

Introduction
Ui is a 3-star Explosive student in Blue Archive. Ui's role is Support. School: Trinity General School.
On the Blue Archive tier list Ui is A tier, 59th of the 242 students ranked.
Other Explosive students in Blue Archive: Airi, Airi (Band), Akane (School), Akari, Ako (Dress), Aru and 85 more.
What Ui does
Halves one ally's EX cost for their next two casts, rounded down, with a small Attack buff on top. Every 40 seconds she also raises Critical Rate for allies near her.
Ui in raids
On the raids usage list Ui is D tier, 71st of 264: brought by 2.5% of ranked Global players to the last 8 raids, on average.
- Raid usage2.48%
By raid, newest first
- Hod (Indoor)3.3%
- Gregorius (Indoor)0.2%
- Hovercraft (Outdoor)1.8%
- Drumbarka (Street)0.3%
- Myouki Kurokage (Street)6%
- KAITEN FX Mk.0 (Street)4.2%
- Perorodzilla (Outdoor)3.8%
- Goz (Outdoor)0.2%
Ui's banners
All banners- 17 September 2024 to 24 September 2024Pick-Up Recruitment
- 23 April 2024 to 30 April 2024Pick-Up Recruitment
- 11 August 2023 to 22 August 2023Pick-Up Recruitment
- 4 October 2022 to 18 October 2022Pick-Up Recruitment
Profile
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.
Ui's full name is Kozeki Ui. Ui's birthday is April 23rd, and Ui stands 5'5" tall. Ui is voiced by 後藤沙緒里 in Japanese and Yi Saeah in Korean. Ui's hobby is reading, Curating and Researching. CHILD drew Ui.
Stats
- Max HP193rd of 26722,879
- ATK146th of 2673,322
- DEF207th of 267105
- Healing148th of 2675,920
- Accuracy16th of 267941
- Evasion224th of 267190
- Crit149th of 267209
- Crit DMG200%
- Stability59th of 2671,908
- Normal Attack Range94th of 267750
- 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: 2,404Level 90, 3 stars: 18,981Level 90, 5 stars: 22,879
- ATKLevel 1, 3 stars: 291Level 90, 3 stars: 2,649Level 90, 5 stars: 3,322
- DEFLevel 1, 3 stars: 19Level 90, 3 stars: 105Level 90, 5 stars: 105
- HealingLevel 1, 3 stars: 1,721Level 90, 3 stars: 4,814Level 90, 5 stars: 5,920
- AccuracyLevel 1, 3 stars: 941Level 90, 3 stars: 941Level 90, 5 stars: 941
- EvasionLevel 1, 3 stars: 190Level 90, 3 stars: 190Level 90, 5 stars: 190
- CritLevel 1, 3 stars: 209Level 90, 3 stars: 209Level 90, 5 stars: 209
- 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: 1,908Level 90, 3 stars: 1,908Level 90, 5 stars: 1,908
- 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: 7Level 90, 3 stars: 7Level 90, 5 stars: 7
- 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
- Explosive
- Armor type
- Light
- Weapon
- Sniper rifle
- School
Trinity General School- Club
- Library Committee
- Year and age
- 3rd Year, 17 years old
- Equipment slots
- Gloves, Hairpin, Charm
Terrain affinity
- UrbanB
- OutdoorS (SS with the weapon at 3 stars)
- IndoorD
Affinity sets how well a student fights on each stage type, from D up to SS.
Skills
5
Ancient Texts Expert
EX Skill · Cost 3LevelDecreases 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).

Imparting Knowledge
Basic SkillLevelIncreases Crit by 25.9% for allies in a circular area (for 33 sec) every 40 sec.

Expert Skill
Enhanced SkillLevelIncreases Crit by 26.6%.

Expert Skill+
Enhanced Skill +LevelIncreases Crit by 190. Also increases Crit by 26.6%.
Replaces Expert Skill once Ui's Exclusive Weapon reaches 2 stars.

Jitters
Sub SkillLevelIncreases ATK SPD by 45.9% when using EX skills (for 20 sec).
Exclusive Weapon
Upgrade plannerVolume Suppressor
Sniper rifle
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.
- 1 starLv. 30: ATK +381, Max HP +1,957
- 2 starsLv. 40: ATK +477, Max HP +2,446Enhanced Skill becomes Expert Skill+
- 3 starsLv. 50: ATK +572, Max HP +2,935Outdoor affinity S to SS
- 4 starsLv. 60: ATK +668, Max HP +3,424Explosive 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 starts at 3 stars. Each star also lifts the Relationship Rank cap.
Relationship Rank bonus
- 5Total bonus: Max HP +76
- 10Total bonus: Max HP +216
- 15Total bonus: Max HP +401, ATK +30
- 20Total bonus: Max HP +636, ATK +65
- 25Total bonus: Max HP +696, ATK +70
- 30Total bonus: Max HP +756, ATK +75
- 35Total bonus: Max HP +846, ATK +85
- 40Total bonus: Max HP +936, ATK +95
- 45Total bonus: Max HP +1,086, ATK +110
- 50Total bonus: Max HP +1,236, ATK +125
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)
Gifts Ui likes
7Favourites
Classical Poetry Anthology
Guns, Charm, and Zeal
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's favourite-item tags it carries. Gifts not listed still give the base amount.
Lines and Memorial Lobby
When recruited: P-Please, keep it down...
MomoTalk status: AFK

Upgrade costs
Open in the plannerEX Skill
- Lv. 2
Credit Points ×80,000
Beginner Tactical Training Blu-ray (Trinity) ×12
Nimrud Lens Piece ×16 - Lv. 3
Credit Points ×500,000
Normal Tactical Training Blu-ray (Trinity) ×12
Beginner Tactical Training Blu-ray (Trinity) ×18
Broken Nimrud Lens ×13
Voynich Manuscript Page ×32 - Lv. 4
Credit Points ×3,000,000
Advanced Tactical Training Blu-ray (Trinity) ×12
Normal Tactical Training Blu-ray (Trinity) ×18
Damaged Nimrud Lens ×8
Damaged Voynich Manuscript ×26 - Lv. 5
Credit Points ×10,000,000
Superior Tactical Training Blu-ray (Trinity) ×8
Advanced Tactical Training Blu-ray (Trinity) ×18
Intact Nimrud Lens ×7
Annotated Voynich Manuscript ×21
Basic, Enhanced and Sub Skills
- Lv. 2
Credit Points ×5,000
Beginner Tech Notes (Trinity) ×5 - Lv. 3
Credit Points ×7,500
Beginner Tech Notes (Trinity) ×8 - Lv. 4
Credit Points ×60,000
Normal Tech Notes (Trinity) ×5
Beginner Tech Notes (Trinity) ×12
Nimrud Lens Piece ×4 - Lv. 5
Credit Points ×90,000
Normal Tech Notes (Trinity) ×8
Broken Nimrud Lens ×4
Voynich Manuscript Page ×13 - Lv. 6
Credit Points ×300,000
Advanced Tech Notes (Trinity) ×5
Normal Tech Notes (Trinity) ×12
Broken Nimrud Lens ×9
Voynich Manuscript Page ×19 - Lv. 7
Credit Points ×450,000
Advanced Tech Notes (Trinity) ×8
Damaged Nimrud Lens ×3
Damaged Voynich Manuscript ×19 - Lv. 8
Credit Points ×1,500,000
Superior Tech Notes (Trinity) ×8
Advanced Tech Notes (Trinity) ×12
Intact Nimrud Lens ×4
Annotated Voynich Manuscript ×8 - Lv. 9
Credit Points ×2,400,000
Superior Tech Notes (Trinity) ×12
Intact Nimrud Lens ×7
Annotated Voynich Manuscript ×13 - Lv. 10
Credit Points ×4,000,000
Secret Tech Notes ×1
Star promotion
- 4 stars
Credit Points ×200,000
Ui's Eleph ×100 - 5 stars
Credit Points ×1,000,000
Ui's Eleph ×120
Exclusive Weapon
- 2 stars
Credit Points ×1,000,000
Ui's Eleph ×120 - 3 stars
Credit Points ×1,500,000
Ui's Eleph ×180 - 4 stars
Credit Points ×2,000,000
Ui's Eleph ×200
Talent: Max HP
- Lv. 1-5
Credit Points ×500,000
Nimrud Lens Piece ×50
Physical Education Workbook ×10 - Lv. 6-10
Credit Points ×500,000
Nimrud Lens Piece ×75
Physical Education Workbook ×10 - Lv. 11-15
Credit Points ×500,000
Nimrud Lens Piece ×100
Physical Education Workbook ×10 - Lv. 16-20
Credit Points ×1,000,000
Broken Nimrud Lens ×30
Physical Education Workbook ×20 - Lv. 21-25
Credit Points ×1,000,000
Broken Nimrud Lens ×40
Physical Education Workbook ×20
Talent: ATK
- Lv. 1-5
Credit Points ×500,000
Nimrud Lens Piece ×50
Shooting Workbook ×10 - Lv. 6-10
Credit Points ×500,000
Nimrud Lens Piece ×75
Shooting Workbook ×10 - Lv. 11-15
Credit Points ×500,000
Nimrud Lens Piece ×100
Shooting Workbook ×10 - Lv. 16-20
Credit Points ×1,000,000
Broken Nimrud Lens ×30
Shooting Workbook ×20 - Lv. 21-25
Credit Points ×1,000,000
Broken Nimrud Lens ×40
Shooting Workbook ×20
Talent: Healing
- Lv. 1-5
Credit Points ×500,000
Nimrud Lens Piece ×50
Hygiene Workbook ×10 - Lv. 6-10
Credit Points ×500,000
Nimrud Lens Piece ×75
Hygiene Workbook ×10 - Lv. 11-15
Credit Points ×500,000
Nimrud Lens Piece ×100
Hygiene Workbook ×10 - Lv. 16-20
Credit Points ×1,000,000
Broken Nimrud Lens ×30
Hygiene Workbook ×20 - Lv. 21-25
Credit Points ×1,000,000
Broken Nimrud Lens ×40
Hygiene Workbook ×20
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