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The ability to be immune to lethargy. Variation of Selective Invulnerability.

Also Called

  • Fatigue Immunity


The user is immune the effects of lethargy, including fatigue, sleepiness and intoxication, which will not affect the user, and even if they do, the user will not suffer dangerous or fatal effects from being fatigued, intoxicated or sleepy, and will not even die from it.




  • May be temporary.
  • May have a limit as to how much one can be immune to fatigue.
  • May be limited to certain forms of fatigue.

Known Users

  • Yuujiro Hanma (Baki the Grappler)
  • Kryptonians (DC Comics); via yellow sun radiation
  • Bruce Banner/Hulk (Marvel Comics)
  • Red Hulks (Marvel Comics)
  • Jennifer Walters/She-Hulk (Marvel Comics)
  • James "Logan" Howlett/Wolverine (Marvel Comics)
  • Akihiro/Daken (Marvel Comics)
  • Wade Wilson/Deadpool (Marvel Comics)
  • Victor Creed/Sabretooth (Marvel Comics)
  • Cain Marko/Juggernaut (Marvel Comics)