Jason Blood forces Merlin to tell him the truth about his relationship with the Demon and learns how his unwilling merger with Etrigan a thousand years ago transformed him into one of the most cunning and malevolent warlocks in history - with a record of atrocities spanning a millennium.

Notes:

• Batman, Lobo and several others cameo headshot appearances.
• "DC Universe 20" one page Zero Hour advertisement featuring the front page of the Daily Planet with the headline "Zero Hour for Earth?"
• "DC Universe 21" a one page memorial dedicated to Neal Pozner. Artwork of three headshots of Neal by Phil Jimenez.