>>143324777I thought it was because they mined their planet's core
That's pretty fucking based
>>143324797It was mostly this, but Brainiac hide the truth from everyone instead of confirming the incoming disaster. He would have been Abel to help the Kryptonians come.upnwith a plan to at least save more of their people, instead his greed corrupted his purpose and lead to the near total extinction of his creators.
That's only canon to that show, not canon to comics overall.
>>143324777To be fair, Brainiac was ACTUALLY an AI and not, as it is currently, some retard blackbox for poseurs.
>>143324777I thought Black Zero did it.