Batman #517 1995

Batman #517 concludes the "Sleeper" storyline, as the Dark Knight faces the hallucinogenic serial killer. Under the influence of Sleeper's gas, Batman endures nightmarish visions, barely escaping a fatal fall. The issue sees Batman unraveling a government conspiracy and confronting the killer sent to silence those involved. While not featuring major first appearances or deaths, it offers a visually distinct portrayal of Batman's psychological struggle against a unique adversary, concluding a memorable arc.