Arkham Asylum



The Elizabeth Arkham Asylum for the Criminally Insane, commonly shortened to simply Arkham Asylum, is a psychiatric hospital located on the outskirts of Gotham City in the DC Universe. It is well-known for housing many of Batman's foes following their arrest.

and Ra's al Ghul used to mutate the denizens of Arkham Asylum in Deadly Mutant Arkham Inmates.