Deathstroke has been attacking Dick Grayson since Dick was Robin ... knows who Nightwing is, he's never seemed to really care. Blockbuster, on the other hand, used his full criminal resources ...

Back then, Batman and Robin confront Colombina and the Cirque Du Sin cultists. Now, Zanni; our partial narrator and big bad, taunts Nightwing from a dimension potentially between life and death.