In this standalone issue Hal Jordan heeds the call of a lone girl searching for freedom and hope on Apokolips. Now he must contend with Darkseid for the salvation of her soul. It’s a battle that has been waiting to happen as two of the most powerful beings in the universe go head-to-head. Who will win in this test of wills? Only “the Source” will tell, and the answer lies behind the Promethean Wall.