Along with his sister Jade, Obsidian joined Batman's team in opposition to Superman's Justice League.

They infiltrate Lex Luthor's Mankind Liberation Front and once they discover that Luthor is brainwashing Captain Marvel, they attack and incarcerate the MLF members.

Obsidian participated in the Gulag battle and was killed from the U.N. nuclear bombing.


  • According to character supplement in Kingdom Come / Revelations Obsidian's appearance is based on the pulp hero, The Shadow.



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