Bat Bombs

Riddler's Bat Bombs were elaborate projectile weapons designed by the Riddler to aid in his destruction of the Bat Cave and show the deep-rooted egomania within the Riddler as he utilizes a gimmick that Batman has used for generations against the caped crusader, being one of the few times a bat-themed weapon is utilized *against* Batman (who has always been known for creating Bat-based weapons himself),