Fight your way through Poison Ivy's greenhouse fortress to rescue Robin and Harvey Bullock, and take Ivy back to Arkham.
- "Don't let anything you see inside that Greenhouse stop you. Knowing Poison Ivy, she's kept Robin and Harvey alive as slaves. Free them from Ivy's influence and they can help you take her down... so she can serve her time at Arkham." — Batman
- Rescue Robin and Arrest Poison Ivy
- "You did well. Robin and I will get Poison Ivy back to Arkham, you get back on the streets. Gotham needs you. We'll talk again soon." — Batman