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Ako (Dress)

Gehenna Academy

Ako (Dress)

★★★

/Explosive/Support

Btier

Introduction

Ako (Dress) is a 3-star Explosive student in Blue Archive. Ako (Dress)'s role is Support. School: Gehenna Academy.

On the Blue Archive tier list Ako (Dress) is B tier, 74th of the 242 students ranked.

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

What Ako (Dress) does

A group crit buffer. Her EX gives every ally in its circle up to 19.8% Critical Rate and 57.5% Critical Damage for 30 seconds and adds a Perfect bodyguard stack, up to 15.

Those stacks raise her own Attack and power her normal skill, which shreds an enemy's Defense every 35 seconds and hits for up to 1212% at 12 or more stacks.

Ako (Dress) in raids

On the raids usage list Ako (Dress) is D tier, 145th of 264: brought by 0.6% of ranked Global players to the last 8 raids, on average.

  • Raid usage0.6%

By raid, newest first

  • Hod (Indoor)0.5%
  • Gregorius (Indoor)0.1%
  • Hovercraft (Outdoor)0.9%
  • Drumbarka (Street)0.4%
  • Myouki Kurokage (Street)0.8%
  • KAITEN FX Mk.0 (Street)1.5%
  • Perorodzilla (Outdoor)0.4%
  • Goz (Outdoor)0.2%

Ako (Dress)'s banners

All banners
  • 3 November 2026 to 10 November 2026Unique Recruitment
  • 13 May 2025 to 27 May 2025Unique Recruitment
  • 23 July 2024 to 30 July 2024Unique Recruitment

Profile

Senior administrator of the Gehenna Prefect Team and secretary to Head Prefect Hina.

She's dressed up in bold formal wear for the upcoming party to stand proudly by Hina's side. Ako's well-known and admired for her impeccable attention to detail and competency, but she's upping the ante this time to become the perfect agent.

Ako (Dress)'s full name is Amau Ako. Ako (Dress)'s birthday is December 22nd, and Ako (Dress) stands 5'5" tall. Ako (Dress) is voiced by 高野麻里佳 in Japanese and Kim Yealim in Korean. Ako (Dress)'s hobby is hina. DoReMi drew Ako (Dress).

Stats

  • Max HP72nd28,761
  • ATK245th2,016
  • DEF244th99
  • Healing98th6,223
  • Accuracy173rd439
  • Evasion138th720
  • Crit90th219
  • Crit DMG200%
  • Stability267th900
  • Normal Attack Range194th550
  • 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: 2,268Level 90, 3 stars: 23,861Level 90, 5 stars: 28,761
  • ATKLevel 1, 3 stars: 176Level 90, 3 stars: 1,607Level 90, 5 stars: 2,016
  • DEFLevel 1, 3 stars: 18Level 90, 3 stars: 99Level 90, 5 stars: 99
  • HealingLevel 1, 3 stars: 1,809Level 90, 3 stars: 5,060Level 90, 5 stars: 6,223
  • AccuracyLevel 1, 3 stars: 439Level 90, 3 stars: 439Level 90, 5 stars: 439
  • EvasionLevel 1, 3 stars: 720Level 90, 3 stars: 720Level 90, 5 stars: 720
  • 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: 900Level 90, 3 stars: 900Level 90, 5 stars: 900
  • Normal Attack RangeLevel 1, 3 stars: 550Level 90, 3 stars: 550Level 90, 5 stars: 550
  • 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: 8Level 90, 3 stars: 8Level 90, 5 stars: 8
  • 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
Middle
Attack type
Explosive
Armor type
Special
Weapon
Handgun
School
Gehenna Academy
Club
Prefect Team
Year and age
3rd Year, 17 years old
Equipment slots
Shoes, Hairpin, Watch

Terrain affinity

  • UrbanD
  • OutdoorS (SS with the weapon at 3 stars)
  • IndoorB

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

Skills

5

  • Perfect Agent

    EX Skill · Cost 5
    Level

    Increases Crit by 19.8% and Crit DMG by 57.5% for allies in a circular area (for 30 sec). Also adds 1 Successful Protection for every 1 affected ally (max 15).

  • I Don't Miss!

    Basic Skill
    Level

    Decreases DEF by 24% for 1 enemy (for 22 sec) every 35 sec. Increases DMG based on the accrued Successful Protection count. 3 or less: 942% of ATK as DMG. 4-7: 1010% of ATK as DMG. 8-11: 1111% of ATK as DMG. 12 or more: 1212% of ATK as DMG.

  • Agent's Confidence

    Enhanced Skill
    Level

    Increases Max HP by 26.6%.

  • Agent's Confidence+

    Enhanced Skill +
    Level

    Increases ATK by 329. Also increases Max HP by 26.6%.

    Replaces Agent's Confidence once Ako (Dress)'s Exclusive Weapon reaches 2 stars.

  • Operation Outcome

    Sub Skill
    Level

    Increases ATK by 5.7% for every 1 Successful Protection.

Exclusive Weapon

Upgrade planner

Hot Shot

Handgun

Ako's pistol. It's been designed to perfectly fit Ako's skill set, this time with an emphasis on her secret role as Gehenna's special agent.

  • 1 starLv. 30: ATK +232, Max HP +2,442
  • 2 starsLv. 40: ATK +290, Max HP +3,052Enhanced Skill becomes Agent's Confidence+
  • 3 starsLv. 50: ATK +348, Max HP +3,663Outdoor affinity S to SS
  • 4 starsLv. 60: ATK +406, Max HP +4,274Explosive 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

Ako (Dress) starts at 3 stars. Each star also lifts the Relationship Rank cap.

Relationship Rank bonus

  • 5Total bonus: ATK +4
  • 10Total bonus: ATK +14
  • 15Total bonus: ATK +29, Max HP +295
  • 20Total bonus: ATK +49, Max HP +645
  • 25Total bonus: ATK +54, Max HP +705
  • 30Total bonus: ATK +59, Max HP +765
  • 35Total bonus: ATK +64, Max HP +850
  • 40Total bonus: ATK +69, Max HP +935
  • 45Total bonus: ATK +79, Max HP +1,080
  • 50Total bonus: ATK +89, Max HP +1,225

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 Ako (Dress))

Gifts Ako (Dress) likes

8

Favourites

  • Antique Egg Handicraft
  • Buried Treasure Map
  • Encyclopedia
  • Extraordinary Cottontail Detective: Case of the Misty Hot Spring Slide
  • Extravagant Gilded Jar of Greed
  • Health Food Supplement
  • Wind-Up Music Box
  • World's Most Useless Gadget

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

Lines and Memorial Lobby

When recruited: I won't allow a single mistake on our mission!

MomoTalk status: I may be just one agent...

Ako (Dress)'s Recollection Lobby
Ako (Dress)'s Recollection Lobby

Upgrade costs

Open in the planner

EX Skill

  • Lv. 2Credit Points ×80,000Beginner Tactical Training Blu-ray (Gehenna) ×12Mandrake Seed ×15
  • Lv. 3Credit Points ×500,000Normal Tactical Training Blu-ray (Gehenna) ×12Beginner Tactical Training Blu-ray (Gehenna) ×18Mandrake Sprout ×13Golden Fleece ×28
  • Lv. 4Credit Points ×3,000,000Advanced Tactical Training Blu-ray (Gehenna) ×12Normal Tactical Training Blu-ray (Gehenna) ×18Mandrake Juice ×10Golden Yarn ×28
  • Lv. 5Credit Points ×10,000,000Superior Tactical Training Blu-ray (Gehenna) ×8Advanced Tactical Training Blu-ray (Gehenna) ×18Mandrake Extract ×8Golden Wool ×21

Basic, Enhanced and Sub Skills

  • Lv. 2Credit Points ×5,000Beginner Tech Notes (Gehenna) ×5
  • Lv. 3Credit Points ×7,500Beginner Tech Notes (Gehenna) ×8
  • Lv. 4Credit Points ×60,000Normal Tech Notes (Gehenna) ×5Beginner Tech Notes (Gehenna) ×12Mandrake Seed ×6
  • Lv. 5Credit Points ×90,000Normal Tech Notes (Gehenna) ×8Mandrake Sprout ×5Golden Fleece ×14
  • Lv. 6Credit Points ×300,000Advanced Tech Notes (Gehenna) ×5Normal Tech Notes (Gehenna) ×12Mandrake Sprout ×10Golden Fleece ×17
  • Lv. 7Credit Points ×450,000Advanced Tech Notes (Gehenna) ×8Mandrake Juice ×5Golden Yarn ×16
  • Lv. 8Credit Points ×1,500,000Superior Tech Notes (Gehenna) ×8Advanced Tech Notes (Gehenna) ×12Mandrake Extract ×6Golden Wool ×9
  • Lv. 9Credit Points ×2,400,000Superior Tech Notes (Gehenna) ×12Mandrake Extract ×7Golden Wool ×11
  • Lv. 10Credit Points ×4,000,000Secret Tech Notes ×1

Star promotion

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

Exclusive Weapon

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

Talent: Max HP

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

Talent: ATK

  • Lv. 1-5Credit Points ×500,000Mandrake Seed ×50Shooting Workbook ×10
  • Lv. 6-10Credit Points ×500,000Mandrake Seed ×75Shooting Workbook ×10
  • Lv. 11-15Credit Points ×500,000Mandrake Seed ×100Shooting Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Mandrake Sprout ×30Shooting Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Mandrake Sprout ×40Shooting Workbook ×20

Talent: Healing

  • Lv. 1-5Credit Points ×500,000Mandrake Seed ×50Hygiene Workbook ×10
  • Lv. 6-10Credit Points ×500,000Mandrake Seed ×75Hygiene Workbook ×10
  • Lv. 11-15Credit Points ×500,000Mandrake Seed ×100Hygiene Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Mandrake Sprout ×30Hygiene Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Mandrake Sprout ×40Hygiene Workbook ×20

Art

Ako (Dress) key art

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