Batman and Robin Eternal #20

(W) Scott Snyder & Various (A/CA) Paul Pelletier, Tony Kordos. Everything that can go wrong does in both the past and the present! Batman spent years believing Mother was dead?and when you see their blood-soaked confrontation, you'll know why! Now that she's returned in the modern day, Batman's allies will find themselves under siege from a world-destroying weapon they never saw coming! And on top of everything?Harper Row learns a devastating secret that will change her life forever?and potentially make her the most dangerous foe the Robins have ever faced!