Crystalline material originating from the planet Krypton. It emits a unique, poisonous radiation that can weaken and even kill Kryptonians. Kryptonite radiation can be transmitted through any element except lead.
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In superpowered Kryptonians, it causes immediate physical pain and debilitation, neutralizes their powers, and kills them within hours. They fully recover when the Kryptonite is removed. Led blocks its effects.
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Has a drug-like effect, causing severe changes in Kryptonians’ personality. They become rebellious, unpredictable and act purely on erotic and selfish emotions. These effects, last only when it is in direct contact with their body, the effects are negated immediately once direct contact is broken.
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It strips super-powered Kryptonians of all their abilities, rendering them mortal and, thus, makes them susceptible to damage and pain as with any human. Their powers return once the Kryptonite is removed.
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Removes superpowers from Kryptonians permanently. It destroys their cells' ability to process solar energy.
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Kills all plant life, whether Kryptonian or not. It was also deadly to all pathogenic microbes.
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Gives humans Kryptonian powers permanently.
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It induces intense fear and hallucinations in its victims, based on their personal phobias.
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It has the ability to literally separate the personalities of a single being into two separate beings. It can also be used to join the two back into one person.
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Induces intense hallucinations and paranoia in Kryptonians. Nothing from the outside world will stir them out of it until it leaves their system. The Silver K was also capable of negating a Kryptonian's invulnerability and suppressed their Healing factor and gave them a fever.
Transfers powers from Kryptonians to humans. It can be reversed with another dose of the Kryptonite.
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Gives animals Kryptonian powers. The effects would only last for 24 hours, before needing another dose.
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The effect of this Kryptonite is hypnotic, and it can control the minds of anyone that is near it.
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It alters the Kryptonian’s sexual preference. One variety also changes their physical gender.
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