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The circumstance in which the user is dependent on the regular usage of drugs, devices, etc. to control/retain their powers, stay cognizant, or even to remain alive. Variation of both Affinity and Aversion. Opposite to Self Sufficiency and Self-Sustenance

Also Called

  • Life Dependency
  • Power Dependency
  • Superhuman Dependency


The user is forced to regularly use something, such as drugs, devices, species, structures, elements, etc. to perform certain tasks in order, remain alive and/or to retain/control their powers.



Known Users

  • Febrie (A Certain Scientific Railgun)
  • Reki (Aria the Scarlet Ammo)
  • Amata Sora (Aquarion Evol); originally
  • Yoshino (Date A Live)
  • Clear (Final Fantasy Unlimited)
  • Morbius (Marvel Comics)
  • Sam Winchester (Supernatural); needed to consume demon blood to maintain his demon powers.
  • Monsters (Supernatural); feeding on humans keep them from starvation.
  • Sauron (Marvel Comics)
  • Vampires (various); need to drink blood.
  • Nina Pryce (Marvel Comics)
  • Reapers (Blade II)
  • Skips (Regular Show)
  • Count Dracula (Dracula)
  • Tony Stark/Iron Man (Marvel Comics); requires his arc-reactor in order to keep metal from reaching his heart & killing him.
  • Raven (Teen Titans/DC Comics); must meditate daily to keep her emotions and powers in check.
  • Ra's al Ghul (DC Comics); Requires use of the Lazarus Pit to regain his youth.
  • Sauron (Primal Rage)
  • Simone and Lena (Scooby-Doo on Zombie Island); need to drain life-force from victims.
  • Shang Tsung (Mortal Kombat)
  • Joshua (No Ordinary Family)
  • Bane (DC Comics)
  • Rea Sanka (Sankarea)
  • The Crystal Alter Form (s-Cry-ed)
  • Frank West (Dead Rising)
  • Angel (Buffy the Vampire Slayer)
  • Spike (Buffy the Vampire Slayer)
  • Galactus (Marvel Comics)
  • Vandal Savage (DC Comics)
  • Samus Aran (Metroid)
  • Talia al Ghul (DC Comics)
  • Quarians (Mass Effect)
  • Shinnosuke (Ranma 1/2)
  • Albert Wesker (Resident Evil)
  • Mr. Freeze (DC Comics)
  • Saya Otonashi (Blood+)
  • Alucard (Hellsing/Hellsing Ultimate)
  • Volus (Mass Effect)
  • Eclipse Virus Infectees (Nanoha)
  • Bounts (Bleach)
  • Utsuro (Gintama)
  • Kouka (Gintama)
  • The Beauty and the Beast Unit (Metal Gear Solid 4: Guns of the Patriots)
  • Demigods (Asura's Wrath)
  • Mizore Shirayuki (Rosario + Vampire)
  • Yume Hasegawa (Pupa); must eat her brother's flesh to stay calm.
  • Kojō Akatsuki (Strike the Blood)
  • Sora (No Game No Life)
  • Shiro (No Game No Life)
  • Prisoners at Deadman Wonderland (Deadman Wonderland), must eat candy once every three days to prevent being poisoned
  • Dr. Gero and Android 19 (DragonBall Z)
  • Roger's alien species (American Dad)
  • Chase Young (Xiaolin Showdown); via Lao Mang Lone Soup

Known Objects

  • Arc-Reactor (Marvel Comics)
  • Zombrex (Dead Rising)
  • Lazarus Pit (DC Comics)
  • Candy (Deadman Wonderland)
  • Lao Mang Lone Soup (Xiaolin Showdown)
  • Life Extender Machine (Team Fortress 2)
  • Sustenance (Cybersix)


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