 When Grayson hangs up his Nightwing mantle to become the newest Batman, he chooses Damian to assume the mantle of Robin by his side.Despite becoming Robin to Grayson's Batman, Damian reveals that he cares little for his older brother and has no respect for him as Batman and that the latter would have to earn it.In an act of defiance, Damian decides to make the Robin mantle independent from that of Batman and decides to stop Dr. Phosphorus from breaking into Project Cadmus, but fails miserably and is saved by Dick.