Arkham Asylum recently has instated a new behavioral system for the inmates. While many like Joker, Two-Face, or Mad Hatter would probably not benefit, it seems that The Riddler, also known as Edward Nygma, has found his way to freedom, on account of his good behavior. As you walk past cell after cell, you finally reach Nygma's.

"My, My, We've certainly taken our time here, haven't we?" His voice was calm, unwavering, smooth, like he had been expecting this outcome.