In the "Blackest Night" event, Nekron is revealed to be responsible for the creation of the black power rings, which reanimate the dead, and in collaboration with Scar and Black Hand.
In the "Blackest Night" event, Nekron is revelead to be responsible for the creation of black power rings, which reanimate the dead. In "Blackest Night No.4", he reveals himself to have been in collaboration with Scar and Black Hand.