Jason Wayne the biological son of Bruce Wayne/Batman was betrayed by his classmates and was kicked out of U.A just because he was framed so he decided to become a vigilant known as the Arkham Knight and he goes by his adopted father rules so he follows a no kill code just like Bruce but instead of using hand to hand combat he uses two customized pistols that combined can turn into a sniper rifle with rubber bullets and when his adopted father finds out about him he sends to Gotham.