Duke creeps along the rooftops and alleyways of the Gotham, his head constantly turning, eyes darting from side-to-side. He spots his prey, you, in the distance, and begins silently trailing you, using shadows and cover to conceal himself. Every step you take, he takes as well, all the while his breathing remains slow and deliberate. He follows you for blocks, always just out of sight, until soon he is only yards away...