Ripped from BatmanÕs greatest nightmares, the Grim Knight is his worldÕs most dangerous vigilante, unafraid to use any weapon and go to any lengths to stop those whom he deems worthy of death. Trained with the finest arsenal Wayne money can buy, learn the secret origin of the second-deadliest Batman, hand selected by the Batman Who Laughs to bring his dark plans to fruition. This one-shot has a big 28-page story!

Batman is on a desperate hunt through Gotham City, tracking down the dark version of himself known as the Grim Knight. But the serum BatmanÕs been self-administering has started to transform his mind, making him into something much darker...something amoralÉsomething like the Batman Who LaughsÑand heÕs starting to lose his grip on reality. Toeing the line between vengeance and justice, Batman must struggle to keep his moral code as the Grim Knight gains control of the Batcave, sending all of his vehicles and weapons on a collision course with Gotham City. The Grim Knight, the Batman Who Laughs, even allies like Jim Gordon and his son force Batman to pull the triggerÉand activate the Last Laugh. Will Batman be the savior of Gotham City once more? Or is he the kill shot?

After the shocking ending of issue #1, a ticking clock sets Batman on a trail throughout the different realities of the Multiverse. He starts to see all the iterations of his life, and what could have beenÉbut more importantly, Bruce Wayne begins to deduce that his current life is somehow wrong, and that all the mistakes heÕs made are somehow connected. Meanwhile, the Batman Who Laughs raises the curtain on his second act, pulling out the big guns to break into Arkham AsylumÉenter one of the most punishing Batmen of the Dark Multiverse: the Grim Knight!

It’s the final showdown between Batman and the Batman Who Laughs…but how do you defeat a foe who knows your every instinct and every move? Bruce Wayne will have to outsmart Bruce Wayne in this ultimate test of good versus evil. You can’t miss this finale to the epic miniseries that will tear up the very foundations of Gotham City!

The Batman Who Laughs is enacting a sinister plan across the Multiverse-something both terrifying and oddly familiar. When Bruce Wayne realizes the only way to stop this madman is to kill him, he must consider violating the very rule Batman can’t ever break...the rule that created the Batman Who Laughs! As Bruce begins to realize that all the mistakes he’s made are somehow connected, the Batman Who Laughs unleashes a brand-new evil. Enter one of the most punishing Batmen of the Dark Multiverse: the Grim Knight! Collects THE BATMAN WHO LAUGHS #1-7 and THE BATMAN WHO LAUGHS: THE GRIM KNIGHT #1.

True happiness begins in the heart. Our memories and emotions can play tricks on us, though, and divert oneÕs reality into something completely different. The Batman Who Laughs has based his entire worldview on this very concept, and it is in this moment that he must finally confront the one man who stands in his way, the one man who could complete or halt his planÉthe last Bruce Wayne. It is here, on the home turf of Wayne Manor, that Bruce relives the happiest moment of his lifeÑthe moment he became the Batman Who Laughs. Will Batman be able to outthink the Dark Multiverse version of himself and stop his most sinister end? Or will the original Dark Knight succumb fully and let go of his morality? While good almost always wins, this issue is the start of something moreÉsetting up a larger plan based in the ultimate betrayal of infection, loyalty and true happiness. This is not the endÉitÕs only the beginning.

All the pieces are starting to fit together as the Batman Who Laughs acquires another key element in his plan—one that is linked to the founding fathers of Gotham City and to a legacy started by the Wayne family and protected by none other than Oswald Cobblepot. While the Penguin goes head-to-head with the darkest version of his mortal enemy, Batman is forced to compromise his principles and purge the serum that protects his heart from the deadly Joker Toxin! It’s a no-win situation as writer Scott Snyder and artist Jock return to the sociopath they created in “Black Mirror”: James Gordon Jr.