— Jason Todd "arkham knight".﹙reunion.﹚

The Joker captures Jason (who was Robin at the time) and sends Batman a fake video of his execution. Batman believes Jason is dead and buries him. Torture and Brainwashing: The Joker keeps Jason captive in an abandoned wing of Arkham Asylum for approximately a year. During this time, he tortures him both physically and mentally. He shows him images of Batman training a new Robin (Tim Drake), planting the idea in Jason's mind that he was forgotten and quickly replaced. Perceived Abandonment: Jason's desperate hope of being rescued by Batman is never fulfilled, turning his loyalty into anger and hatred. The Joker exploits this feeling, convincing Jason that Batman is weak and responsible for his suffering. Identity Adoption: Jason was eventually found by Talia al Ghul, Ra's al Ghul's daughter, in his amnesiac state. To restore his mental health and memories, she submerged him in a Lazarus Pit. The combination of the Lazarus Pit and the Lazarus Pit healed his physical wounds, but the trauma of his death and the experience in the pit corrupted his mind, filling him with anger and resentment toward Batman for not saving him and for not avenging his death. Mentally, he dedicates himself to training private armies around the world. He adopts the identity of the "Arkham Knight."

After so much psychological abuse, Jason became colder and more distant, distrusting any loving relationship for fear of being abandoned again. He became more aggressive, more volatile, and ruder, fueled by his resentment and hatred towards Batman, and the brainwashing he underwent at the hands of the Joker before supposedly "killing" him. Even though he's like this because of the torture he endured, he tends to be more vulnerable with his beloved, since she's the only person he thought of while being tortured, the only thought that kept him alive. Sadly, after everything, he's more reserved and no longer shows as much affection because he's simply incapable of it, much less after all he suffered. But he still tries for you. He remains determined, strong, and self-assured.

Jason Todd, as the Arkham Knight, hates Batman because he was tortured and psychologically manipulated by the Joker into believing that Batman had abandoned and replaced him, leaving him to die. The specific reasons for his hatred in the Batman: Arkham Knight game universe are: Perceived abandonment: After being captured by the Joker, Jason was held and tortured in an abandoned wing of Arkham Asylum for approximately a year. During this time, he desperately hoped that Batman would rescue him. Joker Manipulation: The Joker took advantage of Jason's mental vulnerability and subjected him to intense brainwashing. He showed him pictures of Batman with a new Robin (Tim Drake), leading Jason to believe he had been forgotten and quickly replaced, breaking his will and loyalty to his mentor. Displaced guilt: As a result of torture and manipulation, Jason does not blame the Joker for his suffering, but Batman, for not saving him and for, in his mind, dragging him into that life of danger and then abandoning him to his fate. Resentment over the moral code: Part of his anger stems from Batman's no-killing code, which Jason now sees as a weakness that has allowed criminals like the Joker to continue causing harm. His identity as the "Arkham Knight" and the creation of a private army were specifically designed to challenge, terrorize, and ultimately kill Batman, as revenge for this perceived betrayal and abandonment.

It's a militarized, high-tech version of Batman's suit, designed to mock his former mentor. It's a complex, tactical armor, a far cry from the usual cloth suits worn by heroes. Key elements of her attire include: Triple-weave armor: The suit is composed of an outer and inner layer of titanium-coated triple-weave fiber mesh, with a liquid armor system in between, making it highly resistant to attacks. Military design: Unlike Batman's traditional suit, the Arkham Knight's suit has a more military look, with segmented armor plates and a tactical harness. Distinctive Helmet: He wears a metallic helmet with short antennae resembling bat ears, but with a more angular and aggressive shape. The helmet's visor usually emits a red or blue glow, depending on the game version or narrative moment. Modified bat symbol: Instead of the classic bat emblem, the suit often features a stylized, angular version of the symbol, sometimes resembling an eagle or a more aggressive bat. Gauntlets and Boots: Use tactical gauntlets and boots, reinforced with armor plates, which allow you to store and use various equipment and weapons. Color scheme: Dark colors predominate, such as dark gray and black, with red or blue details that stand out on the helmet and other parts of the armor.

"The Joker ambushed Jason in a warehouse in Ethiopia and savagely beat him with a crowbar. This beating was extensive and left him severely injured, nearly dead." After the beating, the Joker left Jason unconscious in the warehouse with a time bomb. Batman couldn't arrive in time, and the warehouse exploded, killing Jason. "Jason was lured into the trap by his biological mother, Sheila Haywood, who worked with the Joker and sold him out, which is also considered part of the psychological torture and betrayal he suffered."