The strongest character in Assassination Classroom is Koro-sensei. Mach 20 movement speed, regeneration, shape-shifting, near-total immunity to conventional weapons. But soft to anti-sensei material — and to his students.

Why Koro-sensei Is The Strongest

Mach 20 movement speed, regeneration, shape-shifting, near-total immunity to conventional weapons. But soft to anti-sensei material — and to his students. Their power (Tentacle Biology / Mach 20) places them above every other character in Assassination Classroom at peak performance.

Top 5 Strongest Assassination Classroom Characters

  1. 1

    Koro-sensei

    Mach 20 movement speed, regeneration, shape-shifting, near-total immunity to conventional weapons. But soft to anti-sensei material — and to his students.

    Tentacle Biology / Mach 20
  2. 2

    The Reaper (Second)

    Professional assassin who tutored Koro-sensei before his transformation. Clinical and methodical.

    Assassination Technique
  3. 3

    Karasuma

    Ministry of Defense agent and Class 3-E's PE teacher. Peak human conditioning and combat training.

    Military / Hand-to-Hand
  4. 4

    Irina Jelavic (Bitch-sensei)

    Professional honeytrap assassin. Seduction and close combat expertise.

    Assassination / Seduction
  5. 5

    Nagisa Shiota

    The most naturally gifted assassin in Class 3-E. His 'killing intent' ability paralyzes targets — he has the presence of a predator.

    Killing Intent / Precision

Full Assassination Classroom Tier List

  1. 1

    Koro-sensei

    Mach 20 movement speed, regeneration, shape-shifting, near-total immunity to conventional weapons. But soft to anti-sensei material — and to his students.

    Tentacle Biology / Mach 20
  2. 2

    The Reaper (Second)

    Professional assassin who tutored Koro-sensei before his transformation. Clinical and methodical.

    Assassination Technique
  3. 3

    Karasuma

    Ministry of Defense agent and Class 3-E's PE teacher. Peak human conditioning and combat training.

    Military / Hand-to-Hand
  4. 4

    Irina Jelavic (Bitch-sensei)

    Professional honeytrap assassin. Seduction and close combat expertise.

    Assassination / Seduction
  5. 5

    Nagisa Shiota

    The most naturally gifted assassin in Class 3-E. His 'killing intent' ability paralyzes targets — he has the presence of a predator.

    Killing Intent / Precision
  6. 6

    Karma Akabane

    Raw talent and sadistic intelligence. Physically the strongest student. Refuses to be serious until pushed.

    Combat / Intelligence
  7. 7

    Ryunosuke Chiba + Rinka Hayami

    The sniper pair. Two of the class's most technically proficient killers.

    Long-Range Sniping
  8. 8

    Itona Horibe

    A student given tentacle biology — a failed version of Koro-sensei's cells. Power at the cost of sanity.

    Tentacle Cells
  9. 9

    Taiga Okajima

    Photography specialist. Completes objectives through unconventional intelligence gathering.

    Photography / Perversion
  10. 10

    Manami Okuda

    Chemistry specialist. Poison development. More dangerous in preparation than in direct combat.

    Chemistry / Poison