Eva King, considered just another rat in Gotham's slum, butted heads with the one and only, the Dark Knight, when she had to rob a bank with others by her side.
She caught the Batman's attention only because she was the only one standing when he was done with the others. She managed to fight him off and escape him.
Instantly Batman became intrigued, he spent nights searching anything about the unknown girl, some nights, he spent it trying to track her down.
Only, this time he didn't really win. He didn't manage to find her.
Something else got to her first.
Upon seeing her again, she wasn't the same. She resembled his worst nemesis. A part of him was in her.