Blue Archive · student

Yakumo

Yakumoヤクモ야쿠모

★★★◉Explosion LightArmor ✦Supporter Special RedWinter Back HG Standard

Unchanged since July 18, 2026

LV.90

Combat

UrbanSOutdoorBIndoorD

Stats · Lv.90 Stats at any level →

HP22,226

ATK2,732

DEF533

Heal5,656

Crit267

Crit DMG200%

Crit RES100

Stability1,067

Accuracy801

Evasion1,024

Range1,000

DEF Pen0

CC Power100

CC RES100

Ammo1

Ammo cost1

Move Speed200

Heal Effectiveness10,000

Skills

Publish, Print, DistributeEX Skill · Cost 4 · Lv.5

Moves 5 enemies in a circular area to a designated location, then decreases MOV SPD by 32.2% (for 13 sec) and accumulates 1 Sale for each enemy affected (max stacks: 4). Also has a 61% chance to inflict Stun (for 6.1 sec).

Drag to see per-level scaling

Sales SurgeBasic Skill · Lv.10

Once 4 Sales stacks have accumulated, consumes all Sales stacks and increases Crit DMG for 1 ally with the highest Crit DMG by 37.9% (for 20 sec).

Drag to see per-level scaling

Management Philosophy+Enhanced Skill · Lv.10

Increases Buff Retention by 1900. Also increases Crowd Control Power by 26.6%.

Drag to see per-level scaling

Contract RenewalSub Skill · Lv.10

Increases ally ATK by 17.3%.

Drag to see per-level scaling

Loved gifts · raise this student's affinity the most

Antique Egg HandicraftSSRExtravagant Gilded Jar of GreedSR

Liked gifts · genre favorites — extra affinity

Streets of Thugs Vol. 1SSRBuried Treasure MapSRClassical Poetry AnthologySREncyclopediaSRExtraordinary Cottontail Detective: Case of the Misty Hot Spring SlideSRForbidden Love: Its Beauty Lies in Its IllicitnessSRGuns, Charm, and ZealSRHitgirls Gaming MagazineSRWind-Up Music BoxSRWorld's Most Useless GadgetSR

Star levels · credits and Eleph per star

2★

10,000 Credit Points + 30x Yakumo's Eleph

3★

40,000 Credit Points + 80x Yakumo's Eleph

4★

200,000 Credit Points + 100x Yakumo's Eleph

5★

1,000,000 Credit Points + 120x Yakumo's Eleph

Skill levels · per skill slot, per level

EX skill Lv.1 → 2

80,000 Credit Points + 12x Beginner Tactical Training Blu-ray (Red Winter) + 18x Mandrake Seed

Basic / Enhanced / Sub skill Lv.1 → 2

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

EX skill Lv.2 → 3

500,000 Credit Points + 12x Normal Tactical Training Blu-ray (Red Winter) + 18x Beginner Tactical Training Blu-ray (Red Winter) + 15x Mandrake Sprout + 27x Totem Pole Piece

Basic / Enhanced / Sub skill Lv.2 → 3

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

EX skill Lv.3 → 4

3,000,000 Credit Points + 12x Advanced Tactical Training Blu-ray (Red Winter) + 18x Normal Tactical Training Blu-ray (Red Winter) + 10x Mandrake Juice + 25x Broken Totem Pole

Basic / Enhanced / Sub skill Lv.3 → 4

60,000 Credit Points + 5x Normal Tech Notes (Red Winter) + 12x Beginner Tech Notes (Red Winter) + 4x Mandrake Seed

EX skill Lv.4 → 5

10,000,000 Credit Points + 8x Superior Tactical Training Blu-ray (Red Winter) + 18x Advanced Tactical Training Blu-ray (Red Winter) + 8x Mandrake Extract + 22x Repaired Totem Pole

Basic / Enhanced / Sub skill Lv.4 → 5

90,000 Credit Points + 8x Normal Tech Notes (Red Winter) + 4x Mandrake Sprout + 13x Totem Pole Piece

Basic / Enhanced / Sub skill Lv.5 → 6

300,000 Credit Points + 5x Advanced Tech Notes (Red Winter) + 12x Normal Tech Notes (Red Winter) + 10x Mandrake Sprout + 18x Totem Pole Piece

Basic / Enhanced / Sub skill Lv.6 → 7

450,000 Credit Points + 8x Advanced Tech Notes (Red Winter) + 3x Mandrake Juice + 16x Broken Totem Pole

Basic / Enhanced / Sub skill Lv.7 → 8

1,500,000 Credit Points + 8x Superior Tech Notes (Red Winter) + 12x Advanced Tech Notes (Red Winter) + 5x Mandrake Extract + 9x Repaired Totem Pole

Basic / Enhanced / Sub skill Lv.8 → 9

2,400,000 Credit Points + 12x Superior Tech Notes (Red Winter) + 8x Mandrake Extract + 13x Repaired Totem Pole

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 Yakumo's Eleph

Unique weapon 3★

1,500,000 Credit Points + 180x Yakumo's Eleph

Unique weapon 4★

2,000,000 Credit Points + 200x Yakumo's Eleph

Unique weapon 5★

2,500,000 Credit Points + 1x Yakumo's Eleph

Unique Weapon

PravdaATK +689 · HP +4028 · Heal +1287

A pistol that Yakumo keeps on hand She often says that there are many uses for a gun. One of them is encouraging "diligence" in writers who are at risk of missing their deadlines.

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+172HP+955

Equipment slots

ShoesBadgeNecklace

Profile

Full nameAramaki Yakumo

Age17 years old

BirthdayMay 18th

Height4'9"

School year3rd Year

Illustratorkokosando

Voice actor碧乃梨心

HobbyWriting business proposals, analyzing railroad lines

MottoPublish, Print, Distribute.

The president of the Publishing Department, the Red Winter Academy's publishing club. She also serves as Chief Editor for the "Red Bear" magazine. She's unstoppable once she sets her mind on something, and this invincible president will do anything for the Publishing Department's profit. But she also seems to be hiding a pure heart lying beneath her cunning exterior...