1 , ▁in ▁which ▁she ▁ret ires ▁from ▁crime - f ight ing . ▁She ▁subsequently ▁appeared ▁in ▁Alan ▁Moore ' s ▁graph ic ▁novel ▁Bat man : ▁The ▁K illing ▁Jo ke ▁where , ▁in ▁her ▁civil ian ▁identity , ▁she ▁is ▁shot ▁by ▁the ▁J oker ▁and ▁left ▁par ap leg ic . ▁Although ▁she ▁is ▁re im ag ined ▁as ▁the ▁computer ▁expert ▁and ▁information ▁bro ker ▁Oracle ▁by ▁editor ▁Kim ▁Y ale ▁and ▁writer ▁John ▁O str ander ▁the ▁following ▁year , ▁her ▁par al ysis ▁spark ed ▁debate ▁about ▁the ▁port ray al ▁of ▁women ▁in ▁com ics , ▁particularly ▁violence ▁dep icted ▁toward ▁female ▁characters . ▁ ▁In ▁the ▁ 1 9 9 9 ▁story line ▁" No ▁Man ' s ▁Land ", ▁the ▁character ▁Hel ena ▁Bert in elli , ▁known ▁as ▁Hun tr ess , ▁briefly ▁assumes ▁the ▁role ▁of ▁Bat g irl ▁until ▁she ▁is ▁stri pped ▁of ▁the ▁identity ▁by ▁Bat man ▁for ▁viol ating ▁his ▁string ent ▁codes . ▁Within ▁the ▁same ▁story line , ▁the ▁character ▁Cass andra ▁C ain ▁is ▁introduced . ▁C ain ▁is ▁written ▁as ▁the ▁daughter ▁of ▁assass ins ▁David ▁C ain ▁and ▁Lady ▁Sh iva ▁and ▁takes ▁the ▁mant le ▁of ▁Bat g irl ▁under ▁the ▁guidance ▁of ▁Bat man ▁and ▁Oracle . ▁In ▁ 2 0 0 0 , ▁she ▁became ▁the ▁first ▁Bat g irl ▁to ▁star ▁in ▁an ▁e pon ym ous ▁month ly ▁com ic ▁book ▁series , ▁in ▁addition ▁to ▁becoming