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Aru (Dress)

Gehenna Academy

Aru (Dress)

★★★

/Piercing/Support

Atier

Introduction

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

On the Blue Archive tier list Aru (Dress) is A tier, 20th of the 242 students ranked.

Other Piercing students in Blue Archive: Akane, Aru (New Year), Ayane, Ayane (Swimsuit), Cherino, Chiaki (Swimsuit) and 62 more.

What Aru (Dress) does

A single-target buffer: her EX gives one other ally up to 83.4% Critical Damage for 30 seconds, and her normal attacks can lower the target's Critical Resistance. Every 50 seconds she also heals the lowest-HP ally other than herself.

Aru (Dress) in raids

On the raids usage list Aru (Dress) is A tier, 11th of 264: brought by 34% of ranked Global players to the last 8 raids, on average.

  • Raid usage34.35%

By raid, newest first

  • Hod (Indoor)55.3%
  • Gregorius (Indoor)1.8%
  • Hovercraft (Outdoor)26.7%
  • Drumbarka (Street)0.4%
  • Myouki Kurokage (Street)87.5%
  • KAITEN FX Mk.0 (Street)23.1%
  • Perorodzilla (Outdoor)76.2%
  • Goz (Outdoor)3.8%

Aru (Dress)'s banners

All banners
  • 15 September 2026 to 29 September 2026Pick-Up Recruitment
  • 9 September 2025 to 16 September 2025Pick-Up Recruitment
  • 20 August 2024 to 3 September 2024Pick-Up Recruitment

Profile

The boss of Problem Solver 68, now entrusted with a covert commission.

Though this attire is not her usual style of clothing, her disguise is perfect at first glance. She hides her delight at receiving a rare hard-boiled assignment behind a poker face.

Aru (Dress)'s full name is Rikuhachima Aru. Aru (Dress)'s birthday is March 12th, and Aru (Dress) stands 5'2" tall. Aru (Dress) is voiced by 近藤玲奈 in Japanese and Kwon Jiae in Korean. Aru (Dress)'s hobby is studying management. DoReMi drew Aru (Dress).

Stats

  • Max HP211th21,097
  • ATK81st3,923
  • DEF254th95
  • Healing198th5,716
  • Accuracy29th908
  • Evasion177th198
  • Crit210th201
  • Crit DMG200%
  • Stability41st1,980
  • Normal Attack Range94th750
  • 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: 2,218Level 90, 3 stars: 17,503Level 90, 5 stars: 21,097
  • ATKLevel 1, 3 stars: 345Level 90, 3 stars: 3,128Level 90, 5 stars: 3,923
  • DEFLevel 1, 3 stars: 17Level 90, 3 stars: 95Level 90, 5 stars: 95
  • HealingLevel 1, 3 stars: 1,661Level 90, 3 stars: 4,648Level 90, 5 stars: 5,716
  • AccuracyLevel 1, 3 stars: 908Level 90, 3 stars: 908Level 90, 5 stars: 908
  • EvasionLevel 1, 3 stars: 198Level 90, 3 stars: 198Level 90, 5 stars: 198
  • CritLevel 1, 3 stars: 201Level 90, 3 stars: 201Level 90, 5 stars: 201
  • 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: 1,980Level 90, 3 stars: 1,980Level 90, 5 stars: 1,980
  • 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: 5Level 90, 3 stars: 5Level 90, 5 stars: 5
  • 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
Piercing
Armor type
Heavy
Weapon
Sniper rifle
School
Gehenna Academy
Club
Problem Solver 68
Year and age
2nd Year, 16 years old
Equipment slots
Hat, Hairpin, Necklace

Terrain affinity

  • UrbanD
  • OutdoorB
  • IndoorS (SS with the weapon at 3 stars)

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

Skills

5

  • Intriguing Proposal

    EX Skill · Cost 3
    Level

    Increases Crit DMG for 1 ally, other than the user, by 83.4% (for 30 sec).

  • Beneficial Deal

    Basic Skill
    Level

    Recovers 151% of Healing as HP for an ally, other than the user, with the lowest current HP every 50 sec.

  • Dress-up

    Enhanced Skill
    Level

    Increases ATK by 26.6%.

  • Dress-up+

    Enhanced Skill +
    Level

    Increases ATK by 593. Also increases ATK by 26.6%.

    Replaces Dress-up once Aru (Dress)'s Exclusive Weapon reaches 2 stars.

  • Favorable Trade

    Sub Skill
    Level

    30% chance to decrease Crit RES by 15.3% when attacking (for 13 sec) (cooldown: 5 sec).

Exclusive Weapon

Upgrade planner

Wine Red/Admire

Sniper rifle

Aru's semi-automatic sniper rifle and a constant companion even during special missions. Its design complements her look even in the most elegant places.

  • 1 starLv. 30: ATK +451, Max HP +1,804, Healing +604
  • 2 starsLv. 40: ATK +563, Max HP +2,255, Healing +755Enhanced Skill becomes Dress-up+
  • 3 starsLv. 50: ATK +676, Max HP +2,706, Healing +906Indoor affinity S to SS
  • 4 starsLv. 60: ATK +789, Max HP +3,158, Healing +1,058Piercing 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

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

Relationship Rank bonus

  • 5Total bonus: ATK +12
  • 10Total bonus: ATK +32
  • 15Total bonus: ATK +62, Max HP +215
  • 20Total bonus: ATK +97, Max HP +470
  • 25Total bonus: ATK +107, Max HP +510
  • 30Total bonus: ATK +117, Max HP +550
  • 35Total bonus: ATK +132, Max HP +615
  • 40Total bonus: ATK +147, Max HP +680
  • 45Total bonus: ATK +167, Max HP +785
  • 50Total bonus: ATK +187, Max HP +890

Stats stop growing at rank 50.

Talents

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

Gifts Aru (Dress) likes

5

Favourites

  • Buried Treasure Map

Also liked

  • Antique Egg Handicraft
  • Extravagant Gilded Jar of Greed
  • Wind-Up Music Box
  • World's Most Useless Gadget

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

Lines and Memorial Lobby

When recruited: Finally, the day has come. Enjoy the show.

MomoTalk status: In the middle of an important task.

Aru (Dress)'s Recollection Lobby
Aru (Dress)'s Recollection Lobby

Upgrade costs

Open in the planner

EX Skill

  • Lv. 2Credit Points ×80,000Beginner Tactical Training Blu-ray (Gehenna) ×12Istanbul Rocket Piece ×15
  • Lv. 3Credit Points ×500,000Normal Tactical Training Blu-ray (Gehenna) ×12Beginner Tactical Training Blu-ray (Gehenna) ×18Broken Istanbul Rocket ×14Nimrud Lens Piece ×31
  • Lv. 4Credit Points ×3,000,000Advanced Tactical Training Blu-ray (Gehenna) ×12Normal Tactical Training Blu-ray (Gehenna) ×18Repaired Istanbul Rocket ×10Broken Nimrud Lens ×28
  • Lv. 5Credit Points ×10,000,000Superior Tactical Training Blu-ray (Gehenna) ×8Advanced Tactical Training Blu-ray (Gehenna) ×18Intact Istanbul Rocket ×8Damaged Nimrud Lens ×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) ×12Istanbul Rocket Piece ×6
  • Lv. 5Credit Points ×90,000Normal Tech Notes (Gehenna) ×8Broken Istanbul Rocket ×4Nimrud Lens Piece ×13
  • Lv. 6Credit Points ×300,000Advanced Tech Notes (Gehenna) ×5Normal Tech Notes (Gehenna) ×12Broken Istanbul Rocket ×9Nimrud Lens Piece ×17
  • Lv. 7Credit Points ×450,000Advanced Tech Notes (Gehenna) ×8Repaired Istanbul Rocket ×3Broken Nimrud Lens ×17
  • Lv. 8Credit Points ×1,500,000Superior Tech Notes (Gehenna) ×8Advanced Tech Notes (Gehenna) ×12Intact Istanbul Rocket ×5Damaged Nimrud Lens ×9
  • Lv. 9Credit Points ×2,400,000Superior Tech Notes (Gehenna) ×12Intact Istanbul Rocket ×8Damaged Nimrud Lens ×11
  • Lv. 10Credit Points ×4,000,000Secret Tech Notes ×1

Star promotion

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

Exclusive Weapon

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

Talent: Max HP

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

Talent: ATK

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

Talent: Healing

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

Art

Aru (Dress) key art

More Piercing students

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