Menu

Next launch

Petit PlanetIn 20 daysGlobal

Latest codesAll

Yuuka

Millennium Science School

Yuuka

★★

/Explosive/Tank

Btier

Introduction

Yuuka is a 2-star Explosive student in Blue Archive. Yuuka's role is Tank. School: Millennium Science School.

On the Blue Archive tier list Yuuka is B tier, 78th of the 242 students ranked.

Other Explosive students in Blue Archive: Airi, Airi (Band), Akane (School), Akari, Ako (Dress), Aru and 85 more.

What Yuuka does

A shield tank: her EX wraps her in a shield for up to 25 seconds, and she heals herself whenever she takes cover, at most every 10 seconds. Her Normal skill fires a solid single-target shot every 15 seconds.

Yuuka in raids

On the raids usage list Yuuka is C tier, 58th of 264: brought by 3.5% of ranked Global players to the last 8 raids, on average.

  • Raid usage3.55%

By raid, newest first

  • Hod (Indoor)3.3%
  • Gregorius (Indoor)2.1%
  • Hovercraft (Outdoor)1.9%
  • Drumbarka (Street)0.1%
  • Myouki Kurokage (Street)6.2%
  • KAITEN FX Mk.0 (Street)5.9%
  • Perorodzilla (Outdoor)8.2%
  • Goz (Outdoor)0.8%

Profile

The treasurer of Seminar, the student council of Millennium Science School.

Yuuka has a mathematical acumen that is notable even among Millennium's high ratio of STEM students. She oversees the entirety of Millennium's budget. Her special talent is the abacus, and she has a habit of fiddling with the beads when dealing with emotional or mental conflicts.

Yuuka's full name is Hayase Yuuka. Yuuka's birthday is March 14th, and Yuuka stands 5'1" tall. Yuuka is voiced by 春花らん in Japanese and Shin Nari in Korean. Yuuka's hobby is doing calculations. Hwansang drew Yuuka.

Stats

  • Max HP4th61,213
  • ATK265th1,508
  • DEF99th164
  • Healing222nd5,663
  • Accuracy242nd100
  • Evasion1st1,440
  • Crit227th200
  • Crit DMG200%
  • Stability130th1,396
  • Normal Attack Range246th350
  • 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, 2 stars: 3,147Level 90, 2 stars: 47,610Level 90, 5 stars: 61,213
  • ATKLevel 1, 2 stars: 119Level 90, 2 stars: 1,084Level 90, 5 stars: 1,508
  • DEFLevel 1, 2 stars: 29Level 90, 2 stars: 164Level 90, 5 stars: 164
  • HealingLevel 1, 2 stars: 1,505Level 90, 2 stars: 4,213Level 90, 5 stars: 5,663
  • AccuracyLevel 1, 2 stars: 100Level 90, 2 stars: 100Level 90, 5 stars: 100
  • EvasionLevel 1, 2 stars: 1,440Level 90, 2 stars: 1,440Level 90, 5 stars: 1,440
  • CritLevel 1, 2 stars: 200Level 90, 2 stars: 200Level 90, 5 stars: 200
  • Crit ResLevel 1, 2 stars: 100Level 90, 2 stars: 100Level 90, 5 stars: 100
  • Crit DMGLevel 1, 2 stars: 200%Level 90, 2 stars: 200%Level 90, 5 stars: 200%
  • Crit DMG ResLevel 1, 2 stars: 50%Level 90, 2 stars: 50%Level 90, 5 stars: 50%
  • StabilityLevel 1, 2 stars: 1,396Level 90, 2 stars: 1,396Level 90, 5 stars: 1,396
  • Normal Attack RangeLevel 1, 2 stars: 350Level 90, 2 stars: 350Level 90, 5 stars: 350
  • CC PowerLevel 1, 2 stars: 100Level 90, 2 stars: 100Level 90, 5 stars: 100
  • CC ResLevel 1, 2 stars: 100Level 90, 2 stars: 100Level 90, 5 stars: 100
  • Recovery BoostLevel 1, 2 stars: 100%Level 90, 2 stars: 100%Level 90, 5 stars: 100%
  • Cost RecoveryLevel 1, 2 stars: 700Level 90, 2 stars: 700Level 90, 5 stars: 700
  • Mag CountLevel 1, 2 stars: 27Level 90, 2 stars: 27Level 90, 5 stars: 27
  • DEF PenetrationLevel 1, 2 stars: 0Level 90, 2 stars: 0Level 90, 5 stars: 0
  • MobilityLevel 1, 2 stars: 200Level 90, 2 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
Front
Attack type
Explosive
Armor type
Heavy
Weapon
Submachine gun
School
Millennium Science School
Club
Seminar
Year and age
2nd Year, 16 years old
Equipment slots
Shoes, Badge, Charm

Terrain affinity

  • UrbanB (A with the weapon at 3 stars)
  • OutdoorB
  • IndoorA

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

Skills

6

  • Q.E.D.

    EX Skill · Cost 3
    Level

    Casts 248% of Healing as a barrier (for 25 sec).

  • I.F.F.

    Basic Skill
    Level

    Deals 573% of ATK as damage to 1 enemy every 15 sec.

  • I.F.F+

    Basic Skill +
    Level

    Deals 625% of ATK as damage to 1 enemy every 15 sec. Increases the user's Evasion by 33.8% (for 10 sec).

    Replaces I.F.F. once Yuuka's Unique Item reaches T2.

  • Optimal Solution

    Enhanced Skill
    Level

    Increases DEF by 26.6%.

  • Optimal Solution+

    Enhanced Skill +
    Level

    Increases Cover Success Rate by 1900. Also increases DEF by 26.6%.

    Replaces Optimal Solution once Yuuka's Exclusive Weapon reaches 2 stars.

  • Speedy Mental Calculations

    Sub Skill
    Level

    When taking cover, recovers 142% of Healing as HP (cooldown: 10 sec).

Exclusive Weapon

Upgrade planner

Logic & Reason

Submachine gun

A pair of machine guns used by Yuuka. They help Yuuka make rational and intelligent decisions.

  • 1 starLv. 30: ATK +156, Max HP +4,646, Healing +539
  • 2 starsLv. 40: ATK +195, Max HP +5,807, Healing +673Enhanced Skill becomes Optimal Solution+
  • 3 starsLv. 50: ATK +234, Max HP +6,969, Healing +808Urban affinity B to A
  • 4 starsLv. 60: ATK +273, Max HP +8,131, Healing +943Explosive damage +10%

Unique Item

Yuuka's Scientific Calculator

A scientific calculator Yuuka is never seen without. Despite her excellent mental arithmetic skills, Yuuka always double checks her calculations to ensure perfection.

  • T1DEF +500From Relationship Rank 15
  • T2Basic Skill becomes I.F.F+From Relationship Rank 20

Stars and Relationship Rank

Star bonuses

  • 3 starsBonus over 1 star: ATK +12%, Max HP +7%, Healing +10%Rank cap: 20
  • 4 starsBonus over 1 star: ATK +26%, Max HP +16%, Healing +22%Rank cap: 30
  • 5 starsBonus over 1 star: ATK +43%, Max HP +30%, Healing +37%Rank cap: 100

Yuuka starts at 2 stars. Each star also lifts the Relationship Rank cap.

Relationship Rank bonus

  • 5Total bonus: Max HP +200
  • 10Total bonus: Max HP +575
  • 15Total bonus: Max HP +1,075, ATK +15
  • 20Total bonus: Max HP +1,700, ATK +30
  • 25Total bonus: Max HP +1,860, ATK +35
  • 30Total bonus: Max HP +2,020, ATK +40
  • 35Total bonus: Max HP +2,260, ATK +45
  • 40Total bonus: Max HP +2,500, ATK +50
  • 45Total bonus: Max HP +2,905, ATK +55
  • 50Total bonus: Max HP +3,310, ATK +60

Stats stop growing at rank 50.

Talents

  • Max HP25 levels, up to +5%
  • ATK25 levels, up to +5%
  • Healing25 levels, up to +5%

Gifts Yuuka likes

1

Favourites

  • Brain Teaser Puzzle Cube

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

Lines and Memorial Lobby

MomoTalk status: Just as I calculated...

Yuuka's Recollection Lobby
Yuuka's Recollection Lobby

Upgrade costs

Open in the planner

EX Skill

  • Lv. 2Credit Points ×80,000Beginner Tactical Training Blu-ray (Millennium) ×12Nimrud Lens Piece ×12
  • Lv. 3Credit Points ×500,000Normal Tactical Training Blu-ray (Millennium) ×12Beginner Tactical Training Blu-ray (Millennium) ×18Broken Nimrud Lens ×11Antikythera Mechanism Piece ×33
  • Lv. 4Credit Points ×3,000,000Advanced Tactical Training Blu-ray (Millennium) ×12Normal Tactical Training Blu-ray (Millennium) ×18Damaged Nimrud Lens ×10Broken Antikythera Mechanism ×27
  • Lv. 5Credit Points ×10,000,000Superior Tactical Training Blu-ray (Millennium) ×8Advanced Tactical Training Blu-ray (Millennium) ×18Intact Nimrud Lens ×9Damaged Antikythera Mechanism ×20

Basic, Enhanced and Sub Skills

  • Lv. 2Credit Points ×5,000Beginner Tech Notes (Millennium) ×5
  • Lv. 3Credit Points ×7,500Beginner Tech Notes (Millennium) ×8
  • Lv. 4Credit Points ×60,000Normal Tech Notes (Millennium) ×5Beginner Tech Notes (Millennium) ×12Nimrud Lens Piece ×4
  • Lv. 5Credit Points ×90,000Normal Tech Notes (Millennium) ×8Broken Nimrud Lens ×5Antikythera Mechanism Piece ×10
  • Lv. 6Credit Points ×300,000Advanced Tech Notes (Millennium) ×5Normal Tech Notes (Millennium) ×12Broken Nimrud Lens ×11Antikythera Mechanism Piece ×20
  • Lv. 7Credit Points ×450,000Advanced Tech Notes (Millennium) ×8Damaged Nimrud Lens ×2Broken Antikythera Mechanism ×15
  • Lv. 8Credit Points ×1,500,000Superior Tech Notes (Millennium) ×8Advanced Tech Notes (Millennium) ×12Intact Nimrud Lens ×4Damaged Antikythera Mechanism ×7
  • Lv. 9Credit Points ×2,400,000Superior Tech Notes (Millennium) ×12Intact Nimrud Lens ×7Damaged Antikythera Mechanism ×13
  • Lv. 10Credit Points ×4,000,000Secret Tech Notes ×1

Star promotion

  • 3 starsCredit Points ×40,000Yuuka's Eleph ×80
  • 4 starsCredit Points ×200,000Yuuka's Eleph ×100
  • 5 starsCredit Points ×1,000,000Yuuka's Eleph ×120

Exclusive Weapon

  • 2 starsCredit Points ×1,000,000Yuuka's Eleph ×120
  • 3 starsCredit Points ×1,500,000Yuuka's Eleph ×180
  • 4 starsCredit Points ×2,000,000Yuuka's Eleph ×200

Unique Item

  • T2Credit Points ×500,000Brain Teaser Puzzle Cube ×4Antikythera Mechanism Piece ×80Broken Antikythera Mechanism ×25

Talent: Max HP

  • Lv. 1-5Credit Points ×500,000Nimrud Lens Piece ×50Physical Education Workbook ×10
  • Lv. 6-10Credit Points ×500,000Nimrud Lens Piece ×75Physical Education Workbook ×10
  • Lv. 11-15Credit Points ×500,000Nimrud Lens Piece ×100Physical Education Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Broken Nimrud Lens ×30Physical Education Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Broken Nimrud Lens ×40Physical Education Workbook ×20

Talent: ATK

  • Lv. 1-5Credit Points ×500,000Nimrud Lens Piece ×50Shooting Workbook ×10
  • Lv. 6-10Credit Points ×500,000Nimrud Lens Piece ×75Shooting Workbook ×10
  • Lv. 11-15Credit Points ×500,000Nimrud Lens Piece ×100Shooting Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Broken Nimrud Lens ×30Shooting Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Broken Nimrud Lens ×40Shooting Workbook ×20

Talent: Healing

  • Lv. 1-5Credit Points ×500,000Nimrud Lens Piece ×50Hygiene Workbook ×10
  • Lv. 6-10Credit Points ×500,000Nimrud Lens Piece ×75Hygiene Workbook ×10
  • Lv. 11-15Credit Points ×500,000Nimrud Lens Piece ×100Hygiene Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Broken Nimrud Lens ×30Hygiene Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Broken Nimrud Lens ×40Hygiene Workbook ×20

Art

Yuuka key art

More Explosive students

All students