Blue Archive · student

Kotori

Kotoriコトリ코토리

★◈Pierce LightArmor ✦Supporter Striker Millennium Back MG Standard

Unchanged since July 18, 2026

LV.90

Combat

UrbanBOutdoorBIndoorB

Stats · Lv.90 Stats at any level →

HP17,858

ATK1,695

DEF441

Heal3,895

Crit198

Crit DMG200%

Crit RES100

Stability1,404

Accuracy99

Evasion198

Range750

DEF Pen0

CC Power100

CC RES100

Ammo50

Ammo cost5

Move Speed200

Heal Effectiveness10,000

Skills

Box of AnswersEX Skill · Cost 4 · Lv.5

Moves 4 allies in a circular area to a designated location, then casts 334% of Healing as a barrier (for 13 sec).

Drag to see per-level scaling

Pardon!+Basic Skill · Lv.10

Deals 697% of ATK as damage to enemies in a fan-shaped area every 35 sec. (Doubles the number of hits)

Drag to see per-level scaling

Getting the Point+Enhanced Skill · Lv.10

Increases Crit DMG by 3800. Also increases Crit DMG by 26.6%.

Drag to see per-level scaling

Roger That, Crystal Clear!Sub Skill · Lv.10

After defeating an enemy, increases Crit DMG by 38.3% (for 30 sec).

Drag to see per-level scaling

Loved gifts · raise this student's affinity the most

Airbook RareSSR

Liked gifts · genre favorites — extra affinity

EncyclopediaSR · matches 2 tagsStreets of Thugs Vol. 1SSRClassical Poetry AnthologySRExtraordinary Cottontail Detective: Case of the Misty Hot Spring SlideSRForbidden Love: Its Beauty Lies in Its IllicitnessSRGuns, Charm, and ZealSRHealth Food SupplementSRHitgirls Gaming MagazineSR

Exclusive gear

Teardrop GlassesT1 · Bond 15 · Healing +1,000Teardrop GlassesT2 · Bond 20 · Basic skill upgrade

Star levels · credits and Eleph per star

2★

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

3★

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

4★

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

5★

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

Skill levels · per skill slot, per level

EX skill Lv.1 → 2

80,000 Credit Points + 12x Beginner Tactical Training Blu-ray (Millennium) + 12x Antikythera Mechanism Piece

Basic / Enhanced / Sub skill Lv.1 → 2

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

EX skill Lv.2 → 3

500,000 Credit Points + 12x Normal Tactical Training Blu-ray (Millennium) + 18x Beginner Tactical Training Blu-ray (Millennium) + 16x Broken Antikythera Mechanism + 33x Mandrake Seed

Basic / Enhanced / Sub skill Lv.2 → 3

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

EX skill Lv.3 → 4

3,000,000 Credit Points + 12x Advanced Tactical Training Blu-ray (Millennium) + 18x Normal Tactical Training Blu-ray (Millennium) + 8x Damaged Antikythera Mechanism + 22x Mandrake Sprout

Basic / Enhanced / Sub skill Lv.3 → 4

60,000 Credit Points + 5x Normal Tech Notes (Millennium) + 12x Beginner Tech Notes (Millennium) + 5x Antikythera Mechanism Piece

EX skill Lv.4 → 5

10,000,000 Credit Points + 8x Superior Tactical Training Blu-ray (Millennium) + 18x Advanced Tactical Training Blu-ray (Millennium) + 8x Intact Antikythera Mechanism + 22x Mandrake Juice

Basic / Enhanced / Sub skill Lv.4 → 5

90,000 Credit Points + 8x Normal Tech Notes (Millennium) + 3x Broken Antikythera Mechanism + 12x Mandrake Seed

Basic / Enhanced / Sub skill Lv.5 → 6

300,000 Credit Points + 5x Advanced Tech Notes (Millennium) + 12x Normal Tech Notes (Millennium) + 9x Broken Antikythera Mechanism + 18x Mandrake Seed

Basic / Enhanced / Sub skill Lv.6 → 7

450,000 Credit Points + 8x Advanced Tech Notes (Millennium) + 4x Damaged Antikythera Mechanism + 17x Mandrake Sprout

Basic / Enhanced / Sub skill Lv.7 → 8

1,500,000 Credit Points + 8x Superior Tech Notes (Millennium) + 12x Advanced Tech Notes (Millennium) + 3x Intact Antikythera Mechanism + 8x Mandrake Juice

Basic / Enhanced / Sub skill Lv.8 → 9

2,400,000 Credit Points + 12x Superior Tech Notes (Millennium) + 8x Intact Antikythera Mechanism + 16x Mandrake Juice

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 Kotori's Eleph

Unique weapon 3★

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

Unique weapon 4★

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

Unique weapon 5★

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

Gear tiers · cost per tier

Gear T1

500,000 Credit Points + 4x Encyclopedia + 80x Antikythera Mechanism Piece + 25x Broken Antikythera Mechanism

Unique Weapon

Professor KATK +418 · HP +2887 · Heal +833

A machine gun Kotori carries. Also known as EX-Plain. When asked about its name, Kotori begins by talking about the history of firearm development.

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+128HP+1050

Equipment slots

ShoesHairpinNecklace

Profile

Full nameToyomi Kotori

Age15 years old

BirthdayDecember 31st

Height4'11"

School year1st Year

Illustrator三脚たこ

Voice actor篠原なるみ

HobbyTalking

MottoPraise high frequency!

Member of the Engineering Department at Millennium Science School. A chatterbox who loves discussing topics such as physics and mechanics. She's always the first one at the scene to explain what's happening whenever there's a machinery-related problem at Millennium.