Two-Face (Earth-43)

Harvey Dent of Earth-43 was, as in many realities, the villain Two-Face and an adversary of Batman, who had become a vampire.

Pre-Crimson Mist
Two-Face's early history mirrors his mainstream counterpart in many ways; he served as the District Attorney of Gotham City for some time before a gangster threw a vial of acid in his face and badly disfigured him, ending his career.

Crimson Mist
Some time after Batman was staked and "killed" by Alfred and Commissioner Gordon, Dent was recovering in the hospital from his disfigurement. When the doctor removed his bandages, Dent suddenly became violent, assaulting the doctor and declaring that "if the law doesn't want me, maybe the other side does!" Subsequently, Dent stored out and began a life of crime as Two-Face, running rampant throughout Gotham along with many other villains.

Faced with the massive crime wave, Alfred bought Batman back to life in an act of desperation, only for Batman, now a slave to his vampire instincts, to embark on a violent rampage, draining his enemies of their blood and beheading them to prevent them from returning as vampires themselves.

After the deaths of the Penguin, the Riddler, and the Scarecrow, Two-Face and Killer Croc, along with their gang, met to discuss how to stop Batman. By flipping his coin, Two-Face decided to form an alliance with "their opposites"- Alfred and Commissioner Gordon.

Meeting with Gordon and Alfred on top of the police station, Two-Face proposed that they join forces to stop Batman, but Gordon refused to work with criminals like him. Accepting, Two-Face departed with Croc, stating he would give Gordon time to decide.

Eventually, Batman slaughtered the Black Mask gang and leaves their heads on the fences of Blackgate Penitentiary as a warning to the inmates within before proceeding to kill all the homicidal inmates within Arkham Asylum, leaving Two-Face, Killer Croc, and their gang the only remaining villains in Gotham; with this, Gordon was forced to accept Two-Face's offer.

Tracking Batman down to his new lair in the remnants of the Batcave, the group devised a plan: Alfred would lure Batman into the center of the cave, where Gordon would set off pre-planted explosive charges to destroy the cave roof and expose Batman to the sun. However, Batman was aware of the plan all along, and in the ensuing skirmish, Gordon shot Batman in the back with a crossbow, and Croc threw him into a nearby chasm.

With Batman defeated, Two-Face immediately turned on Gordon and Alfred and attempted to kill them. Gordon was forced to use his remaining crossbow bolts to kill Two-Face's thugs. Two-Face eventually cornered Gordon, gleefully stating that he would betray Croc after killing him. However, he was prevented from doing so by Batman, who had been restored by Alfred giving up his blood.

Undaunted, Two-Face fired two crossbow bolts at Batman, but the vampire easily caught them in his hand, proceeding to drive both arrows into either side of Two-Face's head, citing it as "one for each face."