Blue Archive · student

Ui (Swimsuit)

Ui (Swimsuit)ウイ（水着）우이(수영복)

★★★◈Pierce ElasticArmor ✦Supporter Striker Trinity Back SR Limited

Unchanged since July 18, 2026

LV.90

Combat

UrbanBOutdoorDIndoorS

Stats · Lv.90 Stats at any level →

HP17,920

ATK2,854

DEF99

Heal5,058

Crit219

Crit DMG200%

Crit RES100

Stability1,800

Accuracy989

Evasion180

Range750

DEF Pen0

CC Power100

CC RES100

Ammo5

Ammo cost1

Move Speed200

Heal Effectiveness10,000

Skills

Desert Island CafeEX Skill · Cost 4 · Lv.5

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

Drag to see per-level scaling

Decisive ClueBasic Skill · Lv.10

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

Drag to see per-level scaling

Seeker's Will+Enhanced Skill · Lv.10

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

Drag to see per-level scaling

Clue UncoveredSub Skill · Lv.10

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

Drag to see per-level scaling

Loved gifts · raise this student's affinity the most

Streets of Thugs Vol. 1SSRBuried Treasure MapSR

Liked gifts · genre favorites — extra affinity

Classical Poetry AnthologySR · matches 2 tagsGuns, Charm, and ZealSR · matches 2 tagsSummer FloatySR · matches 2 tagsEncyclopediaSRExtraordinary Cottontail Detective: Case of the Misty Hot Spring SlideSRForbidden Love: Its Beauty Lies in Its IllicitnessSRHitgirls Gaming MagazineSR

Star levels · credits and Eleph per star

2★

10,000 Credit Points + 30x Ui (Swimsuit)'s Eleph

3★

40,000 Credit Points + 80x Ui (Swimsuit)'s Eleph

4★

200,000 Credit Points + 100x Ui (Swimsuit)'s Eleph

5★

1,000,000 Credit Points + 120x Ui (Swimsuit)'s Eleph

Skill levels · per skill slot, per level

EX skill Lv.1 → 2

80,000 Credit Points + 12x Beginner Tactical Training Blu-ray (Trinity) + 17x Voynich Manuscript Page

Basic / Enhanced / Sub skill Lv.1 → 2

5,000 Credit Points + 5x Beginner Tech Notes (Trinity)

EX skill Lv.2 → 3

500,000 Credit Points + 12x Normal Tactical Training Blu-ray (Trinity) + 18x Beginner Tactical Training Blu-ray (Trinity) + 11x Damaged Voynich Manuscript + 26x Golden Fleece

Basic / Enhanced / Sub skill Lv.2 → 3

7,500 Credit Points + 8x Beginner Tech Notes (Trinity)

EX skill Lv.3 → 4

3,000,000 Credit Points + 12x Advanced Tactical Training Blu-ray (Trinity) + 18x Normal Tactical Training Blu-ray (Trinity) + 11x Annotated Voynich Manuscript + 25x Golden Yarn

Basic / Enhanced / Sub skill Lv.3 → 4

60,000 Credit Points + 5x Normal Tech Notes (Trinity) + 12x Beginner Tech Notes (Trinity) + 6x Voynich Manuscript Page

EX skill Lv.4 → 5

10,000,000 Credit Points + 8x Superior Tactical Training Blu-ray (Trinity) + 18x Advanced Tactical Training Blu-ray (Trinity) + 9x Intact Voynich Manuscript + 20x Golden Wool

Basic / Enhanced / Sub skill Lv.4 → 5

90,000 Credit Points + 8x Normal Tech Notes (Trinity) + 6x Damaged Voynich Manuscript + 11x Golden Fleece

Basic / Enhanced / Sub skill Lv.5 → 6

300,000 Credit Points + 5x Advanced Tech Notes (Trinity) + 12x Normal Tech Notes (Trinity) + 9x Damaged Voynich Manuscript + 17x Golden Fleece

Basic / Enhanced / Sub skill Lv.6 → 7

450,000 Credit Points + 8x Advanced Tech Notes (Trinity) + 4x Annotated Voynich Manuscript + 15x Golden Yarn

Basic / Enhanced / Sub skill Lv.7 → 8

1,500,000 Credit Points + 8x Superior Tech Notes (Trinity) + 12x Advanced Tech Notes (Trinity) + 4x Intact Voynich Manuscript + 8x Golden Wool

Basic / Enhanced / Sub skill Lv.8 → 9

2,400,000 Credit Points + 12x Superior Tech Notes (Trinity) + 8x Intact Voynich Manuscript + 12x Golden Wool

Basic / Enhanced / Sub skill Lv.9 → 10

4,000,000 Credit Points + 1x Secret Tech Notes

Weapon stars · cost per unique-weapon star

Unique weapon 2★

1,000,000 Credit Points + 120x Ui (Swimsuit)'s Eleph

Unique weapon 3★

1,500,000 Credit Points + 180x Ui (Swimsuit)'s Eleph

Unique weapon 4★

2,000,000 Credit Points + 200x Ui (Swimsuit)'s Eleph

Unique weapon 5★

2,500,000 Credit Points + 1x Ui (Swimsuit)'s Eleph

Unique Weapon

Volume SuppressorATK +719 · HP +3233

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

Transcendence · per-star stat bonuses

★★ATK +10.0% HP +5.0% Heal +7.5%★★★ATK +22.0% HP +12.0% Heal +17.5%★★★★ATK +36.0% HP +21.0% Heal +29.5%★★★★★ATK +53.0% HP +35.0% Heal +44.5%

Bond bonuses · max affinity

DEF+167HP+925

Equipment slots

ShoesHairpinCharm

Profile

Full nameKozeki Ui

Age17 years old

BirthdayApril 23rd

Height5'5"

School year3rd Year

IllustratorCHILD

Voice actor後藤沙緒里

HobbyReading, curating, researching

MottoOn a business trip.

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.