Are you ready to rumble? After learning of the deadly League of Lazarus tournament, Damian Wayne has a new mission: to win the tournament and prove he is the greatest fighter in the DCU—but first he must find the secret island where it takes place! Presenting a brand-new solo Robin series for the son of Batman that forces him to find his own path away from both sides of his family! Who is the mysterious Flatline? Why does Mother Soul take such a keen interest in the son of Batman? Did Robin just literally get his heart ripped out of his chest in the first 30 pages? This volume collects Robin #1-6 and a special prelude story from Batman #106 and Detective Comics #1034.