Batman: The Cult #1

Batman faces one of his darkest challenges when a charismatic cult leader named Deacon Blackfire rises in Gotham's underground, amassing followers and threatening to consume the city in chaos. This groundbreaking 1988 prestige format miniseries by writer Jim Starlin and artist Bernie Wrightson pushes the Dark Knight to his physical and psychological limits in a grim tale of manipulation, survival, and madness beneath Gotham's streets.