As a Black Lantern, Kal-L's black power ring needs to be charged by feeding on the hearts of living beings within the emotional spectrum. The ring appears to have given Kal-L's body all the abilities he would have had as a Kryptonian under a yellow sun, as well as the ability to recall certain aspects of his former life. Wearing the ring, however, places Kal-L under the influences of Nekron and his disciples Scar and Black Hand.
