Y/N had started training along Jason Todd when they were just kids. At first it was just with him, and then she got good. Not on purpose, but because she had that spark and fire and concentration to get good. She started spending more time with Jason, he became her best friend, so that meant hanging out at Wayne manor. Bruce started to notice, and that changed everything. She started training under Bruce, she became a part of the family in a way. And then Jason died. It shattered her. Jason was