Kryptonite, the world's most well-known weakness of Superman
Grow weaker when in contact with a certain something or event
The circumstance in which the user has
a supernatural weakness when in contact with a certain Object, Occurring Event, or Emotion. The opposite of Affinity.
Users become weaker when they come in contact with a certain object, event, or emotion. It is also possible to weaken or nullify existing powers as well. Long-term exposure to the aversion may result in fatal bodily conditions (e.g:
Cancer), or even death.
Elemental Aversion: become weaker when in contact with a certain elemental Force.
Environmental Aversion: become weaker when in certain landscapes.
Empathic Aversion: become weaker when feeling (or in contact with someone's feeling) a certain emotion.
Life Aversion: become weaker with more living things near.
Dead Aversion: gain weakness from the dead.
Karma Aversion: become weaker depending on a person's morale.
Sonokinetic Aversion: become weaker when a certain sound or song is heard.
Object Aversion: become weaker when in contact with a certain object.
May accompany some form of detection in order to know when their aversion is close by.
You have no control over this power.
Target must be in range in order for this power to work.
Firebenders ( Avatar the Last Airbender, firebending abilities are nulled when a solar eclipse occurs)
Waterbenders ( Avatar the Last Airbender, waterbending abilities are nulled when a lunar eclipse occurs)
Vampires ( Folklore, become weakened when near sunlight, crosses, running water, and/or garlic)
Moka Akashiya ( Rosario+Vampire, becomes weakened when in water)
Mizore Shirayuki ( Rosario+Vampire, is weakened by extreme heat)
Superman/Clark Kent ( DC Comics, becomes weaker with Green/Gold Kryptonite)
Kryptonians ( DC Comics, become weaker with Green/Gold Kryptonite)
Kryptonians ( Smallville, become weaker with Green/Gold/Blue Kryptonite)
Bizarro ( DC Comics, Becomes weaker with Blue Kryptonite)
Ultraman (Justice League: Crisis on Two Earths, becomes weaker with Blue Kryptonite)
Martian Manhunter ( DC Comics, becomes weaker when near flames)
Demons (Supernatural, weak against holy water/iron/salt/exorcisms and lesser demons can't step foot on consecrated ground)
Ghosts (Supernatural, weak against salt/iron and the salting and burning of their mortal remains)
Hellhounds (Supernatural, weak against iron/salt/graveyard dirt/holy water/pepper/devil's shoelace)
Fairies (Supernatural, cream intoxicates them and they can't resist counting every grain of salt when it is thrown)
DareDevil ( Marvel, because of his enhanced senses he is weak against loud noises and strong smells)
Fairies (Folklore, become weakened when near iron.)
Devil Fruit Users ( One Piece, becomes weak when in sea water)
John Hancock ( Hancock, becomes weaker when near others of his race)
Cole MacGrath ( inFamous, becomes hurt when he enters water)
Roy Mustang ( Fullmetal Alchemist, becomes useless when wet)
Ice-Users (Fiction, becomes weak when exposed to extreme heat)
Jackie Estacado ( the Darkness, becomes weaker in light)
Venom ( Marvel, becomes weaker when exposed to sonic waves or fire)
Carnage ( Marvel, becomes weaker when exposed to sonic waves or fire)
Symbiotes ( Marvel, become weaker when exposed to sonic waves or fire)
Alan Scott/Green Lantern ( DC, in the Golden Age his ring was weak against wood)
Green Lanterns ( DC, in Silver Age became weak against the color yellow)
Human Torch ( Marvel, originally had a weakness to asbestos)
Saiyans ( DBZ universe, low level Saiyans lose their power if someone grabs their tail)
Wolverine ( Marvel, is unable to use his enhanced regeneration if struck by the Muramasa Blade)
Captain Planet ( Captain Planet and the Planeteers, loses his powers when near pollution and radiation)
Lord Voldemort ( Harry Potter, is hurt whenever he was in contact with Harry's love for his family and friends).
Sandworms ( Dune) can be killed by water in large quantities, it hurts them on contact.
Heroes ( Heroes, lose their powers during a solar eclipse)
Aku ( Samurai Jack, is hurt by either Jack's sword or divine artifacts)
Jojo Achimu ( Ninjutsu series) When in contact of Pluto
King Cobra ( Ninjutsu series) When in contact of lunar eclipse
Homunculi ( Fullmetal Alchemist, become weak when they come into contact with a place or object from their former lives)
Echo ( Seikoku no Dragonar, become weak when she got bitten on her horn buds)
Tim's "Scamlar" can be vaporized by anything salty, such as salt water taffy or salt water.
Wrath's weakness to his "Ultimate Eye", is that when there is a physical obstacle blocking its path, it is unable to provide Wrath with the predictions it normally would.
Roy becomes useless when he's wet.
Raven loses control over her powers when under extreme anger or lose control of any of her emotions.
Anyone who has eaten a Devil Fruit will lose their ability to swim in seawater and becomes weak when coming into contact with Kairoseki.
Alucard may be immune to all vampire weakness, the most holy of Christian artifacts, such as Helena's Nail, is the only thing that can kill him.
Zs'Skayr can be destroyed by ultra-violent rays, such as sunlight, like a vampire.
The Byakugan's main blind spot is the back of the neck above the first thoracic vertebra.