The ability to use/access full 100% of the brain capacity.

Also Called

  • 100% Brain Usage
  • Maximum Brain Function
  • Peak Human Mental Process


User can use/access 100%/maximum levels of the brain capacity, gaining extended knowledge and usage of the brain, allowing them to think in ways that they could never have imagined or understood before.




  • May go into a psychotic breakdown if intelligence is excessively used and/or absorbed.
  • Prolonged use of the brain's entire capacity may accelerate the production of toxins in the brain, resulting in progressive brain damage and eventually death.
  • Only works in realities where people use less than 100% of their brain capacity.
  • User may fall short of 100%, but still use more of their brain than normal.

Known Users

See also: 90% of Your Brain.


  • Coluans (DC Comics)
  • Slade Wilson/Deathstroke (DC Comics); By 90%
  • Steve Rogers (Marvel Comics)
  • HIgh Evolutionary (Marvel Comics)
  • Hercules Method Practitioners (The Strange Talent of Luther Strode)
    • Cain
    • The Librarian
    • The Bender
    • Jack the Ripper
    • Luther Strode


  • Kaito Daimon (Phi Brain: Puzzle of God)
  • Jojo Achimu (Ninjutsu)

Live Television/Movies

  • Carl Carlson (Eureka)
  • Lucy (Lucy)
  • Edward "Eddie" Morra (Limitless)
  • Brian Finch (Limitless series)
  • Ancients/Lanteans (Stargate SG-1/Atlantis)
  • Chase Davenport (Lab Rats)
  • Matilda (Matilda)
  • Evolved Humans (Heroes); implied by several characters.
  • Charles Gunn (Angel); via Legal upgrade
  • Kyle Trager (Kyle XY); By 80%
  • Reginald Barclay (Star Trek: TNG)