In Batman: Arkham City, although their love is not explored, Catwoman constantly flirts with the Dark Knight whenever they meet. Catwoman even gives up her sure escape from Arkham City to go back and help the injured Batman. A hidden radio reel reveals that Catwoman has a slight grudge towards Batman, though, since he knows her secret identity but she doesn't know his. However, by the time of the events of Batman: Arkham Knight, Selina is aware of Batman's identity as Bruce Wayne, addressing him as such after he rescues her from the Riddler.
When Bob Kane first designed Batman's costume, his idea behind Batman was more similar to Hawkman than anything else, in the sense that he saw the character as literally flying like a bat via Bat-like wings. Incidentally, Kane was influenced by some of Leonardo Da Vinci's designs of a theoretical flying machine. Kane's collaborator, Bill Finger, told Kane that he should make the wings a cape instead. In addition, while Kane was thinking a red costume, Finger told him to go darker instead.
Peak Human Reflexes: Batman's reflexes are seemingly superhuman, and is far superior to normal humans. He is able to quickly react to instantaneously to simultaneous attacks from multiple enemies and dodge rapid gunfire at point-blank range, though he can get hit if there are to many to evade. Bruce's reflexes were honed to such a degree that he has caught one of Green Arrow's arrows in mid flight from behind when he tried to shoot him. Bruce himself mentally stated in mid-combat that he perceives bullets in slow motion. He has also caught a grenade and threw it back at the enemy and caught a speeding baseball at the last moment.
Lieutenant Bullock and a squad of cops arrive at the reservoir to take the Joker down, but the Joker uses his cellphone to order his men to attack the cops with rockets. Batman frees himself from the restraints and the Joker, but the Joker infects him with Joker Venom. With Batman momentarily distracted, the Joker kicks him off the bridge and into the Gotham River. Later, Batman awakens at the Batcave, having been rescued by the Batman Family. His allies (Nightwing, Robin, Red Robin, Batgirl, and even Red Hood) want Bruce to explain how did the Joker become aware of their identities. Batman believes he does not know and is only manipulating them because of his kidnapping of Alfred. He then tells a story about a previous encounter he had with the Joker in a blimp above the bay. During their fight, the Joker fell into the bay, but somehow, he placed a playing card in the Batboat. It didn’t have a tracking device or something like that, it was just a card. Despite the apparent breach of security, Batman believes there is no way the Joker could have entered the Batcave. Still, the others are unsure about this event. Batman has a new lead to follow: the Joker used a cellular signal to issue orders. While the cellphone was untraceable, the camera across the street from the store it was bought at identifies a man named Dylan McDyre. Batman crashes into McDyre’s home and interrogates him. McDyre reveals that the Joker had been threatening the families of the Arkham Asylum staff in order to maintain the appearance of normalcy at the asylum while he made changes, for whatever thing he is planning for Batman. More resolute than ever, Batman enters the asylum.
Bat-Suit: Batman's costume is composed of Kevlar and a small percentage of titanium; it is bullet-proof and resistant to most forms of attack (explosions, blunt trauma, falls, etc.) It is also flame-retardant and insulated. The gloves and the boots are reinforced to nullify the impact of punches and kicks. Batman's gauntlets have retractable metallic blades on their sides. The cape is extremely light and can be used to glide long distances. The cowl is composed in small part by lead, which shields Batman's face from identification via x-rays. It has also an infrared viewer and auditory sensors. The cowl is outfitted with security systems (aggravating gas, electric blasts, etc.) like the utility belt. The mask is also a transmitter-receiver.
Kathy Kane (Batwoman): First introduced as a female counterpart for Batman, Batwoman developed into a romantic partner in the Silver Age, where many Imaginary Stories featuring Kathy and Bruce getting married were published. Batwoman's love for Batman was never reciprocated and he only saw her as a good friend. On Earth-Two, Batwoman resigned to live without Batman's love, and in the Earth-One continuity, Kathy Kane was murdered by the League of Assassins. In the New Earth continuity, Kathy Kane was romantically interested in Batman in a couple of stories by Grant Morrison, who liked to use Silver Age content as reference in his works.
The boy suddenly re-appears wearing a domino mask of ash and a shield with a bat on it. He frees Bruce and gives him back his belt. From his utility belt, Bruce takes a medicine capsule and dons the pelt of a giant bat to wear on his body. Using the contents of his utility belt to stave off an attack by Savage and his mob, operating on instinct more than actual knowledge of various fighting techniques, Bruce defeats Vandal Savage returning the necklace to the boy just as an unexpected solar eclipse appears in the sky which Bruce reacts to and flees with the boy. Bruce jumps over a waterfall with his young partner, only to vanish at the bottom, somehow turning up in Puritan Era Gotham City. After he has vanished, Superman, Green Lantern, and Booster Gold appear in the past via Rip Hunter's time sphere, having tracked Bruce to the past. Superman confirms with his super-hearing that Batman isn't in this time. As they depart, Superman states that they have to catch up with Batman before he can return to the present on his own or the world will be in great danger. In the new era he arrives in, Bruce surfaces from the water and finds a woman, when they are suddenly attacked by a large, tentacled creature. Bruce raises his sword to defend himself and the woman.