Batman (Volume 1 1940) Issues 451-500
Key Issues Include;
#452 - 1st mention of Barbatos (Bat-God)
#457 - 1st appearance of Tim Drakes new Robin costume
#475 - 1st appearance of Renee Montoya
#489 - 2nd appearance of Bane, 1st appearance of Azrael as Batman
#492 - Beginning of the Knightfall storyline
#497 - Bane breaks Batmans back
#500 - Azrael defeats Bane (Die-Cut Cover)