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Black kryptonite

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Lex Luthor accidentally creates black kryptonite.

"It can separate the beast from the man." -Clark Kent, Doomsday

Black kryptonite is a refined mineral made by heating green kryptonite to extremely high temperatures.

Contents

[edit] Effects

Lex splits in two.

The full potential of black kryptonite is unknown, but it seems to have the ability to separate personalities of humans and Kryptonians, including the genetic fusion of Doomsday and Davis Bloome.

It seems black kryptonite affects Kryptonians in any state; yet to affect a human, it must be heated, as Lex Luthor was separated by heated black kryptonite while, in contrast, Martha Kent, Chloe Sullivan, Bart Allen, and Oliver Queen were unaffected at room temperature.

Although black kryptonite can separate the personalities of a person into separate bodies, it is not known what happens to the second personality if its counterpart dies. However, one body can sustain injuries while the counterpart remains unaffected, which suggests that the death of one personality would not cause the death of another.

[edit] Season Four

Martha holds the black kryptonite to Clark.

Black kryptonite was discovered and/or manufactured by Dr. Virgil Swann, who gave it to his associate Dr. Bridgette Crosby who, in turn, gave it to Martha Kent to help her after Clark Kent was reprogrammed into Kal-El by Jor-El in an attempt to force him to fulfill his destiny. Martha used the black kryptonite to separate Kal-El from Clark's soul. In the subsequent confrontation, Clark destroyed Kal-El with the black kryptonite, regaining his body. When placed near Clark's possessed body, black kryptonite shined a very bright electrical blue.

Lex Luthor accidentally created black kryptonite from green kryptonite turning an experiment by heating it to a very high temperature using a laser. This caused an explosion, and the stone separated Lex into two different entities: one was the normal Lex, but the other his evil side Alexander, who imprisoned Lex and, having discovered Clark's secret, attempted to blackmail him into helping him conquer Earth by use of a kryptonite ring and threatening to kill Lana Lang. Fortunately, Clark was able to turn Alexander's green kryptonite ring into black kryptonite using his heat vision. The resultant black kryptonite merged the two versions of Lex back into one body, with Lex apparently retaining no memory of Alexander's actions.

[edit] Season Eight

Davis and Doomsday begin to separate.

Four years later, Clark asked Oliver Queen to steal some black kryptonite from the Luthor Mansion, as he thought Tess Mercer had some from Lex's research. Oliver, as Green Arrow, broke into the mansion, knocking out Tess' assistant and stealing the black kryptonite from Tess' bedroom safe using her duplicated fingerprint. The next day, Clark met Oliver at LuthorCorp, where Clark received the black K from Oliver and explained that he planned on using the black kryptonite to separate Davis Bloome from Doomsday, and sending the latter into the Phantom Zone. Clark then stored the black kryptonite away in his barn. When the Justice League captured both Davis and Chloe Sullivan, and Doomsday was about to emerge, Chloe used the black kryptonite that they took from Clark to separate the man from the beast.


[edit] Appearances

[edit] Notes

  • The effects of black kryptonite seem similar to the effects of synthetic kryptonite in Superman III where it splits Superman into two personalities: a good Clark Kent, and an evil Superman.
  • Black Kryptonite was originally thought to be able to separate the "good" from the "evil" parts of human and Kryptonian personalities. However, Davis had been trying to battle his evil side for so long by murdering people in his human form that when split by black kryptonite both parts of him turned out to be evil, as he killed Jimmy.
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