Blue Archive · student

Aru (Dress)

Aru (Dress)アル（ドレス）아루(드레스)

★★★◈Pierce HeavyArmor ✦Supporter Striker Gehenna Back SR Standard

Unchanged since July 18, 2026

LV.90

Combat

UrbanDOutdoorBIndoorS

Stats · Lv.90 Stats at any level →

HP17,502

ATK3,128

DEF94

Heal4,648

Crit201

Crit DMG200%

Crit RES100

Stability1,980

Accuracy908

Evasion198

Range750

DEF Pen0

CC Power100

CC RES100

Ammo5

Ammo cost1

Move Speed200

Heal Effectiveness10,000

Skills

Intriguing ProposalEX Skill · Cost 3 · Lv.5

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

Drag to see per-level scaling

Beneficial DealBasic Skill · Lv.10

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

Drag to see per-level scaling

Dress-up+Enhanced Skill · Lv.10

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

Drag to see per-level scaling

Favorable TradeSub Skill · 5000s CD · Lv.10

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

Drag to see per-level scaling

Loved gifts · raise this student's affinity the most

Antique Egg HandicraftSSRExtravagant Gilded Jar of GreedSRWorld's Most Useless GadgetSR

Liked gifts · genre favorites — extra affinity

Buried Treasure MapSR · matches 2 tagsWind-Up Music BoxSR

Star levels · credits and Eleph per star

2★

10,000 Credit Points + 30x Aru (Dress)'s Eleph

3★

40,000 Credit Points + 80x Aru (Dress)'s Eleph

4★

200,000 Credit Points + 100x Aru (Dress)'s Eleph

5★

1,000,000 Credit Points + 120x Aru (Dress)'s Eleph

Skill levels · per skill slot, per level

EX skill Lv.1 → 2

80,000 Credit Points + 12x Beginner Tactical Training Blu-ray (Gehenna) + 15x Istanbul Rocket Piece

Basic / Enhanced / Sub skill Lv.1 → 2

5,000 Credit Points + 5x Beginner Tech Notes (Gehenna)

EX skill Lv.2 → 3

500,000 Credit Points + 12x Normal Tactical Training Blu-ray (Gehenna) + 18x Beginner Tactical Training Blu-ray (Gehenna) + 14x Broken Istanbul Rocket + 31x Nimrud Lens Piece

Basic / Enhanced / Sub skill Lv.2 → 3

7,500 Credit Points + 8x Beginner Tech Notes (Gehenna)

EX skill Lv.3 → 4

3,000,000 Credit Points + 12x Advanced Tactical Training Blu-ray (Gehenna) + 18x Normal Tactical Training Blu-ray (Gehenna) + 10x Repaired Istanbul Rocket + 28x Broken Nimrud Lens

Basic / Enhanced / Sub skill Lv.3 → 4

60,000 Credit Points + 5x Normal Tech Notes (Gehenna) + 12x Beginner Tech Notes (Gehenna) + 6x Istanbul Rocket Piece

EX skill Lv.4 → 5

10,000,000 Credit Points + 8x Superior Tactical Training Blu-ray (Gehenna) + 18x Advanced Tactical Training Blu-ray (Gehenna) + 8x Intact Istanbul Rocket + 21x Damaged Nimrud Lens

Basic / Enhanced / Sub skill Lv.4 → 5

90,000 Credit Points + 8x Normal Tech Notes (Gehenna) + 4x Broken Istanbul Rocket + 13x Nimrud Lens Piece

Basic / Enhanced / Sub skill Lv.5 → 6

300,000 Credit Points + 5x Advanced Tech Notes (Gehenna) + 12x Normal Tech Notes (Gehenna) + 9x Broken Istanbul Rocket + 17x Nimrud Lens Piece

Basic / Enhanced / Sub skill Lv.6 → 7

450,000 Credit Points + 8x Advanced Tech Notes (Gehenna) + 3x Repaired Istanbul Rocket + 17x Broken Nimrud Lens

Basic / Enhanced / Sub skill Lv.7 → 8

1,500,000 Credit Points + 8x Superior Tech Notes (Gehenna) + 12x Advanced Tech Notes (Gehenna) + 5x Intact Istanbul Rocket + 9x Damaged Nimrud Lens

Basic / Enhanced / Sub skill Lv.8 → 9

2,400,000 Credit Points + 12x Superior Tech Notes (Gehenna) + 8x Intact Istanbul Rocket + 11x Damaged Nimrud Lens

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 Aru (Dress)'s Eleph

Unique weapon 3★

1,500,000 Credit Points + 180x Aru (Dress)'s Eleph

Unique weapon 4★

2,000,000 Credit Points + 200x Aru (Dress)'s Eleph

Unique weapon 5★

2,500,000 Credit Points + 1x Aru (Dress)'s Eleph

Unique Weapon

Wine Red/AdmireATK +789 · HP +3158 · Heal +1058

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.

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

DEF+187HP+890

Equipment slots

HatHairpinNecklace

Profile

Full nameRikuhachima Aru

Age16 years old

BirthdayMarch 12th

Height5'2"

School year2nd Year

IllustratorDoReMi

Voice actor近藤玲奈

HobbyStudying management

MottoIn the middle of an important task.

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.