Batman Gotham Knights #65 (2000)

Written by A.J. Lieberman
Art by Al Barrionuevo & Bit
Cover by Cliff Chiang
It's the shattering conclusion of Ivy's quest! With Batman giving her unlikely aid, Ivy is bound and determined to become a normal human again. But Hush isn't going to let her win. With the lives of her park orphans in the balance, will Ivy make the ultimate sacrifice?