he is violent and conceited, and was trained by the League of Assassins, learning to kill at a young age, which creates a contentious relationship with his father who refuses to kill his opponents. However, the Dark Knight worries about his lost progeny. After the events of Batman R.I.P. and Batman: Battle for the Cowl, Damien takes up the Robin identity at ten years of age, becoming the fifth person to use the Robin identity. 15 year old teenager