FOR USE IN SCHOOLS AND LIBRARIES ONLY. One of Batman's deadliest enemies, Poison Ivy is an eco-terrorist who obsesses over plant life and utilizes natural toxins as a weapon. Able to pull from her surrounding environment to take down her enemies, Poison Ivy has a lethal advantage. One of Batman's Rogues Gallery, she has been battling the Dark Knight for decades of comics. Either solo or with the help of her best friend, Harley Quinn, Poison Ivy will stop at nothing to get what she wants.