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Ui (Swimsuit)

Trinity General School

Ui (Swimsuit)

★★★

/Piercing/Support

Ctier

Introduction

Ui (Swimsuit) is a 3-star Piercing student in Blue Archive. Ui (Swimsuit)'s role is Support. School: Trinity General School.

On the Blue Archive tier list Ui (Swimsuit) is C tier, 188th of the 242 students ranked.

Other Piercing students in Blue Archive: Akane, Aru (Dress), Aru (New Year), Ayane, Ayane (Swimsuit), Cherino and 62 more.

Ui (Swimsuit) in raids

On the raids usage list Ui (Swimsuit) is D tier, 143rd of 264: brought by 0.6% of ranked Global players to the last 8 raids, on average.

  • Raid usage0.62%

By raid, newest first

  • Hod (Indoor)1.1%
  • Gregorius (Indoor)0%
  • Hovercraft (Outdoor)0%
  • Drumbarka (Street)0%
  • Myouki Kurokage (Street)0.1%
  • KAITEN FX Mk.0 (Street)0.1%
  • Perorodzilla (Outdoor)3.7%
  • Goz (Outdoor)0%

Ui (Swimsuit)'s banners

All banners
  • 31 March 2026 to 7 April 2026Unique Recruitment
  • 4 March 2025 to 11 March 2025Unique Recruitment
  • 30 January 2024 to 8 February 2024Unique Recruitment

Profile

The president of the Trinity Library Committee. She's investigating the ruins as part of a deal with the Sisterhood.

She doesn't enjoy the outdoors much, but she's taking the investigation seriously, as she has a passion for ancient manuscripts, ruins, and artifacts.

Ui (Swimsuit)'s full name is Kozeki Ui. Ui (Swimsuit)'s birthday is April 23rd, and Ui (Swimsuit) stands 5'5" tall. Ui (Swimsuit) is voiced by 後藤沙緒里 in Japanese and Yi Saeah in Korean. Ui (Swimsuit)'s hobby is reading, curating and researching. CHILD drew Ui (Swimsuit).

Stats

  • Max HP206th21,601
  • ATK108th3,579
  • DEF244th99
  • Healing99th6,221
  • Accuracy5th989
  • Evasion258th180
  • Crit90th219
  • Crit DMG200%
  • Stability75th1,800
  • Normal Attack Range94th750
  • Cost Recovery700

At level 90 and 5 stars, before the Exclusive Weapon, equipment, Talents and Relationship Rank. Each bar is measured against the highest value in the Blue Archive roster, and the place is out of every student with that stat.

At level 1 and 90

  • Max HPLevel 1, 3 stars: 2,270Level 90, 3 stars: 17,921Level 90, 5 stars: 21,601
  • ATKLevel 1, 3 stars: 314Level 90, 3 stars: 2,854Level 90, 5 stars: 3,579
  • DEFLevel 1, 3 stars: 18Level 90, 3 stars: 99Level 90, 5 stars: 99
  • HealingLevel 1, 3 stars: 1,808Level 90, 3 stars: 5,059Level 90, 5 stars: 6,221
  • AccuracyLevel 1, 3 stars: 989Level 90, 3 stars: 989Level 90, 5 stars: 989
  • EvasionLevel 1, 3 stars: 180Level 90, 3 stars: 180Level 90, 5 stars: 180
  • CritLevel 1, 3 stars: 219Level 90, 3 stars: 219Level 90, 5 stars: 219
  • Crit ResLevel 1, 3 stars: 100Level 90, 3 stars: 100Level 90, 5 stars: 100
  • Crit DMGLevel 1, 3 stars: 200%Level 90, 3 stars: 200%Level 90, 5 stars: 200%
  • Crit DMG ResLevel 1, 3 stars: 50%Level 90, 3 stars: 50%Level 90, 5 stars: 50%
  • StabilityLevel 1, 3 stars: 1,800Level 90, 3 stars: 1,800Level 90, 5 stars: 1,800
  • Normal Attack RangeLevel 1, 3 stars: 750Level 90, 3 stars: 750Level 90, 5 stars: 750
  • CC PowerLevel 1, 3 stars: 100Level 90, 3 stars: 100Level 90, 5 stars: 100
  • CC ResLevel 1, 3 stars: 100Level 90, 3 stars: 100Level 90, 5 stars: 100
  • Recovery BoostLevel 1, 3 stars: 100%Level 90, 3 stars: 100%Level 90, 5 stars: 100%
  • Cost RecoveryLevel 1, 3 stars: 700Level 90, 3 stars: 700Level 90, 5 stars: 700
  • Mag CountLevel 1, 3 stars: 5Level 90, 3 stars: 5Level 90, 5 stars: 5
  • DEF PenetrationLevel 1, 3 stars: 0Level 90, 3 stars: 0Level 90, 5 stars: 0
  • MobilityLevel 1, 3 stars: 200Level 90, 3 stars: 200Level 90, 5 stars: 200

Before the Exclusive Weapon, equipment, Talents and Relationship Rank. Stars raise ATK, Max HP and Healing only.

Combat profile

Squad
Striker (fights on the field)
Position
Back
Attack type
Piercing
Armor type
Elastic
Weapon
Sniper rifle
School
Trinity General School
Club
Library Committee
Year and age
3rd Year, 17 years old
Equipment slots
Shoes, Hairpin, Charm

Terrain affinity

  • UrbanB
  • OutdoorD
  • IndoorS (SS with the weapon at 3 stars)

Affinity sets how well a student fights on each stage type, from D up to SS.

Skills

5

  • Desert Island Cafe

    EX Skill · Cost 4
    Level

    Moves 4 allies in a circular area to the user's location and increases Piercing Effectiveness by 70.1% (for 45 sec).

  • Decisive Clue

    Basic Skill
    Level

    Once 3 Clues have accumulated, increases the Piercing Effectiveness of Striker allies by 28.9% (for 30 sec). Consumes 3 Clues.

  • Seeker's Will

    Enhanced Skill
    Level

    Increases ATK by 26.6%.

  • Seeker's Will+

    Enhanced Skill +
    Level

    Increases Max HP by 6160. Also increases ATK by 26.6%.

    Replaces Seeker's Will once Ui (Swimsuit)'s Exclusive Weapon reaches 2 stars.

  • Clue Uncovered

    Sub Skill
    Level

    When an ally, other than the user, uses an EX skill 2 times, increases ATK by 43.1% (for 30 sec). Grants 1 Clue.

Exclusive Weapon

Upgrade planner

Volume Suppressor

Sniper rifle

Ui's silenced rifle. Even though she's on a deserted island, it's seen quite a bit of use.

  • 1 starLv. 30: ATK +411, Max HP +1,847
  • 2 starsLv. 40: ATK +514, Max HP +2,309Enhanced Skill becomes Seeker's Will+
  • 3 starsLv. 50: ATK +616, Max HP +2,771Indoor affinity S to SS
  • 4 starsLv. 60: ATK +719, Max HP +3,233Piercing damage +10%

Stars and Relationship Rank

Star bonuses

  • 4 starsBonus over 1 star: ATK +14%, Max HP +9%, Healing +12%Rank cap: 30
  • 5 starsBonus over 1 star: ATK +31%, Max HP +23%, Healing +27%Rank cap: 100

Ui (Swimsuit) starts at 3 stars. Each star also lifts the Relationship Rank cap.

Relationship Rank bonus

  • 5Total bonus: ATK +12
  • 10Total bonus: ATK +32
  • 15Total bonus: ATK +57, Max HP +220
  • 20Total bonus: ATK +87, Max HP +485
  • 25Total bonus: ATK +97, Max HP +530
  • 30Total bonus: ATK +107, Max HP +575
  • 35Total bonus: ATK +117, Max HP +640
  • 40Total bonus: ATK +127, Max HP +705
  • 45Total bonus: ATK +147, Max HP +815
  • 50Total bonus: ATK +167, Max HP +925

Stats stop growing at rank 50.

Talents

  • Max HP25 levels, up to +5%
  • ATK25 levels, up to +5%
  • Healing25 levels, up to +5% (little use for Ui (Swimsuit))

Gifts Ui (Swimsuit) likes

8

Favourites

  • Classical Poetry Anthology
  • Guns, Charm, and Zeal
  • Summer Floaty

Also liked

  • Streets of Thugs Vol. 1
  • Encyclopedia
  • Extraordinary Cottontail Detective: Case of the Misty Hot Spring Slide
  • Forbidden Love: Its Beauty Lies in Its Illicitness
  • Hitgirls Gaming Magazine

A gift gives more Relationship Rank EXP the more of Ui (Swimsuit)'s favourite-item tags it carries. Gifts not listed still give the base amount.

Lines and Memorial Lobby

When recruited: Ugh. Ugh... Grr... This darn...

MomoTalk status: On a business trip.

Ui (Swimsuit)'s Recollection Lobby
Ui (Swimsuit)'s Recollection Lobby

Upgrade costs

Open in the planner

EX Skill

  • Lv. 2Credit Points ×80,000Beginner Tactical Training Blu-ray (Trinity) ×12Voynich Manuscript Page ×17
  • Lv. 3Credit Points ×500,000Normal Tactical Training Blu-ray (Trinity) ×12Beginner Tactical Training Blu-ray (Trinity) ×18Damaged Voynich Manuscript ×11Golden Fleece ×26
  • Lv. 4Credit Points ×3,000,000Advanced Tactical Training Blu-ray (Trinity) ×12Normal Tactical Training Blu-ray (Trinity) ×18Annotated Voynich Manuscript ×11Golden Yarn ×25
  • Lv. 5Credit Points ×10,000,000Superior Tactical Training Blu-ray (Trinity) ×8Advanced Tactical Training Blu-ray (Trinity) ×18Intact Voynich Manuscript ×9Golden Wool ×20

Basic, Enhanced and Sub Skills

  • Lv. 2Credit Points ×5,000Beginner Tech Notes (Trinity) ×5
  • Lv. 3Credit Points ×7,500Beginner Tech Notes (Trinity) ×8
  • Lv. 4Credit Points ×60,000Normal Tech Notes (Trinity) ×5Beginner Tech Notes (Trinity) ×12Voynich Manuscript Page ×6
  • Lv. 5Credit Points ×90,000Normal Tech Notes (Trinity) ×8Damaged Voynich Manuscript ×6Golden Fleece ×11
  • Lv. 6Credit Points ×300,000Advanced Tech Notes (Trinity) ×5Normal Tech Notes (Trinity) ×12Damaged Voynich Manuscript ×9Golden Fleece ×17
  • Lv. 7Credit Points ×450,000Advanced Tech Notes (Trinity) ×8Annotated Voynich Manuscript ×4Golden Yarn ×15
  • Lv. 8Credit Points ×1,500,000Superior Tech Notes (Trinity) ×8Advanced Tech Notes (Trinity) ×12Intact Voynich Manuscript ×4Golden Wool ×8
  • Lv. 9Credit Points ×2,400,000Superior Tech Notes (Trinity) ×12Intact Voynich Manuscript ×8Golden Wool ×12
  • Lv. 10Credit Points ×4,000,000Secret Tech Notes ×1

Star promotion

  • 4 starsCredit Points ×200,000Ui (Swimsuit)'s Eleph ×100
  • 5 starsCredit Points ×1,000,000Ui (Swimsuit)'s Eleph ×120

Exclusive Weapon

  • 2 starsCredit Points ×1,000,000Ui (Swimsuit)'s Eleph ×120
  • 3 starsCredit Points ×1,500,000Ui (Swimsuit)'s Eleph ×180
  • 4 starsCredit Points ×2,000,000Ui (Swimsuit)'s Eleph ×200

Talent: Max HP

  • Lv. 1-5Credit Points ×500,000Voynich Manuscript Page ×50Physical Education Workbook ×10
  • Lv. 6-10Credit Points ×500,000Voynich Manuscript Page ×75Physical Education Workbook ×10
  • Lv. 11-15Credit Points ×500,000Voynich Manuscript Page ×100Physical Education Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Damaged Voynich Manuscript ×30Physical Education Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Damaged Voynich Manuscript ×40Physical Education Workbook ×20

Talent: ATK

  • Lv. 1-5Credit Points ×500,000Voynich Manuscript Page ×50Shooting Workbook ×10
  • Lv. 6-10Credit Points ×500,000Voynich Manuscript Page ×75Shooting Workbook ×10
  • Lv. 11-15Credit Points ×500,000Voynich Manuscript Page ×100Shooting Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Damaged Voynich Manuscript ×30Shooting Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Damaged Voynich Manuscript ×40Shooting Workbook ×20

Talent: Healing

  • Lv. 1-5Credit Points ×500,000Voynich Manuscript Page ×50Hygiene Workbook ×10
  • Lv. 6-10Credit Points ×500,000Voynich Manuscript Page ×75Hygiene Workbook ×10
  • Lv. 11-15Credit Points ×500,000Voynich Manuscript Page ×100Hygiene Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Damaged Voynich Manuscript ×30Hygiene Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Damaged Voynich Manuscript ×40Hygiene Workbook ×20

Art

Ui (Swimsuit) key art

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