Arkham City | Arkham Wiki | Fandom
Arkham City (also identified as Old Gotham) is a mega-prison that was constructed to house all the inmates from both Arkham Asylum and Blackgate Prison. The concept of Arkham City was established long before the Joker's takeover of Arkham Asylum, conceived by Professor Hugo Strange and his secret master, Ra's al Ghul, and expanded on by Warden and later Mayor Quincy Sharp. The Joker's riot ...