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Reactive Adaptation

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Reactive Adaptation
X-Treme X-Men Vol 1 9 Textless
Heather Cameron alias Lifeguard (Marvel) using her ability to save fellow X-man Sage.

Power/Ability to:

develop adaptation to combat threats or changes

The ability to develop adaptations, powers, or skills in response to immediate threats.

Also Called

  • Instant Adaptation
  • Instant Evolution
  • Nemesis
  • Reactive Evolution
  • Spontaneous Adaption


Users can either instantly develop powers or abilities to deal with threats or their bodies dynamically learn from experience. Depending on the user's control of the power or genetic structure, the reactive effects can be permanent or temporary.

For example, after a certain situation, the user's skin may become tougher. They may display increased IQ after a difficult test or fortified emotions after a personal argument. The user may be able to read different languages after moments of looking them up or be able to withstand a constant bombardment of radiation. Some users may develop Enhanced Speed after being shot, or grow Dermal Armor, or gain the opposite power of their opponent.

In some instances, a magical object may express similar powers.



  • Biological Manipulation: Users reactively enhance their bodies in multiple ways usually encompassing one of the personal enhancements.
  • Damage Memorization: Users memorize the damage their bodies take, thus rendering themselves immune to the same attack or move twice.
  • Dermal Adaptation: Users reactively change the texture, color and density of their skin to suit the situation.
  • Environmental Adaptation: Users reactively alter or shift their bodies in order to survive in their surroundings.
  • Mental Manipulation: Users reactively alter their own minds and control their positive or negative effects, perhaps even turning on other Mental Abilities.
  • Reactive Enhancement: Users reactively develop enhancements for situations, combat or tasks.
  • Situational Strength: User is literally as powerful as they need to be at any given moment.
  • Superior Adaptation: Adapt anything and everything.




  • Adaptations may only be temporary.
  • Users may or may not be able to control adaptations.
  • New adaptations may grow naturally or be produced as a monstrosity.
  • Usually dependent upon a direct threat to the person, resulting in responsive action.
  • Learning some adaptations may negate other adaptations (e.g. learning to breathe water may prevent breathing air).
  • Some adaptations may be in conjunction with weaknesses.
  • Some threats are impossible to adapt to.
  • Some reactions may have a delayed responds.
  • Certain hidden threats may not be reacted to.

Known Users


  • Shane Gooseman (The Adventures of the Galaxy Rangers)
  • Shirley (The Jimmy Timmy Power Hour 3)


  • E.V.E. (Archie's Sonic the Hedgehog)
  • Amazo (DC Comics)
  • Doomsday (DC Comics)
  • OMACs (DC Comics)
  • Allen the Alien (Invincible) (Image Comics)
  • Darwin (Marvel Comics)
  • Endgame (Marvel Comics); persona of Legion
  • Lifeguard (Marvel Comics)


  • Meta-Coolers (Dragon Ball Z: The Return of Cooler)
  • Iron Giant (The Iron Giant)


  • Crawler (Worm)

Live Action TV

  • Valeria (Ángel o Demonio)


  • Gozu (Area D)
  • Hit (Dragon Ball Super)
  • Sachiel (Evangelion)
  • Kenshiro (Fist of the North Star)
  • Anubis (JoJo's Bizarre Adventure)
  • Haru Glory (Rave Master); via the Ten Commandments Sword
  • Gale Raregroove (Rave Master); via a copy of the Ten Commandments Sword
  • Lucia Raregroove (Rave Master); via a copy of the Ten Commandments Sword
  • Hideauze (Suisei no Gargantia)

Video Games

  • J'avos (Resident Evil 6)
  • Emerl (Sonic the Hedgehog)
  • Metal Sonic (Sonic the Hedgehog)

Web Animation

  • Turbo Mecha Sonic (Super Mario Bros. Z)


  • SCP-682 (SCP Foundation)


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