While Batman and Nightwing save the mayor from the Quakemaster's henchmen, Robin confronts the Quakemaster himself—and reveals the master criminal's identity in the fateful battle.

(continued from Arkham Asylum: Tales of Madness)

Robin rescued "Hardback" Bock. Together, they took down Quakemaster - Arnold Wesker's newest puppet. Nightwing saved Gordon and Mayor Grange while Batman continued helping survivors.