With Arkham Asylum in ruins after a deadly attack, it is believed that several of the asylum's few surviving patients escaped and scurried off into the dark nooks and crannies of Gotham City. Now these Arkhamites walk among us, and it's up to the Asylum's one remaining doctor, Jacosta Joy, to round up her former patients. Join writer Dan Watters and artist DaNi on an odyssey through the deepest depths and darkest shadows of Gotham City and find all-new reasons to fear the night. Collects the full series along with never-before-seen extra features!