hamster Cage" Accessory x5
- Turbid Pattern Crystal x9
- New Material x60
| ZZZ Sunna Skill Priority
Sunna's core value lies in the team buffs provided by her Core Skill and Special Attack. It's recommended to upgrade her skills in the following order:
- Core Skill: ⭐⭐⭐⭐⭐ (Top priority. Directly determines the upper limit of her ATK boost, providing up to 1,000 ATK at max level.)
- Special Attack: ⭐⭐⭐⭐⭐ (Core mechanism. The EX Special Attack not only triggers the 【Fever】 state but also activates the 【Ether Veil: Idol】 field.)
- Basic Attack: ⭐⭐⭐⭐ (Since Basic Attacks can refresh the duration of the 【Enchantment】 mark, it's recommended to upgrade to maintain coverage.)
- Chain Attack / Finisher: ⭐⭐⭐ (As a support, her direct damage is not the focus; upgrade selectively based on available resources.)
- Assist & Dodge: ⭐⭐ (Lowest priority.)
| ZZZ Sunna W-Engine Choice
Sunna's Signature W-Engine
Sunna's signature W-Engine is likely to be her best W-Engine option for most team compositions. It provides up to 25% DMG and 25% ATK to all squad members after activating her Ex-Special Attack twice, which can be easily done as it is part of Sunna's core gameplay loop. While this W-Engine provides decent buffs, other A-Rank and S-Rank W-Engines provide similar but slightly lower buffs, which might make this W-Engine potentially unnecessary.
Weeping Cradle
A standard banner S-Rank Support W-Engine, which can also be obtained through store currency. Weeping Cradle can potentially be a decent option on Sunna as it provides up to 20.7% DMG Bonusfor a short 3-second duration. However, the specific timing of this buff can make it a bit tricky to use effectively, and further testing will need to take place.
Elegant Vanity
Astra Yao's signature W-Engine can potentially also be used on Sunna.
Unfettered Game Ball
The Battlepass W-Engine which can also be potentially used on Sunna only if facing 3 Physical weakenemies, due to the W-Engine providing a CRIT Rate buff only against enemies weak to the equippingcharacter's attribute.
Kaboom the Cannon
This W-Engine provides an attack buff when a friendly unit in the squad hits an enemy. Sunna should beable to trigger this effect consistently from off-field as she does have an off-field attack in her kit.
| ZZZ Sunna Drive Disc Set
Sunna's best Drive Disc set will likely be theMoonlight Lullaby Drive Disc Set. Since information is stillsubject to change, it is not recommended to farm for specific Drive Disc sets from now on until informationis officially confirmed.
Moonlight Lullaby
Likely Sunna's best Drive Disc set as it provides a consistent 18% DMG Bonus for 25 seconds to allsquad members after using her Ex-Special Attack.
2-Piece Recommendations include
2pc ER or ATK options are always a safe bet for support Agents like Sunna. A 2pc set increasing Physical DMG or Crit DMG might also be a viable option to increase Sunna's own damage output.
Astral Voice
This set will probably be a usable option on Sunna, but it has yet to be seen ifAstral Voice can be bestacked effectively enough to potentially outperform Moonlight Lullaby. This set might also beusable in specific team comps with 2 Support Agents, where the other Support Agent is running theMoonlight Lullaby set.
| Best Pairings and Synergies With Sunna
Sunna is a Support Agent who will naturally be viable to use with many agents in many team comps. She additionally has specific synergies with both Attack Attack and Anomaly Agents due to her kit providing buffs specifically for these types of agents.
Angels of Delusion
As a member of the Angels of Delusion faction, Sunna will probably synergize well with other members of the faction, such asAria, who is also anAnomalyAgent who will likely benefit from Sunna's Anomaly Agent buffs.
Ye Shunguang
Sunna should be able to provide more frequent Ether Veils toYe Shunguang thanZhao does. Alongside the attack and crit damage buff Sunna provides, she isprobably going to be a decent support option for Ye Shunguang. However, the bonusstun damage multiplier provided by Sunna will likely be less effective due to YeShunguang's Veil Vulnerability DMG Multiplier cap if played in squads with aStunAgent.
Other Attack Agents
Sunna is probably going to be a strong support option for others. Attack Agents, competitive with other generalist 1SupportSupport Agents, such as.Astra Yao. She serves as acompetitive option for many of these agents.
Other Anomaly Agents
Much like with Attack Agents, Sunna is probably going to be astrong support option for most (eAnomaly Agents. However, itremains to be seen how she compares to a dedicated Anomaly Support Agent such asUkinami Yuzuha.
Double Support Teams
A second strong generalist 1Support Support Agent can allow for morepotential double)Support Support team comps alongside characters such as Astra Yao or Ukinami Yuzuha.
| Can Sunna replace Ukinami Yuzuha?
Scenarios Where Sunna Can Replace Yuzuha
Absolute Dominance in Physical Teams
If you’re using Ye Shunguang or Jane Doe, Sunna is an undisputed upgrade. Not only does Sunna provide a massive ATK boost of up to 1,000, but the 30% Imbalance DMG Multiplier from her Core Skill is a "multiplicative bonus" that Yuzuha cannot offer.
Faction Synergy Effect
In the Angels of Delusion faction teams, Sunna has exceptional synergy with Aria and Rokudo. The 36 Anomaly Mastery provided by Sunna greatly amplifies Aria’s Ether Damage—this systematic enhancement makes Yuzuha seem overly generic and lacking in depth.
Suppression of Numerical Ceiling
As an S-Rank Support introduced in Version 2.6, Sunna exhibits significant power creep. When aiming for "Abyss Rushing (Adversity Spire)," the upper limit of the team-wide DMG boost Sunna brings far surpasses Yuzuha’s traditional support mechanics.
Reasons Why Yuzuha Remains Irreplaceable
Multi-Attribute Adaptability
Some of Sunna’s buffs (e.g., Physical DMG Bonus) are exclusive to Physical teams, while Yuzuha is often a "jack-of-all-trades" support. If you’re running an Ice team or Fire team and don’t have a 5-Star attribute-exclusive Support, Yuzuha is still the most cost-effective transitional choice.
Cultivation Cost & Target Audience
Yuzuha is typically already at full Constellation (Echo 6) for many players. While 0-Constellation Sunna has a complete kit, achieving the effect of outperforming full-Constellation Yuzuha often requires pairing her with her signature W-Engine, Resonant Sparkle.
| Conclusion
Sunna is not only a core piece of the 2.5 update's "Angels of Delusion" faction but also one of the strongest universal Physical Supports in the game currently. With her ability to break enemy Toughness and boost team damage, she becomes the perfect partner for Physical main DPS characters like Ye Shunguang. She can unlock her core value at 0 Constellation with a moderate cultivation cost, making her a top priority for F2P and low-spending players to invest in.
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