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"Do you not understand? Krypton’s core is collapsing, we may only have a matter of weeks. I warned you, harvesting the core was suicide. It has accelerated the process of implosion."

The Destruction of Krypton was a cataclysmic event that occurred shortly after the consumption of the planet's core caused it to implode. The event resulted in the near extinction of the Kryptonians.


18,000 years ago, Krypton began exploring the universe and setting up colonial outposts on many planets. However, they ended their expansion and abandoned their outposts as they began artificially engineering newborns with the use of the planet's core. As a result, the planet became unstable and the core started to collapse.[1]

Jor-El, a member of the Thinker Guild and Krypton's foremost scientist, predicted the planet's implosion and tried to convince the Council of Five to evacuate the planet and relocate to one of the planets they once colonized.[2]

The implosion[]

"Lady Lara, shouldn't you find refuge?"
"There is no refuge, Kelor. Jor-El was right. This is the end."
Kelor and Lara Lor-Van[src]

Ignoring Jor-El warnings, the people presumably sought out refuge without leaving the planet as it began to implode. Lara Lor-Van resigns as the explosion kills her.[2]


"I was Krypton's military leader, your father, our foremost scientist. The only thing we agreed on was that Krypton was dying. In return for my efforts to protect our civilization and save our planet, I and my fellow officers were sentenced to the Phantom Zone. The destruction of our world freed us. We were adrift, destined to float amongst the ruins of our planet until we starved."
Dru-Zod to Kal-El[src]

The explosion of the planet caused the Phantom Zone to release the Sword of Rao who were in the process of Somatic Reconditioning.[2]

Alternate versions[]


On every other universe or timeline in the vast Multiverse that has a Superman or Supergirl, this event should had to happen since there is no reason for there to be Kryptonians on Earth except that their planet has imploded.

Flashpoint Timeline[]

"Krypton is gone, Zod."
Supergirl to General Zod[src]

In the 1980's, Krypton endured a civil war against the Sword of Rao, a revolutionary movement lead by General Dru-Zod, although they were defeated and imprsioned in the Phantom Zone. After the civil war ended, Krypton was destroyed and Kryptonians became critically endangered. Meanwhile, Zod and his followers set out to retrieve the Growth Codex from Kal-El, the son of Kryptonian scientist Jor-El. They eventually intercepted Kal-El's pod, but when they discovered he didn't have the Growth Codex, the Sword of Rao murdered him. Meanwhile, another pod containing Kal-El's cousin, Kara Zor-El, landed in Siberia, where she was contained.[3]