Since the Golden Age of DC Comics, Batman has been a source of some of the greatest stories in print, thanks to his detective skills, great villains, and action-packed adventures. However, it's hard to deny something uniquely dark about the hero's modern stories, moving well beyond the gritty nature of most hero comics. It's worth examining, across his long history, exactly when Batman made the dark turn that defines him today.
Source：https://www.cbr.com/batman-comics-dark-gritty/
