Blue Archive · student

Ui

Uiウイ우이

★★★◉Explosion LightArmor ✦Supporter Striker Trinity Back SR Standard

Unchanged since July 18, 2026

LV.90

Combat

UrbanBOutdoorSIndoorD

Stats · Lv.90 Stats at any level →

HP18,981

ATK2,648

DEF104

Heal4,813

Crit209

Crit DMG200%

Crit RES100

Stability1,908

Accuracy941

Evasion190

Range750

DEF Pen0

CC Power100

CC RES100

Ammo7

Ammo cost1

Move Speed200

Heal Effectiveness10,000

Skills

Ancient Texts ExpertEX Skill · Cost 3 · Lv.5

Decreases another ally's EX Skill Cost by a maximum of 50% (for up to 2 uses of the EX Skill, rounding down). Also increases ATK by 16.1% (for 46 sec).

Drag to see per-level scaling

Imparting KnowledgeBasic Skill · Lv.10

Increases Crit by 25.9% for allies in a circular area (for 33 sec) every 40 sec.

Drag to see per-level scaling

Expert Skill+Enhanced Skill · Lv.10

Increases Crit by 190. Also increases Crit by 26.6%.

Drag to see per-level scaling

JittersSub Skill · Lv.10

Increases ATK SPD by 45.9% when using EX skills (for 20 sec).

Drag to see per-level scaling

Loved gifts · raise this student's affinity the most

Antique Egg HandicraftSSR

Liked gifts · genre favorites — extra affinity

Classical Poetry AnthologySR · matches 2 tagsGuns, Charm, and ZealSR · matches 2 tagsStreets of Thugs Vol. 1SSREncyclopediaSRExtraordinary 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's Eleph

3★

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

4★

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

5★

1,000,000 Credit Points + 120x Ui'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) + 16x Nimrud Lens Piece

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) + 13x Broken Nimrud Lens + 32x Voynich Manuscript Page

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) + 8x Damaged Nimrud Lens + 26x Damaged Voynich Manuscript

Basic / Enhanced / Sub skill Lv.3 → 4

60,000 Credit Points + 5x Normal Tech Notes (Trinity) + 12x Beginner Tech Notes (Trinity) + 4x Nimrud Lens Piece

EX skill Lv.4 → 5

10,000,000 Credit Points + 8x Superior Tactical Training Blu-ray (Trinity) + 18x Advanced Tactical Training Blu-ray (Trinity) + 7x Intact Nimrud Lens + 21x Annotated Voynich Manuscript

Basic / Enhanced / Sub skill Lv.4 → 5

90,000 Credit Points + 8x Normal Tech Notes (Trinity) + 4x Broken Nimrud Lens + 13x Voynich Manuscript Page

Basic / Enhanced / Sub skill Lv.5 → 6

300,000 Credit Points + 5x Advanced Tech Notes (Trinity) + 12x Normal Tech Notes (Trinity) + 9x Broken Nimrud Lens + 19x Voynich Manuscript Page

Basic / Enhanced / Sub skill Lv.6 → 7

450,000 Credit Points + 8x Advanced Tech Notes (Trinity) + 3x Damaged Nimrud Lens + 19x Damaged Voynich Manuscript

Basic / Enhanced / Sub skill Lv.7 → 8

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

Basic / Enhanced / Sub skill Lv.8 → 9

2,400,000 Credit Points + 12x Superior Tech Notes (Trinity) + 7x Intact Nimrud Lens + 13x Annotated Voynich Manuscript

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's Eleph

Unique weapon 3★

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

Unique weapon 4★

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

Unique weapon 5★

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

Unique Weapon

Volume SuppressorATK +668 · HP +3424

A silencer rifle that Ui takes out when she can't stand the noise around her anymore. It lives up to its name, and silences its targets swiftly and effectively.

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

HP+1236DEF+125

Equipment slots

GlovesHairpinCharm

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

MottoAFK

Trinity Library Committee's Director. A girl said to love books more than people that especially likes old books that clearly have history. She normally spends her time cooped up in Trinity's old library, curating the ancient texts.