The Caped Crusader is practically the face of DC Comics' grittier superheroes, and Batman's made some dark calls in his 80-plus years of publication history. Both his street-level capers and international exploits with the Justice League featured some consequential decision-making, whether they panned out as smart choices or grave mistakes.
Source:https://www.cbr.com/batman-darkest-choices-made-dc-comics/