<P> Having grown up in a laboratory , Damian Wayne as a pre-adolescent is left by his mother in the care of his father , who had been unaware of his son 's existence . He is violent and self - important and was trained by the League of Assassins , learning to kill at a young age , which troubles the relationship with his father , who refuses to kill . However , the Dark Knight does care for his lost progeny . After the events of Batman R.I.P. and Batman : Battle for the Cowl , he takes the role of Robin at ten years of age , becoming the fifth person to use the Robin persona . He first worked with Dick Grayson before going to work alongside his father , upon the original 's return to the role of Batman . He continued to serve as Robin until 2013 's Batman , Inc. # 8 , in which he is killed by the Heretic , an agent of his mother and his own artificially - aged clone . In 2014 's Batman and Robin vol. 2 , # 37 , Batman resurrects Damian Wayne . </P>
<P> Having grown up in a laboratory , Damian Wayne as a pre-adolescent is left by his mother in the care of his father , who had been unaware of his son 's existence . He is violent and self - important and was trained by the League of Assassins , learning to kill at a young age , which troubles the relationship with his father , who refuses to kill . However , the Dark Knight does care for his lost progeny . After the events of Batman R.I.P. and Batman : Battle for the Cowl , he takes the role of Robin at ten years of age , becoming the fifth person to use the Robin persona . He first worked with Dick Grayson before going to work alongside his father , upon the original 's return to the role of Batman . He continued to serve as Robin until 2013 's Batman , Inc. # 8 , in which he is killed by the Heretic , an agent of his mother and his own artificially - aged clone . In 2014 's Batman and Robin vol. 2 , # 37 , Batman resurrects Damian Wayne . </P>
how old was damian wayne when he became robin
how old was damian wayne when he became robin
ten
ten