Batman: Son of the Demon

Plot

Son of the Demon was one of DC Comics original Elseworld style stories. Batman must team-up with his arch nemesis Ra's Al Ghul to stop a madman from destroying the world. A romance between the Dark Knight and Ra's daughter, Talia, ignites and she conceives a son. This child would later grow up to appear in the critically acclaimed Kingdome Come series by Mark Waid and Alex Ross