DC’s Most Powerful Kryptonite Has Barely Appeared Since It Debuted (& For Good Reason)
comicbook.com: Black Kryptonite is the most dangerous variant of Kryptonite, capable of amplifying Superman’s worst impulses and turning him into a destructive force. First introduced in Smallville, it splits Kryptonians into good and evil halves. Its rare appearances in comics,…
