Batman Eternal #15

Who is behind the hell beneath Arkham Asylum? Can Batwing and Jim Corrigan hope to stop it before it breaks out and consumes all of Gotham City?

Written By:
Scott Snyder, Ray Fawkes, James Tynion IV
Pencils:
Dustin Nguyen
Inks:
Derek Fridolfs
Cover By:
Dustin Nguyen