Blue Archive · student
Aru
Explosion, LightArmor
LV.100Combat
UrbanSOutdoorBIndoorD
Stats · Lv.100 Stats at any level →
HP19390
ATK3690
DEF119
Heal4225
Crit201
Crit DMG200%
Crit RES100
Stability1988
Accuracy905
Evasion201
Range750
DEF Pen—
CC Power100
CC RES100
Ammo5
Ammo cost1
Move Speed200
Heal Effectiveness10000
Skills
Hard-Boiled Shot
Deals 521% of ATK as damage to 1 enemy. Also inflicts 554% of ATK as damage to enemies in a circular area.
Drag to see per-level scalingNoir Attack+
Deals 296% of ATK as damage to 1 enemy every 25 sec. Deals 487% of ATK as damage to enemies in a circular area.
Drag to see per-level scalingThe Gravity of a Boss+
Increases Crit DMG by 3800. Also increases Crit DMG by 26.6%.
Drag to see per-level scalingWay of the Outlaw
Increases Crit by 38.3% while using EX skills.
Drag to see per-level scalingLiked gifts · genre favorites — extra affinity
Buried Treasure MapSR · matches 2 tagsAntique Egg HandicraftSSRExtravagant Gilded Jar of GreedSRWind-Up Music BoxSRWorld's Most Useless GadgetSR
Star levels · credits and Eleph per star
2★
10,000 Credit Points + 30x Aru's Eleph
3★
40,000 Credit Points + 80x Aru's Eleph
4★
200,000 Credit Points + 100x Aru's Eleph
5★
1,000,000 Credit Points + 120x Aru'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) + 17x Rohonc Codex Page
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 Damaged Rohonc Codex + 28x Rohonc Codex Page
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) + 12x Annotated Rohonc Codex + 24x Damaged Rohonc Codex
Basic / Enhanced / Sub skill Lv.3 → 4
60,000 Credit Points + 5x Normal Tech Notes (Gehenna) + 12x Beginner Tech Notes (Gehenna) + 6x Rohonc Codex Page
EX skill Lv.4 → 5
10,000,000 Credit Points + 8x Superior Tactical Training Blu-ray (Gehenna) + 18x Advanced Tactical Training Blu-ray (Gehenna) + 9x Intact Rohonc Codex + 18x Annotated Rohonc Codex
Basic / Enhanced / Sub skill Lv.4 → 5
90,000 Credit Points + 8x Normal Tech Notes (Gehenna) + 4x Damaged Rohonc Codex + 14x Rohonc Codex Page
Basic / Enhanced / Sub skill Lv.5 → 6
300,000 Credit Points + 5x Advanced Tech Notes (Gehenna) + 12x Normal Tech Notes (Gehenna) + 10x Damaged Rohonc Codex + 16x Rohonc Codex Page
Basic / Enhanced / Sub skill Lv.6 → 7
450,000 Credit Points + 8x Advanced Tech Notes (Gehenna) + 4x Annotated Rohonc Codex + 18x Damaged Rohonc Codex
Basic / Enhanced / Sub skill Lv.7 → 8
1,500,000 Credit Points + 8x Superior Tech Notes (Gehenna) + 12x Advanced Tech Notes (Gehenna) + 4x Intact Rohonc Codex + 7x Annotated Rohonc Codex
Basic / Enhanced / Sub skill Lv.8 → 9
2,400,000 Credit Points + 12x Superior Tech Notes (Gehenna) + 9x Intact Rohonc Codex + 16x Annotated Rohonc Codex
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's Eleph
Unique weapon 3★
1,500,000 Credit Points + 180x Aru's Eleph
Unique weapon 4★
2,000,000 Credit Points + 200x Aru's Eleph
Unique weapon 5★
2,500,000 Credit Points + 1x Aru's Eleph
Gear tiers · cost per tier
Gear T1
500,000 Credit Points + 4x Buried Treasure Map + 80x Rohonc Codex Page + 25x Damaged Rohonc Codex
Unique Weapon
Wine Red/Admire
A semi-automatic sniper rifle with an antique design cherished by Aru.
Her hard-boiled nature intensifies just by carrying it.
Transcendence · per-star stat bonuses
★★★ATK +10.0% HP +5.0% Heal +7.5%★★★★★ATK +12.0% HP +7.0% Heal +10.0%
Bond bonuses · max affinity
DEF+246HP+1030
Equipment slots
HatHairpinWatch
Profile
Full nameRikuhachima Aru
Age16 years old
BirthdayMarch 12th
Height5'2"
School year2nd Year
IllustratorDoReMi
Voice actor近藤玲奈
HobbyStudying management
MottoI'll solve any problem!
The self-proclaimed boss of Problem Solver 68. Aru expanded Gehenna Academy's Problem Solver 68 club without permission to conduct illegal business activities. She aspires to be seen as a dashing and debonair villain, but her frequent blunders always expose her as a poser.
How Aru compares · vs 67 ★★★ Explosion students
Measured against 67 comparable students, Aru is middle-of-the-pack for its cohort (41st percentile on average). Its strongest number is ATK at 3690 — 95th percentile, rank 4 of 67 — while Crit is its weakest at 201, ranking 57 of 67.
HP19390
41st percentile · rank 40 of 67 · cohort median 20310 (-5%)
ATK3690
95th percentile · rank 4 of 67 · cohort median 2363 (+56%)
DEF119
38th percentile · rank 40 of 67 · cohort median 146 (-18%)
Heal4225
19th percentile · rank 55 of 67 · cohort median 4449 (-5%)
Crit201
13th percentile · rank 57 of 67 · cohort median 216 (-7%)
Closest students · nearest on ATK
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