Detective Comics #823 2006

Detective Comics #823 features Poison Ivy under attack by a mysterious plant creature, forcing Batman to intervene. The story reveals the plant, named Harvest, is a vengeful entity formed from the souls of Ivy's past victims, making its first appearance here. Batman and Robin must protect Ivy from this sentient botanical horror, uncovering a dark secret from her past. This issue is notable for introducing Harvest and is part of Paul Dini’s acclaimed run on the title, with art by Joe Benitez and Victor Llamas.