The ability to have innate knowledge on how to react. Variation of Intuitive Aptitude. Opposite to Action Intuition.

Also Called

  • Reaction Proficiency/Sense


The user has innate knowledge about reactions, making it so that the user can make the right move at the right times, whether it would be on tasking, fighting, social reactions, learning something or anything else that involves reactions.



  • May not be able to be used for determining some reactions.
  • Can still make a mistake.

Known Users

  • Hyperkinetic Alphas (Alphas)
    • Cameron Hicks (​Alphas)
    • Marcus Ayers (Alphas)
  • Azumi (Azumi)
  • Claire Stanfield (Baccano)
  • Sebastian Michaelis (Black Butler)
  • Various Characters (Hunter X Hunter)
  • Midnighter (DC Comics)
  • Slade Wilson/Deathstroke (DC Comics)
  • King Bradley (Fullmetal Alchemist: Brotherhood)
  • Tywin Lannister (Game of Thrones)
  • Instinctual Type Warriors (Kingdom)
  • Kyou Kai (Kingdom)
  • Callisto (Marvel Comics)
  • Teon Macik/Primal (Marvel Comics)
  • Sakamoto (Sakamoto desu ga?)
  • Arcturus Mengsk (Starcraft)


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