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Monster Roper Shell (怪縛のシェル, Kai Baku no Sheru) is the C-Class Rank 3 professional hero of the Hero Association.


Monster Roper Shell has narrow eyes and light-colored hair styled in a bowl cut that covers his ears and forehead. He wears a heathered shirt with striped pants and black shoes. He carries rope around his shoulder as his primary weapon.


Human Monster Saga[]

Monster Association Arc[]

He is one of the heroes recruited to the Monster Association raid's support team.[1] As the heroes and monsters do battle, he is seen tying up several monsters.

When Rhino Wrestler appears to fight the heroes, Monster Roper Shell is one of the heroes who attack the monster simultaneously, but he is effortlessly blown away, with the monster only giving him a measly 2 points out of 100.

After Atomic Samurai kills Rhino Wrestler and the S-Class heroes finish killing all the other monsters he, along with the rest of the support team, stay above ground while the strike team infiltrates the Monster Association headquarters.

Nyan attacks the hero support team as they attempt to get Waganma to safety. Monster Roper Shell works with Green to restrain the monster as Mizuki throws a discus at it.[2] However, Nyan manages to escape the bindings and defeat the hero.[3]

Abilities and Powers[]

Monster Roper Shell tying up a monster

As a top-ranking C-Class hero and one of the heroes recruited to the Monster Association raid support team, he is a somewhat formidable hero and is strong enough to hold his own against weaker monsters.

Physical Abilities[]

Enhanced Strength: As a top-ranking C-Class hero, Monster Roper Shell has above-average strength, and he is strong enough to tie up monsters with enough force to immobilize them.

Enhanced Speed & Reflexes: As a top-ranking C-Class hero, Monster Roper Shell has above-average speed, and can approach and tie up monsters with enough speed to prevent them from retaliating or breaking free.

Fighting Style[]

Rope Binding: Monster Roper Shell uses ropes to restrain monsters and tie them up.


Strong Rope: The rope is very durable, and can restrict several monsters. Genos also used the rope to tie several heroes to his back and carry them at high speed.


  1. One-Punch Man Manga; Chapter 96, page 3
  2. One-Punch Man Manga; Chapter 116 (Online), page 17
  3. One-Punch Man Manga; Chapter 116 (Online), page 22


Hero Association
S-Class 1. Blast • 2. Tornado of Terror/Tatsumaki • 3. Silver Fang/Bang • 4. Atomic Samurai/Kamikaze • 5. Child Emperor • 6. Metal Knight/Bofoi • 7. King • 8. Zombieman • 9. Drive Knight • 10. Pig God • 11. Superalloy Darkshine • 12. Watchdog Man • 13. Flashy Flash • 14. Demon Cyborg/Genos • 15. Metal Bat/Bad • 16. Tanktop Master (Tank Topper Army) • 17. Puri-Puri Prisoner
B-Class 1. Blizzard of Hell/Fubuki (The Blizzard Group) • 2. Eyelashes • 3. Mountain Ape • 6. Wild Horn • 7. Caped Baldy/Saitama • 20. Glasses • 25. Pink Hornet • 29. Double Hole • 39. Smell Master • 39. Reclusamurai • 43. Gun Gun • 49. Butcher • 50. Jet Nice Guy • 60. Needle Star • 65. Piko • 69. Crying Man • 70. Trap Tengu • 71. Captain Mizuki/Mizuki • 74. Lily of the Three Section Staff/Lily • 77. Bone • 81. Tanktop Black Hole • 93. Mushroom • 99. ShooterDarkness BladePineapple
Undetermined Class GunmaTanktop GirlTanktop RockabillyTanktop RacerTanktop Al DenteTanktop SwimmerTanktop JungleTanktop MaskTanktop HatterTanktop DoctorPandaman
Staff Members AgoniBushoC Branch OperatorConsole OperatorExmaGuichesJinzurenMain Branch OperatorMcCoyNarinkiSekingarShelter Nr. 7 GirlSitchSome Important GuySpecial Committee GirlZ Branch Committee GirlZ Branch OperatorZeimeet