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Kasumi

Gehenna Academy

Kasumi

★★★

/Sonic/Attacker

Ctier

Introduction

Kasumi is a 3-star Sonic student in Blue Archive. Kasumi's role is Attacker. School: Gehenna Academy.

On the Blue Archive tier list Kasumi is C tier, 158th of the 242 students ranked.

Other Sonic students in Blue Archive: Aoba, Atsuko (Swimsuit), Chiaki, Eri, Erika, Fuyu and 31 more.

Kasumi in raids

On the raids usage list Kasumi is D tier, 139th of 264: brought by 0.6% of ranked Global players to the last 8 raids, on average.

  • Raid usage0.63%

By raid, newest first

  • Hod (Indoor)0.7%
  • Gregorius (Indoor)0.1%
  • Hovercraft (Outdoor)0.2%
  • Drumbarka (Street)0%
  • Myouki Kurokage (Street)2.3%
  • KAITEN FX Mk.0 (Street)0.1%
  • Perorodzilla (Outdoor)1.6%
  • Goz (Outdoor)0.1%

Kasumi's banners

All banners
  • 16 June 2026 to 23 June 2026Pick-Up Recruitment
  • 27 May 2025 to 3 June 2025Pick-Up Recruitment
  • 2 April 2024 to 16 April 2024Pick-Up Recruitment

Profile

The president of the Gehenna Hot Springs Department.

Her mission in life is to develop hot springs wherever there is geothermal activity, and she doesn't care what's in the way. She enjoys the unanimous support of her club members, but outside of her club she is a wanted criminal.

Kasumi's full name is Kinugawa Kasumi. Kasumi's birthday is May 24th, and Kasumi stands 4'10" tall. Kasumi is voiced by 上坂すみれ in Japanese and Chung Yujoung in Korean. Kasumi's hobby is detonation and hot spring development. Mx2J drew Kasumi.

Stats

  • Max HP57th30,575
  • ATK181st2,906
  • DEF207th105
  • Healing154th5,901
  • Accuracy221st104
  • Evasion45th1,053
  • Crit162nd208
  • Crit DMG200%
  • Stability242nd956
  • Normal Attack Range194th550
  • 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: 2,412Level 90, 3 stars: 25,366Level 90, 5 stars: 30,575
  • ATKLevel 1, 3 stars: 254Level 90, 3 stars: 2,317Level 90, 5 stars: 2,906
  • DEFLevel 1, 3 stars: 19Level 90, 3 stars: 105Level 90, 5 stars: 105
  • HealingLevel 1, 3 stars: 1,715Level 90, 3 stars: 4,798Level 90, 5 stars: 5,901
  • AccuracyLevel 1, 3 stars: 104Level 90, 3 stars: 104Level 90, 5 stars: 104
  • EvasionLevel 1, 3 stars: 1,053Level 90, 3 stars: 1,053Level 90, 5 stars: 1,053
  • CritLevel 1, 3 stars: 208Level 90, 3 stars: 208Level 90, 5 stars: 208
  • 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: 956Level 90, 3 stars: 956Level 90, 5 stars: 956
  • Normal Attack RangeLevel 1, 3 stars: 550Level 90, 3 stars: 550Level 90, 5 stars: 550
  • 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: 8Level 90, 3 stars: 8Level 90, 5 stars: 8
  • 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
Middle
Attack type
Sonic
Armor type
Heavy
Weapon
Handgun
School
Gehenna Academy
Club
Hot Springs Department
Year and age
2nd Year, 16 years old
Equipment slots
Gloves, Hairpin, Watch

Terrain affinity

  • UrbanS (SS with the weapon at 3 stars)
  • OutdoorB
  • IndoorD

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

Skills

5

  • Giant Heel Crush

    EX Skill · Cost 4
    Level

    Decreases the DEF of enemies in a circular area by 33.5% (for 25 sec). Deals 432.5% of ATK as damage.

  • It's About Sending A Message

    Basic Skill
    Level

    Deals 432% of ATK as damage to enemies in a circular area every 35 sec.

  • Madman Theory

    Enhanced Skill
    Level

    Increases Crit by 26.6%.

  • Madman Theory+

    Enhanced Skill +
    Level

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

    Replaces Madman Theory once Kasumi's Exclusive Weapon reaches 2 stars.

  • Have the Drills Stopped Screaming?

    Sub Skill
    Level

    Deals 1204% of ATK as damage every 3rd use of the EX skill. Area of effect matches that of the EX skill.

Exclusive Weapon

Upgrade planner

Red Rector

Handgun

Kasumi is never without this handgun. She mostly fires it into the air in order to spice things up. Despite its small, cute design, it's actually very powerful...and loud.

  • 1 starLv. 30: ATK +334, Max HP +2,596
  • 2 starsLv. 40: ATK +417, Max HP +3,245Enhanced Skill becomes Madman Theory+
  • 3 starsLv. 50: ATK +501, Max HP +3,894Urban affinity S to SS
  • 4 starsLv. 60: ATK +584, Max HP +4,543Sonic 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

Kasumi starts at 3 stars. Each star also lifts the Relationship Rank cap.

Relationship Rank bonus

  • 5Total bonus: ATK +8
  • 10Total bonus: ATK +23
  • 15Total bonus: ATK +43, Max HP +310
  • 20Total bonus: ATK +68, Max HP +685
  • 25Total bonus: ATK +73, Max HP +745
  • 30Total bonus: ATK +78, Max HP +805
  • 35Total bonus: ATK +88, Max HP +895
  • 40Total bonus: ATK +98, Max HP +985
  • 45Total bonus: ATK +113, Max HP +1,140
  • 50Total bonus: ATK +128, Max HP +1,295

Stats stop growing at rank 50.

Talents

  • Max HP25 levels, up to +5%
  • ATK25 levels, up to +5%
  • Healing25 levels, up to +5% (little use for Kasumi)

Gifts Kasumi likes

3

Favourites

  • Astronomical Telescope
  • Buried Treasure Map
  • World's Most Useless Gadget

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

Lines and Memorial Lobby

When recruited: Have I ever told you the true meaning of hot spring development?

MomoTalk status: Life begins and ends with hot spring development.

Kasumi's Recollection Lobby
Kasumi's Recollection Lobby

Upgrade costs

Open in the planner

EX Skill

  • Lv. 2Credit Points ×80,000Beginner Tactical Training Blu-ray (Gehenna) ×12Rohonc Codex Page ×15
  • Lv. 3Credit Points ×500,000Normal Tactical Training Blu-ray (Gehenna) ×12Beginner Tactical Training Blu-ray (Gehenna) ×18Damaged Rohonc Codex ×16Roman Dodecahedron Piece ×27
  • Lv. 4Credit Points ×3,000,000Advanced Tactical Training Blu-ray (Gehenna) ×12Normal Tactical Training Blu-ray (Gehenna) ×18Annotated Rohonc Codex ×9Broken Roman Dodecahedron ×24
  • Lv. 5Credit Points ×10,000,000Superior Tactical Training Blu-ray (Gehenna) ×8Advanced Tactical Training Blu-ray (Gehenna) ×18Intact Rohonc Codex ×10Repaired Roman Dodecahedron ×22

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) ×12Rohonc Codex Page ×7
  • Lv. 5Credit Points ×90,000Normal Tech Notes (Gehenna) ×8Damaged Rohonc Codex ×4Roman Dodecahedron Piece ×12
  • Lv. 6Credit Points ×300,000Advanced Tech Notes (Gehenna) ×5Normal Tech Notes (Gehenna) ×12Damaged Rohonc Codex ×10Roman Dodecahedron Piece ×17
  • Lv. 7Credit Points ×450,000Advanced Tech Notes (Gehenna) ×8Annotated Rohonc Codex ×5Broken Roman Dodecahedron ×15
  • Lv. 8Credit Points ×1,500,000Superior Tech Notes (Gehenna) ×8Advanced Tech Notes (Gehenna) ×12Intact Rohonc Codex ×6Repaired Roman Dodecahedron ×9
  • Lv. 9Credit Points ×2,400,000Superior Tech Notes (Gehenna) ×12Intact Rohonc Codex ×6Repaired Roman Dodecahedron ×11
  • Lv. 10Credit Points ×4,000,000Secret Tech Notes ×1

Star promotion

  • 4 starsCredit Points ×200,000Kasumi's Eleph ×100
  • 5 starsCredit Points ×1,000,000Kasumi's Eleph ×120

Exclusive Weapon

  • 2 starsCredit Points ×1,000,000Kasumi's Eleph ×120
  • 3 starsCredit Points ×1,500,000Kasumi's Eleph ×180
  • 4 starsCredit Points ×2,000,000Kasumi's Eleph ×200

Talent: Max HP

  • Lv. 1-5Credit Points ×500,000Rohonc Codex Page ×50Physical Education Workbook ×10
  • Lv. 6-10Credit Points ×500,000Rohonc Codex Page ×75Physical Education Workbook ×10
  • Lv. 11-15Credit Points ×500,000Rohonc Codex Page ×100Physical Education Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Damaged Rohonc Codex ×30Physical Education Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Damaged Rohonc Codex ×40Physical Education Workbook ×20

Talent: ATK

  • Lv. 1-5Credit Points ×500,000Rohonc Codex Page ×50Shooting Workbook ×10
  • Lv. 6-10Credit Points ×500,000Rohonc Codex Page ×75Shooting Workbook ×10
  • Lv. 11-15Credit Points ×500,000Rohonc Codex Page ×100Shooting Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Damaged Rohonc Codex ×30Shooting Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Damaged Rohonc Codex ×40Shooting Workbook ×20

Talent: Healing

  • Lv. 1-5Credit Points ×500,000Rohonc Codex Page ×50Hygiene Workbook ×10
  • Lv. 6-10Credit Points ×500,000Rohonc Codex Page ×75Hygiene Workbook ×10
  • Lv. 11-15Credit Points ×500,000Rohonc Codex Page ×100Hygiene Workbook ×10
  • Lv. 16-20Credit Points ×1,000,000Damaged Rohonc Codex ×30Hygiene Workbook ×20
  • Lv. 21-25Credit Points ×1,000,000Damaged Rohonc Codex ×40Hygiene Workbook ×20

Art

Kasumi key art

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